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Chemistry 101 Q&A Archive of May 5, 2023

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May 5 of 2023

Determine the phases and quantities of 80% Ni-20% Cu alloy at 1400°C.
II. (a) The resultant wave scattered by all the atoms of the unit cell is called the structure factor (F). Write down the equation of the structure factor (F) in terms of the scattering factor (f) and hkl. (2 Points) (b) Derive the structure factor (F) in terms of the scattering factor (f) by…
The table below shows p* of liquid water listed in the steam table. Temperature (°C) 55 60 75 100 150 Saturated vapor pressure, p* (bar) 0.158 0.199 0.386 1.013 4.762 Compare p* values you obtained in Q2 with values in the table. Can you make a comment if they are not equal?
a) Show/draw the Miller-indexed direction of tungsten with BCC [111] and the Miller-index direction of aluminum with a FCC [111] on the right-hand coordinate system. b) Since the atomic radius of tungsten is 1.37 Ã… and the atomic radius of aluminum is 1.43 Ã…, calculate the lattice…
If Lake Ontario has a volume of 980 km^3 and a residence time of 6 years, what is the flow rate of water out of the lake in km^3/yr? (Give your answer rounded to the nearest number of km^3/yr.) If Lake Titicaca has a residence time of 1343 years and an average annual flow rate of 4 km^3/year,…
Tensor, with no definite symmetry. Show that the equalities for tensor invariants hold: TWSu(THN + Tn)SHm. Show that the symmetry and thus antisymmetry of a tensor is preserved under Lorentz transformation.
1100 Sıcaklık, please classification? Cu. 1000 1050 1200 / 1250 1 1300 1400 1450 -.--..-.. SM %Ni Açırlıkça 100 CEVAPLAR 15) Explain the homogeneous and heterogeneous nucleation by drawing a figure (depending on the critical radius and Gibbs free.
Natural hydrogen consists of 0.015% deuterium (D), the remainder being protium (H). Estimate the mole fractions of H2O, HDO, and D2O in natural water at equilibrium.
Identify all the chiral centers in each molecule and determine the absolute configuration as R or S: H3C CH3 CH3 H3C H2N CH2 CH3 OH CH3 H
Water with a chloride concentration of 50 mg/L is discharged into a river at a flowrate of 100 m³/h. The flowrate of the river is 6,000 m³/h and the concentration is 2 mg/L before the discharge. i) What is the total flowrate? Qtotal = m³/h ii) What is the concentration at the end of the…
(40 Total) Other Nuclear Systems A common approach to generating electricity for space voyagers is through heat generation from 235PuO2. These devices are typically called Radioisotope Thermoelectric Generators (RTGs). Answer the following questions. (1) Explain what is the Seebeck effect, and…
Transport Phenomena Calculate the angle of collision. Decompose the initial velocity vectors into the normal direction along the line of collision and the tangential direction parallel to the plane of collision. Write out the momentum balance equation for the velocities in the normal…
Text: I need an answer ONLY in SIMULINK (attach a screenshot of the SIMULINK model with a plot with steps) Question 9: A sensor is used for temperature measurement in a cheesecake factory to maintain a uniform crystallization temperature. The system can be described as follows: …
Question 7: Following is a Simulink model of an instrumentation used for pneumatic control of a process. The transfer function of the system is given below: G(s) = s^3 + 1 A certain variable is to be controlled using P, PI, and PID controllers. Use the following values of P, PI, and PID…
1. (30 Total Neutron Collision Kinetics in Fission Nuclear Reactors Explain what are fast/hard neutron spectrum and thermal/soft neutron spectrum. (5 points) 2. Fission neutrons are born with an average energy of 2 MeV. Given the following materials as moderators, what is the maximum and…
Question 4: Given: The current volume = 26.7 ft^3 of water F_out = 5 ft^3/min F_in = 3 ft^3/min Will the tank overflow? Show the plot of the height as a function of time starting at t=0, the time of the dump. The output flow is F_out. What kind of input was introduced to the system? (Hint:…
Question 3: Consider the following set of differential equations that describe the change in concentration of three species in a tank: dCa/dt = k1 * Ca - ip dCb/dt = k2 * Cb + Ca * ip dCc/dt = k2 * Cc - Cb * ip Where k1 = 1.65 hr^-1 and k2 = 2.5 hr^-1. At time t = 0, Ca = 6.8 mol and Cb = Cc…
Question 2: A sensor is used for temperature measurement in a cheesecake factory to maintain a uniform crystallization temperature. The system can be described as follows: dT/dt = -0.38T + ip Find out the output Temperature profile (i.e. Temperature of the nuclear reactor) for 3 time periods…
Question 1: A thermocouple is used for online monitoring of a nuclear reactor. The system can be described as follows: 12 dT/dt = 0.115 + tan^3(t+1) * 5 Find out the output Temperature profile (i.e. Temperature of the nuclear reactor for 0 < t < 17 minutes when the initial condition is T(0) =…
A small-scale egg processing plant makes pasteurized liquid egg at a rate of 500 L/h. In the process, liquid egg is heated to 60°C and passed through a holder having a length of 32m and a diameter of 3.81cm. In order to ensure pasteurization, liquid egg should be held at this temperature for…
Question 12 How does the sample prep differ for SEM compared to TEM?
Compare the following processes: autoclave, resin transfer molding (RTM), and sheet molding compound (SMC). Which technique produces polymers with the highest mechanical properties? Which technique has the highest productivity (samples generated per hour)?
A Newtonian liquid at 20°C (p = 900 kg/m³ = 800 cP) flows through a straight pipe having a diameter of 4 cm and length of 20 m (laminar flow). Pressures at the inlet and outlet of the pipe are measured to be 750 and 100 kPa, respectively. If the pipe is inclined 20° to the horizontal plane…
Derive the expression for offset in a Proportional Integral (PI) controller for regulator mode of operation (Refer Fig. 1). Consider first-order transfer functions for Process (Gp) and Disturbance (Gd). Figure 1: Closed-loop block diagram Let Gc = 3, Gp = 2/(2s+15s+1). A step change of…
What are the degradation products of polycarbonate during pyrolysis? What are the degradation products of PHA (polyhydroxyalkanoates) in the environment? Which material is more suitable for food packaging and why?
What volume fraction of Kevlar is required for an elastic modulus of 40 GPa in an epoxy matrix in the transverse direction? Assume that the elastic modulus of the epoxy is 3.4 GPa, whereas that of Kevlar is 100 GPa.
What is the ultimate longitudinal strength of a polyurethane/carbon fiber composite with a 25% fiber loading? The modulus of PUR is 30 MPa with a strain-to-break of 500%. The modulus of the carbon fiber is 800 GPa and the ultimate strength is 3.5 GPa. In this case, the matrix is very rubbery…
Question 9 2 pts What is the difference between DSC and TGA? What kind of information do these techniques provide?
Which of the following polymer is more crosslinked? Explain your rationale E A B Temperature
The following effluent mixture of hydrocarbons is obtained as one stream in a petroleum refinery on a mole basis: 5% CH4, 10% C2H6, and 40% C3H8. Using the method of K-values, the calculated bubble point of the mixture at 6.0 bar is 30°C. The calculated dew point of the mixture at 6.0 bar is…
An enzyme is used to produce a compound used in the manufacture of sunscreen lotion. The Vmax for the enzyme is 2.5 mmol m^-3 s^-1, and K is 8.9 mM. The initial concentration of the substrate is 12 mM. Plot the time required for the batch reaction as a function of substrate conversion.
Why is the efficiency (Eo) of isobutane-n-butane at pressure 2070 equal to 110? Prediction of plate efficiency Whenever possible, the plate efficiencies used in design should be based on experimental values for similar systems. Some typical values of plate efficiency for a range of systems…
3. Mass transfer schemes. Based on the mass transfer of a gas (A) to a porous catalyst, obtain the CA concentration profile, following the indicated procedure. a) Perform a molar balance in zone 8. b) State and write down the hypotheses to simplify the problem. c) Simplify the…
Thermodynamics QUESTION1 Calculate the dryness fraction, specific volume and specific internal energy of steam at 1 800 kPa and specific enthalpy 2 230 kJ/kg.
Please explain obtaining steam table values! 2.7 Steam undergoes a state change from 450°C and 3.5 MPa to 150°C and 0.3 MPa. Determine ΔH and ΔU using the following: (a) Steam table data. (b) Ideal gas assumptions. (Be sure to use the ideal gas heat capacity for water.)
Steam enters a turbine under the following conditions: inlet enthalpy of 2,950 kJ/kg, exit enthalpy of 2,320 kJ/kg, inlet velocity of 115 m/s, exit velocity of 163 m/s, heat loss to surroundings of 97 kJ/s, mass of steam of 7.3 kg/s. Determine the power the turbine will produce. Calculate the…
Please show the steps and interpolation, thank you!! Steam at 550 kPa and 200°C is throttled through a valve at a flow rate of 15 kg/min to a pressure of 200 kPa. What is the temperature of the steam in the outlet state, and what is
Sugar is to be extracted from wet sliced sugar beet in a multiple contact counter current extractor by using as solvent 6 kg water/kg of water-free beet. The wet beets are to be treated at the rate of 30 kg/second and have the following composition in mass fraction: water=0.4, sugar=0.15,…
A packed tower with a diameter of 100 mm contains spheres of 4 mm diameter made of a slightly soluble material B. Pure water enters the top of the tower at 300 K with a flow rate of 4 liters per minute. The total surface area of the spheres in contact with water is 0.02 m². The shrinkage of…
Water flow passes under the sluice gate. Suppose that y1 = 6 m and y2 = 1.4 m. (Figure 1) Determine the critical depth of the flow downstream from the gate. Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 y = 6 m y2 = 1.4 m
Following reactions occur in a Semi-Batch reactor. The conditions are given on the flow chart. The reaction is a second-order reaction. NaCHO + CH OHCH CI -> (CH OH) + NaCI + CO2 A + BC + D + CO2 Find the concentration and volume changes with respect to time. And what are the final values of…
The following reaction is to be carried out isothermally in a membrane reactor with no pressure drop. The membrane is permeable to product C, but impermeable to all other species. CH4 + 3H2 -> A + B + 3C Parameters: Fxo = 10 mol S dm^3 KA = 10 kg cat s dm^3 dmo Find each concentration with…
Calculate the value of the Joule-Thomson coefficient for a gas that is described by the following equation of state: RT v-b where b is a constant with the value 0.03 m^3 mol^-1. The constant pressure heat capacity of the gas is ce=21 J mol^-1 K^-1.
Use the virtual lab to determine the solubility product Ksp for the following solids. Show work for credit. (2 marks each) What is the solubility of the solids used in question 2 in moles? (1 mark each) For any pair of solids, does the one with the largest Ksp always have the larger solubility?…
Text: Thermodynamics QUESTION 2 1.2 kg of air at 22 bar occupies a 0.091 m3 cylinder. As the air is compressed isothermally and reversibly until the pressure is 39 bar, the temperature rises to 600K. The specific heat at constant volume is 0.718 kJ/kgK, the specific heat at constant pressure…
Homework-4: Problem 1 Previous Problem Problem List Next Problem 20 points Calculate the length of the astroid of +y^3 Preview My Answers Submit Answers You have attempted this problem 0 times. You have 2 attempts remaining.
3. Given a system described by d2y dy +12 + y = 1 dt2 dt (a) Write the transfer function H(s) (b) Put the equation in standard form (c) Solve for t and (d) Give the steady state forced response for 3 sin 4t (e) Solve for the transient and give the complete response for 3 sin 4t (f) Give any…
Extra Credit +10 pts: Rouse derived an exact expression for the stress relaxation modulus Np=1 where the relaxation time of mode p is given by Cb^2. Starting from this expression, show that for the application of an oscillatory strain that varies as t=0e^(iwt), the Boltzmann superposition…
Please help with b and c! Make sure to answer all parts of b. Thanks! Polymethyl acrylate (PMA) is a rubbery polymer in most conditions, with a glass transition temperature (Tg) of 10°C. PMA has a Kuhn length (b) of 15 Ã… and a Kuhn molar mass (Mo) of 495 g/mol. (a) If the entanglement…
1) Explain the main characteristic of each curve in one or two sentences in the following stress-strain curve O /d b &
A heat exchanger has an area of A = 0.9 m2. It passes heat from fluid at Temperature T1= 130 C to a second fluid at T2=30 C.The exchange wall is made of copper sheet having thermal conductivity_ = 367 W/mK with thickness of X = 3mm. How much energy flows from one fluid to another in 2 hours.
Molecular Adsorption on a Surface: Application of the Grand Canonical Partition Function Consider a gas in contact with a solid surface. The molecules can adsorb on M sites, which are considered to be sparsely distributed, so we can forget interactions between the molecules at different sites.…
Water is being pumped into a tank through a disk valve and filter shown below. Pressure at point 1 is maintained at 6.5 psi (gauge) by the pump. The pipe is 4 inches in diameter commercial steel, with a total length of 80 ft, and the elbows are threaded regular 90 degrees each. If the flow rate…
A series of experiments was performed to find the reaction order of reaction A-2P. After performing the experiment under 100°C and 1 atm with 0.153 moles of pure A feed, the following results were recorded: t (min) 2 5 10 20 30 V (dm3) 5 8.5 15 36 100 The experiment was then repeated after…
HOMEWORK-2 For the given stoichiometry of the oxidation reaction of NO, the rate expression is given as follows: 2NO + O2 → 2NO2, r = k(CNO)^2(CO2) k = 1.4x10^(-3) kmol/msec The volumetric flow rate at the inlet to a plug flow reactor is 10 m/sec and the feed composition is given as 9% NO,…
2.1. You are asked to calculate the electric power required (in kWh) to heat all an alluminium wire (positioned) in a vacuum similar to a light bulb filament from 25C to 660C (liguid) to be used in a vapor deposition apparatus. The melting point of Al is 660C. The wire is 2.5 mm in diameter and…
Determine the response of the system [y(t)] defined by the following differential equation, I(d^2y/dt^2) + 2y = u(t-1) - u(t-2), y(0) = 0, dy/dt(0) = 0.
Text: 1,4,7-octatriene.(10pts) C4H6--->C8H12 500 400 300 1/[C4H6] 200 100 y=0.062x+100 R=0.9956 0 0 1000 2000 3000 Time (s) 4000 5000 6000 Given the equation for a second-order reaction is 1/CA - 1/CAO = kt What is the rate constant for the reaction? L/mol-sec What was the initial…
QUESTION 4 The thermal conductivity of ceramic-based materials is given in the graph. a) What determines the thermal conductivity in ceramic materials? Explain with details. (5 points) Temperature (°F) 1200 2000 400 2800 3600 1.0 100 b) By looking at the graph, explain and comment on the…
A fuel gas containing 95 mole% methane and the balance ethane is burned completely with 25% excess air. The stack gas leaves the furnace at 900°C and is cooled to 450°C in a waste-heat boiler. For 100 moles of fuel into the furnace: 1. Calculate the number of moles of oxygen in the product…
QUESTION 3 Kalyon PV company would like to develop a brand-new extrinsic semiconductor. For that purpose, researchers there added 1021 m-3 AI atoms to high purity Si. (Aluminum is Group II element.) a) Is this semiconductor n-type or p-type? Draw the correct band gap before and after doping.…
Please state whether it is an SN1 or SN2 reaction. Please answer the question with an explanation and mechanism. A good answer will definitely receive an upvote. Thank you. CH3, OCH2CH3 OCH3,CH3 (p) CH3,I CH3CH2OH heat
The Joule-Thomson coefficient, r, is expressed by the following equation: r = (2a/RT)(1-b/V)2 - bT Cp|1-(2/VRT)(1- b/)2 where H is enthalpy. The van der Waals equation of state is given by the following expression: (P + a/V^2)(V - b) = RT where the constant, a, accounts for the interaction…
Attached is a plot of pressed density versus punch pressure for 3 ceramic materials. Use the plot for the technical alumina and obtain at least 3 or 4 pressed density/punch pressure data points that span the entire curve in the figure (including the alumina fill density). a. Using these data…
The students first prepared standards with the following concentrations: 0.2, 0.5, 1.0, 1.5, 2, 3, and 5 ppm F-. In order to determine the average amount of F- in mouthwash, 5 separate mouthwash sample solutions (diluted samples) for analysis were prepared by diluting the mouthwash from the…
The drainage channel for a catchment is to be sized for the peak runoff rate resulting from a 20-year rainfall event, and the 20-year IDF curve is given by 170(t+8.7)^0.75 cm/h. The surface of the 2.5 ha catchment is covered with dense shrubbery. The catchment has a runoff coefficient estimated…
A batch of nuclear fuel discharged from a power reactor has a specific burnup of 42 GWd/Ton of UOGWd is I GW times a day, which has the unit of energy. Please calculate how much energy is released from the fuel. If the average energy released per fission is 200 MeV, please calculate the number…
Kindly include the calculations of material balances and energy balances using your own basis. I already know the theory. I need help with calculations. With the aid of a diagram, perform mass balances and energy balances across the leach tank during gold cyanide leaching carried out…
The liquid-phase reaction below takes place at 30°C and 1 bar. A2B The activity coefficients of A and B are modeled using the single parameter Margules equation with an Ao of 2.1. Use the physical property table below to answer the questions that follow. A -18,000 16,250 1.750 1.784E-02 B J…
The reaction rate expressions for the following reactions in terms of the disappearance of the reactants and the appearance of products C6H14(g) -> C6H6(g) + 4H2(g) -[C6H14]/t = -[C6H6]/t = -1/4[H2]/t 0 - [C6H14]/t = [C6H6]/t = 1/4[H2]/t [C6H14]/t = -[C6H6]/t = 1/4[H2]/t [C6H14]/t = [C6H6]/t =…
According to the table below, the diffusivity of Hydrogen in air at STPoc and 1 atm is 2.37 ft2/h. Calculate the diffusivity of Hydrogen in air at 41°C and 1.2 atm. Your answer must be in m2/s. Volumetric diffusivity D ft'/h Nsemm pD, Gas Acetic acid Acetone Ammonia Benzene n-Butyl alcohol…
The density of a liquid is 1350 kg/m^3 at 20°C. a) What is the specific gravity at 20°C/4°C of this material? b) What volume (ft^3) does 125 lbm of this material occupy at 20°C?
Draw the following process flow diagram and fully label the streams in terms of the component individual flow rates per stream: Mixing unit Separating unit Reactor Hint: You may use any single reaction you wish. Specify your reaction and basis. Draw and fully label the…
Explain the main characteristic of each curve in one or two sentences in the following stress-strain curve.
Potential Energies Sod SieV xiiW Given that h6 = 2995.46 kJ/kg (a) (b) (c) (d) (e) Determine the thermal efficiency of the cycle. (f) 5 Turbine 1993803791851 Boiler Condenser 4 2 3 - 1 Open fwh Pump 2 Pump 1
(a) (b) (c) (d) The temperature of the surroundings is 200 K. Data for methane: R = 0.5182 kJ/kgK, Tcr = 191.1 K, Pcr = 4.64 MPa, Cp = 2.254 kJ/kgK.
Absorption process is carried out using a counter-current scrubber where SO2 is absorbed from a gaseous mixture stream into N(CH2CH2OH)-H2O industrial solvent at 300 K and 1 atm. The SO2 initial concentration of 0.049 kmol/kmol is reduced to 1.5% of this value. The solubility of SO2 in the…
15.[20 Marks] (a) What is the power input into the compressor (MW)? (b) What is the isentropic efficicncy of the turbine? (c) Determine Qin (MW (p) Determine the thermal efficiency of the cycle Qin 2 3 Heat exchanger Turbine Compressor Wout Win Heat exchanger Qout
Actuator, Future PID controller, Amplifier valve Chemical heat process Desired temperature set point - Actual temperature: s^2 + 1.7s + 0.3 K 1 s + 0.5 0.1s + 0.1 Temperature sensor For simplicity, assume the transfer function of the temperature sensor = 1. Design a lag-lead controller so that…
An equilateral triangle of side length 'l' is located at the center and at the midpoint of one side, where neutron sources of strengths S [neutrons/second] are placed at each one of the vertices. Carry out the following calculations: a. In a vacuum. b. In a diffusing medium with a diffusion…
The Joule-Thomson coefficient, T, is expressed by the following equation: T = (2a/RT)(1-b/V)^2 - b Cp[1-(2/VRT)(1-b/V)^2] where H is enthalpy. The van der Waals equation of state is given by the following expression: (P + a/V^2)(V - b) = RT where the constant, a, accounts for the interaction…
The scheme below describes the enzymatic inhibition mechanism where the substrate acts as an inhibitor. Dissociation constant E + S K1 ES KM = k-1/k1 K-1 ES + S ESS Ksi = k-2/k2 K-2 K3 ES E + P Using the rapid equilibrium assumption for both ES and ESS formation, show that the modified…
Example 4.5: Choose the best configuration according to the ratio of desired reaction rate with respect to unwanted factors of Engineering and Technology CASE 2: To k2
The mixture containing 42% heptane and 58% ethylbenzene by mole is fed to the distillation column at a flow rate of 1000 kg per hour. While the distillate product contains 97% mole of heptane, the base product contains 99% ethylbenzene. All in the system, a condenser is used and the feed is…
515 points. Besides nuclear power, give three other important applications of nuclear engineering and radiological sciences. Describe each of them in one or two sentences.
a. What's the difference between a thermal reactor and a fast reactor? (5 points) b. What is the primary reason for neutrons to slow down in a reactor? (5 points) d. Name one so-called advanced reactor. Briefly explain how it works. (5 points)
How does a Geiger-Muller counter work? What kind of radiation can it detect? What are the limitations of Geiger-Muller counters? What are their respective units?
What are the three main types of photon interactions with matter? Explain each type in one or two sentences.
a. What are isotopes? Give one example. (5 points) b. What is the Q value of a nuclear reaction? How do you compute the Q value from the binding energy? (10 points) c. What's the difference between fissionable, fissile, and fertile? (15 points)
The steady-state concentration of cells and glucose in the fermenter was measured and recorded in a 500 mL chemostat. Calculate the growth rate if the medium flow rate was varied with a constant inlet concentration of glucose of 100 g/L. Flow rate F: 30 mL/h Cell Conc. X: 6.00 g/L Glucose Conc.…
A strain of mold was grown in a batch culture on glucose, and the following data were obtained. Cell Glucose concentration (g/l) Time (h) concentration (g/l) 0 9 16 23 30 34 36 40 1.25 2.45 5.1 10.5 22 33 37.5 41 100 97 90.4 76.9 48.1 20.6 9.38 0.63 1. Draw the relationship between cell growth…
I am not sure if it is true. When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m^3, the liquid rises 7 mm in the tube and makes a contact angle of 26°. Which of the following is the surface tension of the liquid? (g = 9.81 m/s^2) 1.02 N/m
Which of the following is the dynamic viscosity of the fluid whose change in shear stress versus deformation rate is given in the graph below? (to=0) In(du/dy) -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 0.5 1 -1.5 -2 y=x-3 -2.5 -3 -3.5 -4 -4.5 7183 mPa·s 2.7183 g/cm^3 0.5 gms
A simple U-manometer is mounted in a flow system. The manometer is filled with mercury (relative density 13.6) and above the mercury is a liquid with a relative density of 1.6. Since the manometer indicates 0.2 m, what is the difference between the pressure above the manometer in N/m^2? (pwater…
Im -1.00,0 Re -0.64,0 (2.00,-4.3) 5. Given the following Nyquist plot generated from a gain-neutral system: a. Is the system stable? b. What is the ultimate gain? c. What is the amplitude ratio at the red dot? d. What is the phase angle at the red dot?
Air at a temperature of 25°C flows over a smooth flat plate with a uniform velocity of 10 m/s along the plate. Find at what distance from the entrance of the plate will the boundary layer begin to transition to turbulence? For air at 25°C: p = 1.184 kg/m³ and μ = 1.849x10^-5…
Texts: 50 pts 3 For the below given points (composition and temperature values on the binary phase diagram of NaCl-H2O: 1) 15% NaCl, -25°C 2) 15% NaCl, -10°C 3) 15% NaCl, 10°C a) Determine the stable phases present b) Provide the compositions of each phase c) Calculate the relative…
Gas absorption is used in the field of purification by allowing the transfer of pollutants from the gas phase to the liquid phase, and it helps in meeting the regulatory requirements for the release of gases into the environment. Assume that you are a newly employed Chemical Engineer and your…
Explain industrial pumps and electric generators in two separate paragraph
The Figure shows a schematic diagram of chemical treatment using bentonite. Draw design control configuration on this flowsheet. Equalization Tank Influent Sieve Sodium Bentonite Flash Mixing Settling Tank Sludge Thickening Sludge Cake Filter Press Effluent The Figure shows a schematic diagram…
As soon as possible AB A first-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 10 mol/L. Calculate the time needed to reach 80% conversion when the rate constant is a510sb10. Discuss the results. Write only the numerical answer and unit for a)…
(30.00Points) 2 AB First order irreversible reaction take place in a batch type reactor.Initial concentration of A is 5 mol/L Calculate the time needed to reach 85% conversion when rate constant is a210b5.10 Discuss the results.Write only numerical answer and unit for a) and band 2-3 sentence…
(30,000 Points) 3- AB A second-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 10 mol/L. Calculate the time needed to reach 80% conversion when the rate constant is 510 (mol b10 L/(mol*s). Discuss the results. Write only the numerical answer…
Concentration 5% Change: The soap formation (saponification) reaction is a liquid phase reaction which is given below; limiting reactant. Initial concentration of NaOH is 12 mol/L. For the Glyceryl stearate, initial concentration is 3 mol/L. Write only the 4 results to the answer place such as…
Finite: I have 40 minutes to complete, please hurry. Which of the following gives the probability that a project team contains exactly 3 chemists? A. C(3,3) * C(12,3) / C(15,6) B. C(3,2) * C(12,4) / C(15,6) C. C(3,2) * C(12,4) / C(15,6) D. C(6,2) * C(9,4) / (9^11)
Calculate the time needed to reach 80% conversion when the rate constant is a = 2*10^(-5) L/(mol*s) and b = 5.10 L/mol*s. Discuss the results. Write only the numerical answer and unit for a and b and provide a 2-3 sentence discussion.
The soap formation (saponification)reaction is a liquid phase reaction which is given below; 3NaOH(aq+CHCOO)CH3CH3COONa+CH5(OH)3 Find the places in table shown in question mark when the X (for A)=0.9. Take glyceryl stearate (A) as the limiting reactant.Initial concentration of NAOH is 5…
X 0.0 -1/𝑟𝐴 189 (dm*s/mol) 0.1 192 0.2 200 0.3 222 0.4 250 0.5 303 0.6 400 0.7 556 0.8 800 0.9 1000 A gas mixture consists of 40% A and 60% Inert gas at 10 atm. The gas mixture enters the reactor with a flow rate of 10 dm/s at 200°C. Using the data above, calculate reactor volumes…
Please solve the question. First-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 5 mol/L. Calculate the time needed to reach 85% conversion when the rate constant is a = 5 * 10^(-1) and b = 10^(-1). Discuss the results. Write only the…
3NaOH(aq) + CHCOOCH3 → CHCOONa + CH3OH Find the places in the table shown in the question mark when X (for A) = 0.5. Take glyceryl stearate (A) as the limiting reactant. The initial concentration of NaOH is 12 mol/L. For the glyceryl stearate, the initial concentration is 3 mol/L. Write only…
Q1 (30 pts): Steam is used in a perforated tray tower for the stripping of a solution consisting of component A and component B. The data below provides information on the liquid and vapor streams at the bottom of the column. Conditions at the Bottom of the Column: Liquid: L = 10 kg/s, PL = 96…
Can you please assist with Q3 Design Memo: You are tasked to design a 100000 metric tons per annum production plant of PX. The formation of PX is obtained from the folowing polymerisation reaction and also lead to the formation of wax (by-products). Oxygen is used as an initiator to this…
Heat is generated in an 8 cm diameter spherical radioactive material whose thermal conductivity is 25 W/mK uniformly at a rate of 15 W/cm³. If the surface temperature of the material is measured to be 120°C, the center temperature of the material during steady operation is 160°C.
Question 4: Using the conversion in question 3, finalize the mass balance at the input-output level for the following components: Component Mass Flowrate-In, kg/h Mass Flowrate-Out, kg/h Ethylene Oxygen PX Wax Question 5: Calculate the volume of a PFR reactor (in m^3, no pressure drop,…
Can you please assist me? Question 3: Calculate the Economic Potential (EP) at input-output level using your results in question 2 and prices in Table 2. Plot the EP versus X and decide on the value of the required conversion for your process to be financially sustainable (Justify). What is…
Design Memo: You are tasked with designing a 100,000 metric ton per annum production plant of PX. The formation of PX is obtained from the following polymerization reaction and also leads to the formation of wax (by-products). Oxygen is used as an initiator for this reaction at a concentration…
Heptane-ethylbenzene mixture containing 42% heptane as mole percent is fed to a fractionation column operating continuously at atmospheric pressure with a flow rate of 1200 kg/h, and is separated into a head product containing 97% heptane as mole percent and a base product containing 99%…
A solution containing 10% by weight of NaOH is concentrated in a single-effect evaporator with a flow rate of 5000 kg/hr. Atmospheric pressure at the evaporation site is 100.5 kPa. The supply current enters the system at 355 K. The solution, showing a boiling point elevation (KNY) of 55 K,…
The work done by the gas is 199.5 kJ.
TELEGRAM 96 Geri 54-57 If the slope of the enriching section operating line of a distillation column is 0.75 and the liquid flow rate is 150 kmol/h, which of the following is the vapor flow rate in the enrichment section? Sectiginiz cevabin isaretlendigini gorene kadar bekleyiniz uend 009 50.5…
The cantilever beam shown in the figure is subjected to a uniformly distributed force, a moment, and two concentrated forces each with magnitude P = 4 kN. F is a fixed support. a) Determine the reactive forces at F. b) Draw the shear and moment diagrams. 5 kN/m 60 kNm 8 C D 3 m 2 m
14:03 TELEGRAM 97 Geri 2-3 idmif90mol conaig 50 m%And50iilled by ifl dtl the amount of comment A in the left liquid is 30mo%The distillation diagram about the process given below. Which of the following is the amount of liquid left in the still? xVAI/T ? bugun 14:01
In a single-effect evaporator, 10% NaOH solution is concentrated and 40% NaOH solution is obtained. The feed flow rate is 1000 kg/h. The latent heat of evaporation of steam used as a heating medium is 500 kcal/kg. The enthalpy of the superheated steam leaving the evaporator is 600 kcal/kg. The…
A barometric condenser is connected to a single-effect evaporator. The flow rate of cooling water used in the barometric condenser is 5000 kg/h. The inlet and outlet temperatures of cooling water are 20°C and 50°C, respectively. The enthalpy of the vapor leaving from evaporator is 2000 kJ/kg.…
Prove that for symmetric T: ∀v ∈ V, (T(v))⊥ = (T⊥)(v)
Derive/Evaluate the resulting equations of the following tensor equations. α and β are arbitrary scalar functions, v, a, b, and c are arbitrary vectors, δ is the second-rank unit tensor, and T is an arbitrary second-rank tensor. V(v)=? V·(δ)=? 8/(V·v)=?
Q1b = Ca3(PO4)4 Q2a = 115 Q1C = P Q2B = 2.55 Q1A = 40 Q2C = 17 Q2D = 7 2.35P) Answer the following questions: (a) What is the number in mmol of Q1B in 40 mL of a solution containing Q2A ppm? (Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vardır?) (b) What is the molar concentration of…
Derive/Evaluate the resulting equations of the following tensor equations. x and y are arbitrary scalar functions, v is an arbitrary vector, T is a second-rank tensor, and δ is the Kronecker delta second-rank tensor. V · (T · v) = V · (9V) = V · (v × T)
Derive/Evaluate the resulting equations of the following tensor equations. Below r = xx + yy + zz (x, y, z are unit vectors. v, w, a, b, and c are arbitrary vectors. η is a second-rank symmetric tensor. E is the Levi-Civita third-rank tensor. V.E:T = ? V(ab.c) = ?
Water flows through a pipe with a diameter of 0.2 m at a flow rate of 0.05 m³/s. The pipe branches into two pipes with diameters of 0.05 m and 0.15 m. If the velocity in the 0.05 m pipe is 10 m/s, what is the velocity in the 0.15 m pipe?
Text: 5996-2022B: Midterm Exam Q ChE220 Midterm Exam Questions. a) Which process do you select for Google Ceviri? X + c X C Dosya I C/Users/omer/Downloads/ChE220MidtermExamQuestions.pdf : YouTube Haritalar - ChE220MidtermExamQuestions.pdf 2/2 125%+ Q3. The variables of each stream (i) of the…
The table below, formed from the measurements made in an unsteady-state heat conduction experiment, is given in the appendix. If the thermal conductivity of the bar material used in the experiment is 107 W/m·K and the specific heat is 89.6 cal/kg·°C, what is the density of the material? Use…
Q2.a) Which process do you select for dimethyl ether (DME) production? Sustainability terminology. b) What is the main advantage of producing DME from syngas? Explain by considering environmental impacts.
pls i need an answer in 2 hours The liquid level in the second tank for a noninteracting tank system is controlled by manipulating the inlet flow rate of the first tank. r hi Ri ha R2 All of the resistances are linear and R=0.05,R=0.1 min.m/m the cross-sectional areas of the tanks are constant…
pls i need an answer in 2 hours In ethylene glycol production plant, ethylene oxide is removed from water-glycols mixture in a flash column operating constant temperature of 105C and a constant pressure of 1 atm. At steady state condition, the temperature and flow rate of feed stream are 55C…
The irreversible exothermic reaction takes place in a continuous stirred tank reactor. The heat released by the reaction is removed using cooling water. A proportional controller is used to adjust coolant flow rate so as to keep the reactor temperature at the desired value. The controller has…
The liquid level in the second tank for a noninteracting tank system is controlled by manipulating the inlet flow rate of the first tank. Fi hi Ri h2 R2 All of the resistances are linear and R=0.05, R=0.1 min.m/m3; the cross-sectional areas of the tanks are constant and A=5.A2=3. a. Derive the…
The following reactions are carried out in an isothermal continuous stirred tank reactor. AB BC rkcHkoimwkmolmin B is the desired product and concentration of B is controlled using a PI controller. The feed stream of 1 m/min containing 0.5 kmol/min of A at steady-state operation passes…
Q2 (25/100) You put $20,000 into a bank account that you will earn 8% annually. For the next 20 years, you add $10,000 per year. At the end of year 5, you are planning to withdraw $80,000 from your savings account to buy a new car. Then, as before, you will continue investment by adding yearly…
Q1.a) Explain the importance of Process Safety Studies in the DME production process.
The effluent gas from a refinery of composition is fed into an absorber to reduce the n-C4H10 content of the effluent before recycling. The absorber is operated at 323K and 750 kPa. The entering oil and gas with its composition is shown in the following table. The absorber has 7 theoretical…
2- The insertion of Li+ ion into metal oxides is a relatively slow process. Busra has prepared a new metal oxide structure and wants to investigate its ability to insert Li+. She performed a potential sweep experiment with a sweep rate of 0.5 V/s for three cycles and observed the following I…
The compressibility coefficient of water at 20°C and pressure range of 1-25 atm is 49.10 x 10^-6/atm. (a) Calculate the work flow in the system, in Joules, as a result of the compression of 1 mole of water from 1 atm to 25 atm at 20°C. (b) Calculate the work flow in the system, in Joules, as…
A company is working on a new project. The fixed capital investment of the process is estimated as $5x10^6 (2020). Process stream information and cash flows after start-up are given below. After start-up, the life of the process is 10 years. There is no waste treatment cost. 20°C 1 Reactor…
Estimated as $5x10^6 (2020). Process stream information and cash flows after start-up are given below. After start-up, the life of the process is 10 years. There is no waste treatment cost. 20 Reactor feed - 160°C 1 1 R-101 E-103 20 Overhead product Reactor 260°C 180°C Column 1 120 E-10N…
An agitator is used to mix a liquid with density p and dynamic viscosity μ in a cylindrical tank. The agitator has a diameter D and its rotational speed is N. The power P required to mix the liquids may be written as P = f(N, D, p, μ, g). Use dimensional analysis to derive an expression of…
Q1 (50/100) A company is working on a new project. The fixed capital investment of the process is estimated as $5x105 (2020). Process stream information and cash flows after start up are given below. After start up the life of the process is 10 years. There is no waste treatment cost. 20°C…
For the piston-cylinder assembly, the details of the states are given in the figure above. The R134a state is a vapor.
The following information is given for three different enzymes that catalyze the same enzymatic reaction. Calculate Km and Vmax for each enzyme. Which of these enzymes would you choose? why? S (mM) V1 V2 V3 mol L mg /min 2 8 12 20 30 24 46 62 68 70 6 16 25 28 32 8 20 32 44 46
A double-effect forward feed evaporator is used to concentrate a 10% sugar solution to a 40% sugar solution. The feed stream of 10,000 kg/h enters the evaporator. Saturated steam of 4,500 kg/h is used as the heating medium. What is the steam economy of the process?
In a single-stage leaching process, oil is extracted from meal using pure benzene as a solvent. The mass flow rate of untreated meal, consisting of 25% oil and 75% inert, is 120 kg/h. The flow rate of the leaching solvent is 80 kg/h of benzene. The underflow contains 35% solution and 65% inert…
A distillation column is to be designed for the separation of a binary mixture. The feed concentration is Xf = 0.4 and the feed rate is 400 kmol/h. 100 kmol/h of top product is desired. The enriching operation line equation is given as y = 0.75x + 0.225. Determine i. flow rate of the vapor that…
The boiling point of water at the evaporator pressure is 75°C, and the enthalpy of the steam at this temperature is 629 kcal/kg. The boiling point of the concentrated solution is 105°C. The vapor leaving the evaporator is condensed in a barometric condenser. The temperature of the cooling…
Fixed Slit Intensity 0.8014 3.6 1.8 1.3 1.6 60 d(A) d[A] Int-f h K 1 d[A] Int-f h k )P Int-f h k 3.6840 30 0 1 2 1.3497 3 2 0 8 98920 4 1 8 2.7000 100 1 0 1.3115 10 1 0 10 .97150 <1 323 22 9 2.5190 20 1 1 1.3064 6 1 1 .96060 5 4 2.2920 3 0 0 6 1.2592 2 .95810 0 114 2.2070 20 1.2276 23 1 1 3 0 6…
In a single-stage leaching system, oil is leached with pure hexane from 150 kg of olives containing 25 kg of oil. The oil content in the underflow solution leaving the stage is 10%. What is the amount of overflow (V)?
In an experiment, a perfect gas is placed in a vessel with a massless piston. A massless wire is attached to this piston. When an external pressure of 2 atm is applied to this wire, the gas is compressed from 4.90 liters to 2.45 liters. Subsequently, when the external pressure is increased to…
(atomic mass: C=12 H=1 the percent yield if the actual yield is 1.5g ? theoretical yield for benzilic acid and calculate 1. if we start with 3g of benzyl, find the O=16 Q1) For the following reaction
Explain how the ability of a polymer to crystallize is affected by its molecular weight, linearity, branching, co/monopolymer properties, and side groups.
URGENT If the matrix has an inverse, find its inverse. Please write step by step clearly. Thank you. 6 21 2 A = 1 4 2 6
QUESTION 1 Calculate the dryness fraction, specific volume, and specific internal energy of steam at 1,800 kPa and specific enthalpy 2,230 kJ/kg [12 marks] QUESTION 2 1.2 kg of air at 22 bar occupies 0.091 m3 cylinder. As the air is compressed isothermally and reversibly until the pressure is…
For a reaction carried out as A →B (k1), the reaction rate constant data against temperature are obtained and given below. Calculate the activation energy and frequency factor required for this reaction to occur, using the graphical method. T (C) 35 40 45 50 55 1/min 0,0098 0,0120 0,0250 0,0360…
Classroom test: Batch process engineering (CG5052) Nucleation experiments were performed in a research laboratory using glass vials of volume, V = 20 mL, to study the nucleation kinetics of curcumin. The following data were obtained at 25 degrees Celsius. Table: Probability of nucleation…
Design a rapid mixing tank by using the following information. a. Find the dimensions of the tank, depth, and width. Assume 2 tanks. Comment on the depth/width ratio. The flow rate is (0.3+0.1x4) m^3/s, detention time is 50 sec, and the velocity gradient is 700 1/s. b. Find the motor power…
What are the parameters affecting the efficiency of settling tanks? A settling tank is going to be constructed for particles having settling velocities of (13+a) m/day. The engineers determine the sizes of 50×8×2.5 m for a flow rate of 6400 m3/day. Comment on the efficiency of the settling…
In the discussion about mini-project #11, we found that increasing the mass transfer coefficient by a factor of 100 changed our concentration profile along the pipe from apparently linear to non-linear. State whether we must increase or decrease each one. A variable may appear in several…
Answer question 5: Can a rod of length 130 mm undergo plastic deformation without any damage? The elasticity of the material is 103 GPa. If the coefficient of linear expansion is 17.0, calculate the temperature at the junction. The thermal conductivities of the rods are as follows: Steel…
2. For the following sets of molecules indicate which has the highest (H) and lowest (L) vapor pressure at any given temperature, heat of vaporization, and boiling point. Give a brief explanation a. CH4 , C8H18 , C4H10 b. C2H5OH, CH3OCH3 , CH2(OH)CH2OH c. NCl3 , AsCl3
2. For the following sets of molecules indicate which has the highest (H) and lowest (L) vapor pressure at any given temperature, heat of vaporization, and boiling point. Give a brief explanation a. CH4 , C8H18 , C4H10 b. C2H5OH, CH3OCH3 , CH2(OH)CH2OH c. NCl3 , AsCl3
Chapter 12 Intermolecular Force 1. Complete the following table. Answer yes or no about the existence of kind of these forces. Give a brief explanation Substance London Forces Dipole-Dipole H-Bonding Explanation CH4 CH2Cl2 CCl4 NH3 CH3OH HF O2 CH3NH2
Given the following information for substance X: Specific Heat (c) of solid phase: 2.0 J/g°C Heat of Fusion (Lf): 100 J/g Specific Heat (c) of liquid phase: 5.0 J/g°C Heat of Vaporization (Lv): 1000 J/g Specific Heat (c) of vapor phase: 1.0 J/g°C Calculate the total heat…
If ΔHfus of sodium is 2.60 kJ/mol, what is the Latent Heat of Fusion? Pay attention to significant digits. Express the answer in standard form.
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what is 113043.48 J/ kg converted to j/g?
If ΔHfus of sodium is 2.60 kJ/mol, what is the Latent Heat of Fusion?
convert 1.37 kj/g to j/g
The ΔHvap of NH3 is 23.3 kJ/mol. Assume the molecular mass for NH3 is 17.031 g/mol What is the Enthalpy of Vaporization? (Pay attention to significant digits!)
see attachment please
Convert 602.58 kj to kcal
Jessica has 266.9 g of water that she needs to boil. If the ΔHvap is 40.66 kJ/mol, how much heat energy will she need to boil her water? Assume the molecular mass for water is 18.015 g/mol Enter your answer in standard form or scientific notation with the correct number of significant…
The heat capacity of mercury (Hg) is 0.1395 J/g oC. What is the Molar Heat Capacity? Assume the atomic mass of Hg = 200.59 Enter your answer in standard form or use scientific notation, but use correct number of significant digits
When 28.1 g of a substance is completely melted at its melting point, 826 J are absorbed. What is the heat of fusion, Lf, of this substance? Pay attention to significant digits
A 35.65 g piece of iron absorbs 886.98 J of heat. Its temperature changes from 30.1 oC to 84.1 oC. Calculate the specific heat capacity of iron.
A burning match releases 904.6 J of energy. Convert the energy released by 20 matches to the following energy units (assume there are 4.184 joules per calorie (and pay attention to significant digits in your answer)): Kilojoules: Calories: Food Calories: calories: kcal:
\& \( ? \) https://www.sparxmaths.uk/student/ D Email - Aleena Khan -... M) Maths Genie . Learn G.... B The Soth Form Bolton... W A level biology questi... This is a new version of the question. Make sure you start new workings. Approximate the value of \( 103.1^{\frac{1}{2}}+7.21^{0} \)
1) How many grams of carbon dioxide can be produced by the complete combustion of 140.0 grams of propene; ( mathrm{C}_{3} mathrm{H}_{6} ) ?(Molar mass of propene ( =42.0 mathrm{~g} / mathrm{mol} ) ) If the actual yield turns out to be ( 200.0 mathrm{grams} ) of carbon dioxide, what is the…
No. of resistors in parallel Current strength (A) \[ \begin{array}{|c|c} \hline 2 & 0,40 \\ \hline 3 & 0,55 \\ \hline 4 & 0,80 \end{array} \] 29.6 Plot a graph of 'current strength' versus 'number of resistors in parallel'. 29.7 What can you deduce from the shape of the graph about the…
How do you calculate the inverse pressure for Volume of 16.6 mL with 1.788 atm of Pressure?
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NaOH is a Bronsted-Lowry base because
The latent heat of fusion, Lf, of water (H2O) = 334. J/g To melt a sample of ice starting at 0.00 °C ice required 1.161*10^(5) J. What is the mass of the sample?
Type question here (Keep it short & clear to get the best answer)
Calculate the final temperature of the system: A 50.0 gram sample of water initially at 100 °C and a 100 gram sample initially at 1.28 °C are mixed. The specific heat of water is 4.184 J/gC). Record your answer in scientific notation using 3 significant figures.
A burning match releases 862.3 J of energy. Convert the energy released by 20 matches to kilojoules. Assume there are 4.184 joules per calorie, and pay attention to significant digits in your answer.
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A hot piece of metal is placed in a large bucket of cold water. What happens next?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) what amount of the excess reagent remains after the reaction is complete?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) what amount of the excess reagent remains after the reaction is complete?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) What is the formula for the limiting reagent?
Determine the phases and quantities of 80% Ni-20% Cu alloy at 1400°C.
II. (a) The resultant wave scattered by all the atoms of the unit cell is called the structure factor (F). Write down the equation of the structure factor (F) in terms of the scattering factor (f) and hkl. (2 Points) (b) Derive the structure factor (F) in terms of the scattering factor (f) by…
The table below shows p* of liquid water listed in the steam table. Temperature (°C) 55 60 75 100 150 Saturated vapor pressure, p* (bar) 0.158 0.199 0.386 1.013 4.762 Compare p* values you obtained in Q2 with values in the table. Can you make a comment if they are not equal?
a) Show/draw the Miller-indexed direction of tungsten with BCC [111] and the Miller-index direction of aluminum with a FCC [111] on the right-hand coordinate system. b) Since the atomic radius of tungsten is 1.37 Ã… and the atomic radius of aluminum is 1.43 Ã…, calculate the lattice…
If Lake Ontario has a volume of 980 km^3 and a residence time of 6 years, what is the flow rate of water out of the lake in km^3/yr? (Give your answer rounded to the nearest number of km^3/yr.) If Lake Titicaca has a residence time of 1343 years and an average annual flow rate of 4 km^3/year,…
Tensor, with no definite symmetry. Show that the equalities for tensor invariants hold: TWSu(THN + Tn)SHm. Show that the symmetry and thus antisymmetry of a tensor is preserved under Lorentz transformation.
1100 Sıcaklık, please classification? Cu. 1000 1050 1200 / 1250 1 1300 1400 1450 -.--..-.. SM %Ni Açırlıkça 100 CEVAPLAR 15) Explain the homogeneous and heterogeneous nucleation by drawing a figure (depending on the critical radius and Gibbs free.
Natural hydrogen consists of 0.015% deuterium (D), the remainder being protium (H). Estimate the mole fractions of H2O, HDO, and D2O in natural water at equilibrium.
Identify all the chiral centers in each molecule and determine the absolute configuration as R or S: H3C CH3 CH3 H3C H2N CH2 CH3 OH CH3 H
Water with a chloride concentration of 50 mg/L is discharged into a river at a flowrate of 100 m³/h. The flowrate of the river is 6,000 m³/h and the concentration is 2 mg/L before the discharge. i) What is the total flowrate? Qtotal = m³/h ii) What is the concentration at the end of the…
(40 Total) Other Nuclear Systems A common approach to generating electricity for space voyagers is through heat generation from 235PuO2. These devices are typically called Radioisotope Thermoelectric Generators (RTGs). Answer the following questions. (1) Explain what is the Seebeck effect, and…
Transport Phenomena Calculate the angle of collision. Decompose the initial velocity vectors into the normal direction along the line of collision and the tangential direction parallel to the plane of collision. Write out the momentum balance equation for the velocities in the normal…
Text: I need an answer ONLY in SIMULINK (attach a screenshot of the SIMULINK model with a plot with steps) Question 9: A sensor is used for temperature measurement in a cheesecake factory to maintain a uniform crystallization temperature. The system can be described as follows: …
Question 7: Following is a Simulink model of an instrumentation used for pneumatic control of a process. The transfer function of the system is given below: G(s) = s^3 + 1 A certain variable is to be controlled using P, PI, and PID controllers. Use the following values of P, PI, and PID…
1. (30 Total Neutron Collision Kinetics in Fission Nuclear Reactors Explain what are fast/hard neutron spectrum and thermal/soft neutron spectrum. (5 points) 2. Fission neutrons are born with an average energy of 2 MeV. Given the following materials as moderators, what is the maximum and…
Question 4: Given: The current volume = 26.7 ft^3 of water F_out = 5 ft^3/min F_in = 3 ft^3/min Will the tank overflow? Show the plot of the height as a function of time starting at t=0, the time of the dump. The output flow is F_out. What kind of input was introduced to the system? (Hint:…
Question 3: Consider the following set of differential equations that describe the change in concentration of three species in a tank: dCa/dt = k1 * Ca - ip dCb/dt = k2 * Cb + Ca * ip dCc/dt = k2 * Cc - Cb * ip Where k1 = 1.65 hr^-1 and k2 = 2.5 hr^-1. At time t = 0, Ca = 6.8 mol and Cb = Cc…
Question 2: A sensor is used for temperature measurement in a cheesecake factory to maintain a uniform crystallization temperature. The system can be described as follows: dT/dt = -0.38T + ip Find out the output Temperature profile (i.e. Temperature of the nuclear reactor) for 3 time periods…
Question 1: A thermocouple is used for online monitoring of a nuclear reactor. The system can be described as follows: 12 dT/dt = 0.115 + tan^3(t+1) * 5 Find out the output Temperature profile (i.e. Temperature of the nuclear reactor for 0 < t < 17 minutes when the initial condition is T(0) =…
A small-scale egg processing plant makes pasteurized liquid egg at a rate of 500 L/h. In the process, liquid egg is heated to 60°C and passed through a holder having a length of 32m and a diameter of 3.81cm. In order to ensure pasteurization, liquid egg should be held at this temperature for…
Question 12 How does the sample prep differ for SEM compared to TEM?
Compare the following processes: autoclave, resin transfer molding (RTM), and sheet molding compound (SMC). Which technique produces polymers with the highest mechanical properties? Which technique has the highest productivity (samples generated per hour)?
A Newtonian liquid at 20°C (p = 900 kg/m³ = 800 cP) flows through a straight pipe having a diameter of 4 cm and length of 20 m (laminar flow). Pressures at the inlet and outlet of the pipe are measured to be 750 and 100 kPa, respectively. If the pipe is inclined 20° to the horizontal plane…
Derive the expression for offset in a Proportional Integral (PI) controller for regulator mode of operation (Refer Fig. 1). Consider first-order transfer functions for Process (Gp) and Disturbance (Gd). Figure 1: Closed-loop block diagram Let Gc = 3, Gp = 2/(2s+15s+1). A step change of…
What are the degradation products of polycarbonate during pyrolysis? What are the degradation products of PHA (polyhydroxyalkanoates) in the environment? Which material is more suitable for food packaging and why?
What volume fraction of Kevlar is required for an elastic modulus of 40 GPa in an epoxy matrix in the transverse direction? Assume that the elastic modulus of the epoxy is 3.4 GPa, whereas that of Kevlar is 100 GPa.
What is the ultimate longitudinal strength of a polyurethane/carbon fiber composite with a 25% fiber loading? The modulus of PUR is 30 MPa with a strain-to-break of 500%. The modulus of the carbon fiber is 800 GPa and the ultimate strength is 3.5 GPa. In this case, the matrix is very rubbery…
Question 9 2 pts What is the difference between DSC and TGA? What kind of information do these techniques provide?
Which of the following polymer is more crosslinked? Explain your rationale E A B Temperature
The following effluent mixture of hydrocarbons is obtained as one stream in a petroleum refinery on a mole basis: 5% CH4, 10% C2H6, and 40% C3H8. Using the method of K-values, the calculated bubble point of the mixture at 6.0 bar is 30°C. The calculated dew point of the mixture at 6.0 bar is…
An enzyme is used to produce a compound used in the manufacture of sunscreen lotion. The Vmax for the enzyme is 2.5 mmol m^-3 s^-1, and K is 8.9 mM. The initial concentration of the substrate is 12 mM. Plot the time required for the batch reaction as a function of substrate conversion.
Why is the efficiency (Eo) of isobutane-n-butane at pressure 2070 equal to 110? Prediction of plate efficiency Whenever possible, the plate efficiencies used in design should be based on experimental values for similar systems. Some typical values of plate efficiency for a range of systems…
3. Mass transfer schemes. Based on the mass transfer of a gas (A) to a porous catalyst, obtain the CA concentration profile, following the indicated procedure. a) Perform a molar balance in zone 8. b) State and write down the hypotheses to simplify the problem. c) Simplify the…
Thermodynamics QUESTION1 Calculate the dryness fraction, specific volume and specific internal energy of steam at 1 800 kPa and specific enthalpy 2 230 kJ/kg.
Please explain obtaining steam table values! 2.7 Steam undergoes a state change from 450°C and 3.5 MPa to 150°C and 0.3 MPa. Determine ΔH and ΔU using the following: (a) Steam table data. (b) Ideal gas assumptions. (Be sure to use the ideal gas heat capacity for water.)
Steam enters a turbine under the following conditions: inlet enthalpy of 2,950 kJ/kg, exit enthalpy of 2,320 kJ/kg, inlet velocity of 115 m/s, exit velocity of 163 m/s, heat loss to surroundings of 97 kJ/s, mass of steam of 7.3 kg/s. Determine the power the turbine will produce. Calculate the…
Please show the steps and interpolation, thank you!! Steam at 550 kPa and 200°C is throttled through a valve at a flow rate of 15 kg/min to a pressure of 200 kPa. What is the temperature of the steam in the outlet state, and what is
Sugar is to be extracted from wet sliced sugar beet in a multiple contact counter current extractor by using as solvent 6 kg water/kg of water-free beet. The wet beets are to be treated at the rate of 30 kg/second and have the following composition in mass fraction: water=0.4, sugar=0.15,…
A packed tower with a diameter of 100 mm contains spheres of 4 mm diameter made of a slightly soluble material B. Pure water enters the top of the tower at 300 K with a flow rate of 4 liters per minute. The total surface area of the spheres in contact with water is 0.02 m². The shrinkage of…
Water flow passes under the sluice gate. Suppose that y1 = 6 m and y2 = 1.4 m. (Figure 1) Determine the critical depth of the flow downstream from the gate. Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 y = 6 m y2 = 1.4 m
Following reactions occur in a Semi-Batch reactor. The conditions are given on the flow chart. The reaction is a second-order reaction. NaCHO + CH OHCH CI -> (CH OH) + NaCI + CO2 A + BC + D + CO2 Find the concentration and volume changes with respect to time. And what are the final values of…
The following reaction is to be carried out isothermally in a membrane reactor with no pressure drop. The membrane is permeable to product C, but impermeable to all other species. CH4 + 3H2 -> A + B + 3C Parameters: Fxo = 10 mol S dm^3 KA = 10 kg cat s dm^3 dmo Find each concentration with…
Calculate the value of the Joule-Thomson coefficient for a gas that is described by the following equation of state: RT v-b where b is a constant with the value 0.03 m^3 mol^-1. The constant pressure heat capacity of the gas is ce=21 J mol^-1 K^-1.
Use the virtual lab to determine the solubility product Ksp for the following solids. Show work for credit. (2 marks each) What is the solubility of the solids used in question 2 in moles? (1 mark each) For any pair of solids, does the one with the largest Ksp always have the larger solubility?…
Text: Thermodynamics QUESTION 2 1.2 kg of air at 22 bar occupies a 0.091 m3 cylinder. As the air is compressed isothermally and reversibly until the pressure is 39 bar, the temperature rises to 600K. The specific heat at constant volume is 0.718 kJ/kgK, the specific heat at constant pressure…
Homework-4: Problem 1 Previous Problem Problem List Next Problem 20 points Calculate the length of the astroid of +y^3 Preview My Answers Submit Answers You have attempted this problem 0 times. You have 2 attempts remaining.
3. Given a system described by d2y dy +12 + y = 1 dt2 dt (a) Write the transfer function H(s) (b) Put the equation in standard form (c) Solve for t and (d) Give the steady state forced response for 3 sin 4t (e) Solve for the transient and give the complete response for 3 sin 4t (f) Give any…
Extra Credit +10 pts: Rouse derived an exact expression for the stress relaxation modulus Np=1 where the relaxation time of mode p is given by Cb^2. Starting from this expression, show that for the application of an oscillatory strain that varies as t=0e^(iwt), the Boltzmann superposition…
Please help with b and c! Make sure to answer all parts of b. Thanks! Polymethyl acrylate (PMA) is a rubbery polymer in most conditions, with a glass transition temperature (Tg) of 10°C. PMA has a Kuhn length (b) of 15 Ã… and a Kuhn molar mass (Mo) of 495 g/mol. (a) If the entanglement…
1) Explain the main characteristic of each curve in one or two sentences in the following stress-strain curve O /d b &
A heat exchanger has an area of A = 0.9 m2. It passes heat from fluid at Temperature T1= 130 C to a second fluid at T2=30 C.The exchange wall is made of copper sheet having thermal conductivity_ = 367 W/mK with thickness of X = 3mm. How much energy flows from one fluid to another in 2 hours.
Molecular Adsorption on a Surface: Application of the Grand Canonical Partition Function Consider a gas in contact with a solid surface. The molecules can adsorb on M sites, which are considered to be sparsely distributed, so we can forget interactions between the molecules at different sites.…
Water is being pumped into a tank through a disk valve and filter shown below. Pressure at point 1 is maintained at 6.5 psi (gauge) by the pump. The pipe is 4 inches in diameter commercial steel, with a total length of 80 ft, and the elbows are threaded regular 90 degrees each. If the flow rate…
A series of experiments was performed to find the reaction order of reaction A-2P. After performing the experiment under 100°C and 1 atm with 0.153 moles of pure A feed, the following results were recorded: t (min) 2 5 10 20 30 V (dm3) 5 8.5 15 36 100 The experiment was then repeated after…
HOMEWORK-2 For the given stoichiometry of the oxidation reaction of NO, the rate expression is given as follows: 2NO + O2 → 2NO2, r = k(CNO)^2(CO2) k = 1.4x10^(-3) kmol/msec The volumetric flow rate at the inlet to a plug flow reactor is 10 m/sec and the feed composition is given as 9% NO,…
2.1. You are asked to calculate the electric power required (in kWh) to heat all an alluminium wire (positioned) in a vacuum similar to a light bulb filament from 25C to 660C (liguid) to be used in a vapor deposition apparatus. The melting point of Al is 660C. The wire is 2.5 mm in diameter and…
Determine the response of the system [y(t)] defined by the following differential equation, I(d^2y/dt^2) + 2y = u(t-1) - u(t-2), y(0) = 0, dy/dt(0) = 0.
Text: 1,4,7-octatriene.(10pts) C4H6--->C8H12 500 400 300 1/[C4H6] 200 100 y=0.062x+100 R=0.9956 0 0 1000 2000 3000 Time (s) 4000 5000 6000 Given the equation for a second-order reaction is 1/CA - 1/CAO = kt What is the rate constant for the reaction? L/mol-sec What was the initial…
QUESTION 4 The thermal conductivity of ceramic-based materials is given in the graph. a) What determines the thermal conductivity in ceramic materials? Explain with details. (5 points) Temperature (°F) 1200 2000 400 2800 3600 1.0 100 b) By looking at the graph, explain and comment on the…
A fuel gas containing 95 mole% methane and the balance ethane is burned completely with 25% excess air. The stack gas leaves the furnace at 900°C and is cooled to 450°C in a waste-heat boiler. For 100 moles of fuel into the furnace: 1. Calculate the number of moles of oxygen in the product…
QUESTION 3 Kalyon PV company would like to develop a brand-new extrinsic semiconductor. For that purpose, researchers there added 1021 m-3 AI atoms to high purity Si. (Aluminum is Group II element.) a) Is this semiconductor n-type or p-type? Draw the correct band gap before and after doping.…
Please state whether it is an SN1 or SN2 reaction. Please answer the question with an explanation and mechanism. A good answer will definitely receive an upvote. Thank you. CH3, OCH2CH3 OCH3,CH3 (p) CH3,I CH3CH2OH heat
The Joule-Thomson coefficient, r, is expressed by the following equation: r = (2a/RT)(1-b/V)2 - bT Cp|1-(2/VRT)(1- b/)2 where H is enthalpy. The van der Waals equation of state is given by the following expression: (P + a/V^2)(V - b) = RT where the constant, a, accounts for the interaction…
Attached is a plot of pressed density versus punch pressure for 3 ceramic materials. Use the plot for the technical alumina and obtain at least 3 or 4 pressed density/punch pressure data points that span the entire curve in the figure (including the alumina fill density). a. Using these data…
The students first prepared standards with the following concentrations: 0.2, 0.5, 1.0, 1.5, 2, 3, and 5 ppm F-. In order to determine the average amount of F- in mouthwash, 5 separate mouthwash sample solutions (diluted samples) for analysis were prepared by diluting the mouthwash from the…
The drainage channel for a catchment is to be sized for the peak runoff rate resulting from a 20-year rainfall event, and the 20-year IDF curve is given by 170(t+8.7)^0.75 cm/h. The surface of the 2.5 ha catchment is covered with dense shrubbery. The catchment has a runoff coefficient estimated…
A batch of nuclear fuel discharged from a power reactor has a specific burnup of 42 GWd/Ton of UOGWd is I GW times a day, which has the unit of energy. Please calculate how much energy is released from the fuel. If the average energy released per fission is 200 MeV, please calculate the number…
Kindly include the calculations of material balances and energy balances using your own basis. I already know the theory. I need help with calculations. With the aid of a diagram, perform mass balances and energy balances across the leach tank during gold cyanide leaching carried out…
The liquid-phase reaction below takes place at 30°C and 1 bar. A2B The activity coefficients of A and B are modeled using the single parameter Margules equation with an Ao of 2.1. Use the physical property table below to answer the questions that follow. A -18,000 16,250 1.750 1.784E-02 B J…
The reaction rate expressions for the following reactions in terms of the disappearance of the reactants and the appearance of products C6H14(g) -> C6H6(g) + 4H2(g) -[C6H14]/t = -[C6H6]/t = -1/4[H2]/t 0 - [C6H14]/t = [C6H6]/t = 1/4[H2]/t [C6H14]/t = -[C6H6]/t = 1/4[H2]/t [C6H14]/t = [C6H6]/t =…
According to the table below, the diffusivity of Hydrogen in air at STPoc and 1 atm is 2.37 ft2/h. Calculate the diffusivity of Hydrogen in air at 41°C and 1.2 atm. Your answer must be in m2/s. Volumetric diffusivity D ft'/h Nsemm pD, Gas Acetic acid Acetone Ammonia Benzene n-Butyl alcohol…
The density of a liquid is 1350 kg/m^3 at 20°C. a) What is the specific gravity at 20°C/4°C of this material? b) What volume (ft^3) does 125 lbm of this material occupy at 20°C?
Draw the following process flow diagram and fully label the streams in terms of the component individual flow rates per stream: Mixing unit Separating unit Reactor Hint: You may use any single reaction you wish. Specify your reaction and basis. Draw and fully label the…
Explain the main characteristic of each curve in one or two sentences in the following stress-strain curve.
Potential Energies Sod SieV xiiW Given that h6 = 2995.46 kJ/kg (a) (b) (c) (d) (e) Determine the thermal efficiency of the cycle. (f) 5 Turbine 1993803791851 Boiler Condenser 4 2 3 - 1 Open fwh Pump 2 Pump 1
(a) (b) (c) (d) The temperature of the surroundings is 200 K. Data for methane: R = 0.5182 kJ/kgK, Tcr = 191.1 K, Pcr = 4.64 MPa, Cp = 2.254 kJ/kgK.
Absorption process is carried out using a counter-current scrubber where SO2 is absorbed from a gaseous mixture stream into N(CH2CH2OH)-H2O industrial solvent at 300 K and 1 atm. The SO2 initial concentration of 0.049 kmol/kmol is reduced to 1.5% of this value. The solubility of SO2 in the…
15.[20 Marks] (a) What is the power input into the compressor (MW)? (b) What is the isentropic efficicncy of the turbine? (c) Determine Qin (MW (p) Determine the thermal efficiency of the cycle Qin 2 3 Heat exchanger Turbine Compressor Wout Win Heat exchanger Qout
Actuator, Future PID controller, Amplifier valve Chemical heat process Desired temperature set point - Actual temperature: s^2 + 1.7s + 0.3 K 1 s + 0.5 0.1s + 0.1 Temperature sensor For simplicity, assume the transfer function of the temperature sensor = 1. Design a lag-lead controller so that…
An equilateral triangle of side length 'l' is located at the center and at the midpoint of one side, where neutron sources of strengths S [neutrons/second] are placed at each one of the vertices. Carry out the following calculations: a. In a vacuum. b. In a diffusing medium with a diffusion…
The Joule-Thomson coefficient, T, is expressed by the following equation: T = (2a/RT)(1-b/V)^2 - b Cp[1-(2/VRT)(1-b/V)^2] where H is enthalpy. The van der Waals equation of state is given by the following expression: (P + a/V^2)(V - b) = RT where the constant, a, accounts for the interaction…
The scheme below describes the enzymatic inhibition mechanism where the substrate acts as an inhibitor. Dissociation constant E + S K1 ES KM = k-1/k1 K-1 ES + S ESS Ksi = k-2/k2 K-2 K3 ES E + P Using the rapid equilibrium assumption for both ES and ESS formation, show that the modified…
Example 4.5: Choose the best configuration according to the ratio of desired reaction rate with respect to unwanted factors of Engineering and Technology CASE 2: To k2
515 points. Besides nuclear power, give three other important applications of nuclear engineering and radiological sciences. Describe each of them in one or two sentences.
a. What's the difference between a thermal reactor and a fast reactor? (5 points) b. What is the primary reason for neutrons to slow down in a reactor? (5 points) d. Name one so-called advanced reactor. Briefly explain how it works. (5 points)
How does a Geiger-Muller counter work? What kind of radiation can it detect? What are the limitations of Geiger-Muller counters? What are their respective units?
What are the three main types of photon interactions with matter? Explain each type in one or two sentences.
a. What are isotopes? Give one example. (5 points) b. What is the Q value of a nuclear reaction? How do you compute the Q value from the binding energy? (10 points) c. What's the difference between fissionable, fissile, and fertile? (15 points)
The steady-state concentration of cells and glucose in the fermenter was measured and recorded in a 500 mL chemostat. Calculate the growth rate if the medium flow rate was varied with a constant inlet concentration of glucose of 100 g/L. Flow rate F: 30 mL/h Cell Conc. X: 6.00 g/L Glucose Conc.…
I am not sure if it is true. When a 0.8 mm diameter tube is immersed in a liquid with a density of 820 kg/m^3, the liquid rises 7 mm in the tube and makes a contact angle of 26°. Which of the following is the surface tension of the liquid? (g = 9.81 m/s^2) 1.02 N/m
Which of the following is the dynamic viscosity of the fluid whose change in shear stress versus deformation rate is given in the graph below? (to=0) In(du/dy) -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 0.5 1 -1.5 -2 y=x-3 -2.5 -3 -3.5 -4 -4.5 7183 mPa·s 2.7183 g/cm^3 0.5 gms
A simple U-manometer is mounted in a flow system. The manometer is filled with mercury (relative density 13.6) and above the mercury is a liquid with a relative density of 1.6. Since the manometer indicates 0.2 m, what is the difference between the pressure above the manometer in N/m^2? (pwater…
Im -1.00,0 Re -0.64,0 (2.00,-4.3) 5. Given the following Nyquist plot generated from a gain-neutral system: a. Is the system stable? b. What is the ultimate gain? c. What is the amplitude ratio at the red dot? d. What is the phase angle at the red dot?
Air at a temperature of 25°C flows over a smooth flat plate with a uniform velocity of 10 m/s along the plate. Find at what distance from the entrance of the plate will the boundary layer begin to transition to turbulence? For air at 25°C: p = 1.184 kg/m³ and μ = 1.849x10^-5…
Texts: 50 pts 3 For the below given points (composition and temperature values on the binary phase diagram of NaCl-H2O: 1) 15% NaCl, -25°C 2) 15% NaCl, -10°C 3) 15% NaCl, 10°C a) Determine the stable phases present b) Provide the compositions of each phase c) Calculate the relative…
Explain industrial pumps and electric generators in two separate paragraph
The Figure shows a schematic diagram of chemical treatment using bentonite. Draw design control configuration on this flowsheet. Equalization Tank Influent Sieve Sodium Bentonite Flash Mixing Settling Tank Sludge Thickening Sludge Cake Filter Press Effluent The Figure shows a schematic diagram…
As soon as possible AB A first-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 10 mol/L. Calculate the time needed to reach 80% conversion when the rate constant is a510sb10. Discuss the results. Write only the numerical answer and unit for a)…
(30.00Points) 2 AB First order irreversible reaction take place in a batch type reactor.Initial concentration of A is 5 mol/L Calculate the time needed to reach 85% conversion when rate constant is a210b5.10 Discuss the results.Write only numerical answer and unit for a) and band 2-3 sentence…
(30,000 Points) 3- AB A second-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 10 mol/L. Calculate the time needed to reach 80% conversion when the rate constant is 510 (mol b10 L/(mol*s). Discuss the results. Write only the numerical answer…
Concentration 5% Change: The soap formation (saponification) reaction is a liquid phase reaction which is given below; limiting reactant. Initial concentration of NaOH is 12 mol/L. For the Glyceryl stearate, initial concentration is 3 mol/L. Write only the 4 results to the answer place such as…
Finite: I have 40 minutes to complete, please hurry. Which of the following gives the probability that a project team contains exactly 3 chemists? A. C(3,3) * C(12,3) / C(15,6) B. C(3,2) * C(12,4) / C(15,6) C. C(3,2) * C(12,4) / C(15,6) D. C(6,2) * C(9,4) / (9^11)
Calculate the time needed to reach 80% conversion when the rate constant is a = 2*10^(-5) L/(mol*s) and b = 5.10 L/mol*s. Discuss the results. Write only the numerical answer and unit for a and b and provide a 2-3 sentence discussion.
The soap formation (saponification)reaction is a liquid phase reaction which is given below; 3NaOH(aq+CHCOO)CH3CH3COONa+CH5(OH)3 Find the places in table shown in question mark when the X (for A)=0.9. Take glyceryl stearate (A) as the limiting reactant.Initial concentration of NAOH is 5…
X 0.0 -1/𝑟𝐴 189 (dm*s/mol) 0.1 192 0.2 200 0.3 222 0.4 250 0.5 303 0.6 400 0.7 556 0.8 800 0.9 1000 A gas mixture consists of 40% A and 60% Inert gas at 10 atm. The gas mixture enters the reactor with a flow rate of 10 dm/s at 200°C. Using the data above, calculate reactor volumes…
Please solve the question. First-order irreversible reaction takes place in a batch-type reactor. The initial concentration of A is 5 mol/L. Calculate the time needed to reach 85% conversion when the rate constant is a = 5 * 10^(-1) and b = 10^(-1). Discuss the results. Write only the…
3NaOH(aq) + CHCOOCH3 → CHCOONa + CH3OH Find the places in the table shown in the question mark when X (for A) = 0.5. Take glyceryl stearate (A) as the limiting reactant. The initial concentration of NaOH is 12 mol/L. For the glyceryl stearate, the initial concentration is 3 mol/L. Write only…
Can you please assist with Q3 Design Memo: You are tasked to design a 100000 metric tons per annum production plant of PX. The formation of PX is obtained from the folowing polymerisation reaction and also lead to the formation of wax (by-products). Oxygen is used as an initiator to this…
Heat is generated in an 8 cm diameter spherical radioactive material whose thermal conductivity is 25 W/mK uniformly at a rate of 15 W/cm³. If the surface temperature of the material is measured to be 120°C, the center temperature of the material during steady operation is 160°C.
Question 4: Using the conversion in question 3, finalize the mass balance at the input-output level for the following components: Component Mass Flowrate-In, kg/h Mass Flowrate-Out, kg/h Ethylene Oxygen PX Wax Question 5: Calculate the volume of a PFR reactor (in m^3, no pressure drop,…
Can you please assist me? Question 3: Calculate the Economic Potential (EP) at input-output level using your results in question 2 and prices in Table 2. Plot the EP versus X and decide on the value of the required conversion for your process to be financially sustainable (Justify). What is…
Design Memo: You are tasked with designing a 100,000 metric ton per annum production plant of PX. The formation of PX is obtained from the following polymerization reaction and also leads to the formation of wax (by-products). Oxygen is used as an initiator for this reaction at a concentration…
Heptane-ethylbenzene mixture containing 42% heptane as mole percent is fed to a fractionation column operating continuously at atmospheric pressure with a flow rate of 1200 kg/h, and is separated into a head product containing 97% heptane as mole percent and a base product containing 99%…
The work done by the gas is 199.5 kJ.
TELEGRAM 96 Geri 54-57 If the slope of the enriching section operating line of a distillation column is 0.75 and the liquid flow rate is 150 kmol/h, which of the following is the vapor flow rate in the enrichment section? Sectiginiz cevabin isaretlendigini gorene kadar bekleyiniz uend 009 50.5…
The cantilever beam shown in the figure is subjected to a uniformly distributed force, a moment, and two concentrated forces each with magnitude P = 4 kN. F is a fixed support. a) Determine the reactive forces at F. b) Draw the shear and moment diagrams. 5 kN/m 60 kNm 8 C D 3 m 2 m
14:03 TELEGRAM 97 Geri 2-3 idmif90mol conaig 50 m%And50iilled by ifl dtl the amount of comment A in the left liquid is 30mo%The distillation diagram about the process given below. Which of the following is the amount of liquid left in the still? xVAI/T ? bugun 14:01
In a single-effect evaporator, 10% NaOH solution is concentrated and 40% NaOH solution is obtained. The feed flow rate is 1000 kg/h. The latent heat of evaporation of steam used as a heating medium is 500 kcal/kg. The enthalpy of the superheated steam leaving the evaporator is 600 kcal/kg. The…
A barometric condenser is connected to a single-effect evaporator. The flow rate of cooling water used in the barometric condenser is 5000 kg/h. The inlet and outlet temperatures of cooling water are 20°C and 50°C, respectively. The enthalpy of the vapor leaving from evaporator is 2000 kJ/kg.…
Prove that for symmetric T: ∀v ∈ V, (T(v))⊥ = (T⊥)(v)
Derive/Evaluate the resulting equations of the following tensor equations. α and β are arbitrary scalar functions, v, a, b, and c are arbitrary vectors, δ is the second-rank unit tensor, and T is an arbitrary second-rank tensor. V(v)=? V·(δ)=? 8/(V·v)=?
Q1b = Ca3(PO4)4 Q2a = 115 Q1C = P Q2B = 2.55 Q1A = 40 Q2C = 17 Q2D = 7 2.35P) Answer the following questions: (a) What is the number in mmol of Q1B in 40 mL of a solution containing Q2A ppm? (Q2A ppm Q1B çözeltisinin 40 ml'sinde kaç mmol Q1B vardır?) (b) What is the molar concentration of…
Derive/Evaluate the resulting equations of the following tensor equations. x and y are arbitrary scalar functions, v is an arbitrary vector, T is a second-rank tensor, and δ is the Kronecker delta second-rank tensor. V · (T · v) = V · (9V) = V · (v × T)
Derive/Evaluate the resulting equations of the following tensor equations. Below r = xx + yy + zz (x, y, z are unit vectors. v, w, a, b, and c are arbitrary vectors. η is a second-rank symmetric tensor. E is the Levi-Civita third-rank tensor. V.E:T = ? V(ab.c) = ?
Water flows through a pipe with a diameter of 0.2 m at a flow rate of 0.05 m³/s. The pipe branches into two pipes with diameters of 0.05 m and 0.15 m. If the velocity in the 0.05 m pipe is 10 m/s, what is the velocity in the 0.15 m pipe?
Text: 5996-2022B: Midterm Exam Q ChE220 Midterm Exam Questions. a) Which process do you select for Google Ceviri? X + c X C Dosya I C/Users/omer/Downloads/ChE220MidtermExamQuestions.pdf : YouTube Haritalar - ChE220MidtermExamQuestions.pdf 2/2 125%+ Q3. The variables of each stream (i) of the…
The table below, formed from the measurements made in an unsteady-state heat conduction experiment, is given in the appendix. If the thermal conductivity of the bar material used in the experiment is 107 W/m·K and the specific heat is 89.6 cal/kg·°C, what is the density of the material? Use…
Q2.a) Which process do you select for dimethyl ether (DME) production? Sustainability terminology. b) What is the main advantage of producing DME from syngas? Explain by considering environmental impacts.
pls i need an answer in 2 hours The liquid level in the second tank for a noninteracting tank system is controlled by manipulating the inlet flow rate of the first tank. r hi Ri ha R2 All of the resistances are linear and R=0.05,R=0.1 min.m/m the cross-sectional areas of the tanks are constant…
pls i need an answer in 2 hours In ethylene glycol production plant, ethylene oxide is removed from water-glycols mixture in a flash column operating constant temperature of 105C and a constant pressure of 1 atm. At steady state condition, the temperature and flow rate of feed stream are 55C…
The irreversible exothermic reaction takes place in a continuous stirred tank reactor. The heat released by the reaction is removed using cooling water. A proportional controller is used to adjust coolant flow rate so as to keep the reactor temperature at the desired value. The controller has…
The liquid level in the second tank for a noninteracting tank system is controlled by manipulating the inlet flow rate of the first tank. Fi hi Ri h2 R2 All of the resistances are linear and R=0.05, R=0.1 min.m/m3; the cross-sectional areas of the tanks are constant and A=5.A2=3. a. Derive the…
The following reactions are carried out in an isothermal continuous stirred tank reactor. AB BC rkcHkoimwkmolmin B is the desired product and concentration of B is controlled using a PI controller. The feed stream of 1 m/min containing 0.5 kmol/min of A at steady-state operation passes…
Q2 (25/100) You put $20,000 into a bank account that you will earn 8% annually. For the next 20 years, you add $10,000 per year. At the end of year 5, you are planning to withdraw $80,000 from your savings account to buy a new car. Then, as before, you will continue investment by adding yearly…
Q1.a) Explain the importance of Process Safety Studies in the DME production process.
The effluent gas from a refinery of composition is fed into an absorber to reduce the n-C4H10 content of the effluent before recycling. The absorber is operated at 323K and 750 kPa. The entering oil and gas with its composition is shown in the following table. The absorber has 7 theoretical…
2- The insertion of Li+ ion into metal oxides is a relatively slow process. Busra has prepared a new metal oxide structure and wants to investigate its ability to insert Li+. She performed a potential sweep experiment with a sweep rate of 0.5 V/s for three cycles and observed the following I…
The compressibility coefficient of water at 20°C and pressure range of 1-25 atm is 49.10 x 10^-6/atm. (a) Calculate the work flow in the system, in Joules, as a result of the compression of 1 mole of water from 1 atm to 25 atm at 20°C. (b) Calculate the work flow in the system, in Joules, as…
A company is working on a new project. The fixed capital investment of the process is estimated as $5x10^6 (2020). Process stream information and cash flows after start-up are given below. After start-up, the life of the process is 10 years. There is no waste treatment cost. 20°C 1 Reactor…
Estimated as $5x10^6 (2020). Process stream information and cash flows after start-up are given below. After start-up, the life of the process is 10 years. There is no waste treatment cost. 20 Reactor feed - 160°C 1 1 R-101 E-103 20 Overhead product Reactor 260°C 180°C Column 1 120 E-10N…
An agitator is used to mix a liquid with density p and dynamic viscosity μ in a cylindrical tank. The agitator has a diameter D and its rotational speed is N. The power P required to mix the liquids may be written as P = f(N, D, p, μ, g). Use dimensional analysis to derive an expression of…
Q1 (50/100) A company is working on a new project. The fixed capital investment of the process is estimated as $5x105 (2020). Process stream information and cash flows after start up are given below. After start up the life of the process is 10 years. There is no waste treatment cost. 20°C…
For the piston-cylinder assembly, the details of the states are given in the figure above. The R134a state is a vapor.
The following information is given for three different enzymes that catalyze the same enzymatic reaction. Calculate Km and Vmax for each enzyme. Which of these enzymes would you choose? why? S (mM) V1 V2 V3 mol L mg /min 2 8 12 20 30 24 46 62 68 70 6 16 25 28 32 8 20 32 44 46
A double-effect forward feed evaporator is used to concentrate a 10% sugar solution to a 40% sugar solution. The feed stream of 10,000 kg/h enters the evaporator. Saturated steam of 4,500 kg/h is used as the heating medium. What is the steam economy of the process?
In a single-stage leaching process, oil is extracted from meal using pure benzene as a solvent. The mass flow rate of untreated meal, consisting of 25% oil and 75% inert, is 120 kg/h. The flow rate of the leaching solvent is 80 kg/h of benzene. The underflow contains 35% solution and 65% inert…
A distillation column is to be designed for the separation of a binary mixture. The feed concentration is Xf = 0.4 and the feed rate is 400 kmol/h. 100 kmol/h of top product is desired. The enriching operation line equation is given as y = 0.75x + 0.225. Determine i. flow rate of the vapor that…
The boiling point of water at the evaporator pressure is 75°C, and the enthalpy of the steam at this temperature is 629 kcal/kg. The boiling point of the concentrated solution is 105°C. The vapor leaving the evaporator is condensed in a barometric condenser. The temperature of the cooling…
Fixed Slit Intensity 0.8014 3.6 1.8 1.3 1.6 60 d(A) d[A] Int-f h K 1 d[A] Int-f h k )P Int-f h k 3.6840 30 0 1 2 1.3497 3 2 0 8 98920 4 1 8 2.7000 100 1 0 1.3115 10 1 0 10 .97150 <1 323 22 9 2.5190 20 1 1 1.3064 6 1 1 .96060 5 4 2.2920 3 0 0 6 1.2592 2 .95810 0 114 2.2070 20 1.2276 23 1 1 3 0 6…
In a single-stage leaching system, oil is leached with pure hexane from 150 kg of olives containing 25 kg of oil. The oil content in the underflow solution leaving the stage is 10%. What is the amount of overflow (V)?
In an experiment, a perfect gas is placed in a vessel with a massless piston. A massless wire is attached to this piston. When an external pressure of 2 atm is applied to this wire, the gas is compressed from 4.90 liters to 2.45 liters. Subsequently, when the external pressure is increased to…
(atomic mass: C=12 H=1 the percent yield if the actual yield is 1.5g ? theoretical yield for benzilic acid and calculate 1. if we start with 3g of benzyl, find the O=16 Q1) For the following reaction
Explain how the ability of a polymer to crystallize is affected by its molecular weight, linearity, branching, co/monopolymer properties, and side groups.
URGENT If the matrix has an inverse, find its inverse. Please write step by step clearly. Thank you. 6 21 2 A = 1 4 2 6
QUESTION 1 Calculate the dryness fraction, specific volume, and specific internal energy of steam at 1,800 kPa and specific enthalpy 2,230 kJ/kg [12 marks] QUESTION 2 1.2 kg of air at 22 bar occupies 0.091 m3 cylinder. As the air is compressed isothermally and reversibly until the pressure is…
For a reaction carried out as A →B (k1), the reaction rate constant data against temperature are obtained and given below. Calculate the activation energy and frequency factor required for this reaction to occur, using the graphical method. T (C) 35 40 45 50 55 1/min 0,0098 0,0120 0,0250 0,0360…
Classroom test: Batch process engineering (CG5052) Nucleation experiments were performed in a research laboratory using glass vials of volume, V = 20 mL, to study the nucleation kinetics of curcumin. The following data were obtained at 25 degrees Celsius. Table: Probability of nucleation…
Design a rapid mixing tank by using the following information. a. Find the dimensions of the tank, depth, and width. Assume 2 tanks. Comment on the depth/width ratio. The flow rate is (0.3+0.1x4) m^3/s, detention time is 50 sec, and the velocity gradient is 700 1/s. b. Find the motor power…
What are the parameters affecting the efficiency of settling tanks? A settling tank is going to be constructed for particles having settling velocities of (13+a) m/day. The engineers determine the sizes of 50×8×2.5 m for a flow rate of 6400 m3/day. Comment on the efficiency of the settling…
In the discussion about mini-project #11, we found that increasing the mass transfer coefficient by a factor of 100 changed our concentration profile along the pipe from apparently linear to non-linear. State whether we must increase or decrease each one. A variable may appear in several…
Answer question 5: Can a rod of length 130 mm undergo plastic deformation without any damage? The elasticity of the material is 103 GPa. If the coefficient of linear expansion is 17.0, calculate the temperature at the junction. The thermal conductivities of the rods are as follows: Steel…
Chapter 12 Intermolecular Force 1. Complete the following table. Answer yes or no about the existence of kind of these forces. Give a brief explanation Substance London Forces Dipole-Dipole H-Bonding Explanation CH4 CH2Cl2 CCl4 NH3 CH3OH HF O2 CH3NH2
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what is 113043.48 J/ kg converted to j/g?
convert 1.37 kj/g to j/g
The ΔHvap of NH3 is 23.3 kJ/mol. Assume the molecular mass for NH3 is 17.031 g/mol What is the Enthalpy of Vaporization? (Pay attention to significant digits!)
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Convert 602.58 kj to kcal
Jessica has 266.9 g of water that she needs to boil. If the ΔHvap is 40.66 kJ/mol, how much heat energy will she need to boil her water? Assume the molecular mass for water is 18.015 g/mol Enter your answer in standard form or scientific notation with the correct number of significant…
The heat capacity of mercury (Hg) is 0.1395 J/g oC. What is the Molar Heat Capacity? Assume the atomic mass of Hg = 200.59 Enter your answer in standard form or use scientific notation, but use correct number of significant digits
When 28.1 g of a substance is completely melted at its melting point, 826 J are absorbed. What is the heat of fusion, Lf, of this substance? Pay attention to significant digits
A 35.65 g piece of iron absorbs 886.98 J of heat. Its temperature changes from 30.1 oC to 84.1 oC. Calculate the specific heat capacity of iron.
A burning match releases 904.6 J of energy. Convert the energy released by 20 matches to the following energy units (assume there are 4.184 joules per calorie (and pay attention to significant digits in your answer)): Kilojoules: Calories: Food Calories: calories: kcal:
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The latent heat of fusion, Lf, of water (H2O) = 334. J/g To melt a sample of ice starting at 0.00 °C ice required 1.161*10^(5) J. What is the mass of the sample?
Calculate the final temperature of the system: A 50.0 gram sample of water initially at 100 °C and a 100 gram sample initially at 1.28 °C are mixed. The specific heat of water is 4.184 J/gC). Record your answer in scientific notation using 3 significant figures.
A burning match releases 862.3 J of energy. Convert the energy released by 20 matches to kilojoules. Assume there are 4.184 joules per calorie, and pay attention to significant digits in your answer.
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A hot piece of metal is placed in a large bucket of cold water. What happens next?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) what amount of the excess reagent remains after the reaction is complete?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) what amount of the excess reagent remains after the reaction is complete?
For the following reaction, 7.31 grams of methane (CH4) are allowed to react with 29.2 grams of carbon tetrachloride . methane (CH4) ( g ) + carbon tetrachloride ( g ) dichloromethane (CH2Cl2) ( g ) What is the formula for the limiting reagent?
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