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Organic Chemistry Q&A Archive of April 22, 2024

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April 22 of 2024

6. (24 points) Synthesize one, a) or b) starting from cyclopentene, then choose three (3) from compounds \( \mathrm{c} \) ) to \( \mathrm{h} \) ) to synthesize starting from benzene or toluene, and for all, any other compounds containing 4 carbons or less. Exception: carbon containing reagents…
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Directions: Write your answer on a separate answer sheet. Note that the triangles in the exercises are not drawn to scale. A. Name the shortest side and the longest side of the following triangles: R p u \begin{tabular}{|c|c|c|c|} \hline & Triangle & Longest Side & Shortest Side \\ \hline 1. &…
Show how you could prepare each of the following compounds from ethyl acetoacetate and any necessary organic or inorganic reagents: 1) 3-Phenylpentanoic acid 2) 4-Ethyl-2-heptanone
4-Ethyl-2-heptanone ارسم
using the Sum-of-the-Y25. An automobile company is planning to buy a robot for its forging unit. It has identified two different companies for the supply of the robot. The details of cost and incremental revenue of using robots are summarized in the following table:Anmal increma (Rx)Life and…
3-Phenylpentanoic acid تركيب
1. Which of the following lines are parallel? 2. 2. Support your answer by citing two conditions of parallelism. 3. Which of the following lines are perpendicular? 4. Support your answer by citing two conditions of perpendicularity.
General remarks. 1. All questions are to be performed using the Gaussian and Gaussview software packages. 2. Unless otherwise stated, you can leave the options under the Method, Title, Link 0, General, Guess, NBO, and Solvation sections of the Gaussian Calculation Setup menu in Gaussview at…
Show that LMRQ is a cyclic quadrilateral if \( P Q=P R \) and \( L M \| Q R \).
Which of the following compounds has the meso form? b. Pentandiol-2,3 a Butanediol-2,3 d. Dihydroxy-2,3-butanedioic acid c. Pentandiol-2,4
- You do not have to consider stereochemistry. - You do not have to explicitly draw H atoms.
9.14 Skiconi paraqitjen tetraedrike tê: a. (R) Klor-2-butanit b. (S) Pentanol-2 (hidroksi-2-pentani 9. 15 Cili prej komponimeve të mëposht?m ka formë mezo? a. Butandiol-2,3 b. Pentandiol-2,3 c. Pentand iol-2,4 d. Acididihidroksi-2,3-butandioik 9.16 Çfarë lloj izomerësh janë komponimet në çiftet…
com/ilrn/takeAssignment/takeCovalentActivity.do?locat Use the Reference Draw the structure of the organic product of the structure of the major product. \[ \xrightarrow[\text { heat }]{\mathrm{H}_{2} \mathrm{SO}_{4}} \text { ? } \] - You do not have to consider stereochemi - You do not have to…
1. How much lidocaine base is needed for this prescription? 2. However, the hydrochloride monohydrate salt of lidocaine is being used. Therefore, how much lidocaine hydrochloride monohydrate salt is needed to yield the required amount of lidocaine base? …
Use the References to access important values if needed for this question. Draw the structure of the organic product of the following dehydration reaction. If more than one organic product can be formed, draw only the structure of the major product. CH3-CH(CH3)-CH2OH --(H2SO4, heat)--> ? -…
Use the References to access important values if needed for this question. Draw the structure of the organic product of the following dehydration reaction. If more than one product is possible, draw only the structure of the major product. CH3-CH(CH3)-CH2OH --H2SO4, heat--> ? - You do not have…
1) Methylprednisolone comes in a 125 mg vial. It will be reconstituted with 2 mL of 0.9% sodium chloride. What is the concentration (in mg/mL) of the vial after reconstitution? 2) The order is written for 2 mL of 1% methylprednisolone. A total of 2.5 mL will be prepared to account for…
The order is written for 2 mL of 1% methylprednisolone. A total of 2.5 mL will be prepared to account for any losses during transfers. How many mg of methylprednisolone are needed to make 2.5 mL of a 1% solution?
Methylprednisolone comes in a 125 mg vial. It will be reconstituted with 2 mL of 0.9% sodium chloride. What is the concentration (in mg/mL) of the vial after reconstitution?
William Banting? popularized a diet that eliminated sugar and starchy foods. showed that foods high in B vitamins were the key to weight control. None of these responses is correct. was the first person to show that exercise was important for weight control. found that a low fat…
8 Grade 12 NW/June 2023 Give reasons for ALL statements and calculations in QUESTION 6 and 7. QUESTION 6 6.1 \( \mathrm{O} \) is the centre of the circle through \( \mathrm{A}, \mathrm{B} \) and \( \mathrm{C} \) in the diagram. Use the diagram to prove the theorem which states that \(…
2. What is the volume of the cone? 469.1 cubic feet 351.9 cubic feet 117.3 cubic feet 1407.4 cubic feet
The molecule has \( \square \) The molecule must have: \( \square \) Identify the molecule as an alkane, an alkene or an alkyne: \( \square \) Submit Answer Retry Entro Group 6 more group attempts remaining
Use the References to access important values if needed Examine the geometry of the molecule in the 3D window. Use the atom positions tc The molecule has a planar region containing two trigonal-planar carbon atoms v. The molecule must have: a carbon-carbon doublo bond Identify the molecule as…
RS and PS are tangents to the circle at R and P respectively. \( \mathrm{RS}=15 \) units; \( \mathrm{TS}=9 \) units; \( \mathrm{RPS}=42,83^{\circ} \). 11.1 Calculate the size of NÔR. (5) 11.2 Calculate the length of the radius of the circle.
\begin{tabular}{|l|l|l|l|l|} \hline Figure & Exterior Angle & \begin{tabular}{c} Remote Interior \\ Angle \end{tabular} & \begin{tabular}{c} Remote Exterior \\ Angle \end{tabular} & \begin{tabular}{c} Measure of Remote \\ Interior Angles \end{tabular} \\ \hline Example: & \( \angle B C D \)…
1. Discuss the roles of the following spectroscopic methods in the stud organic compounds? a. infrared spectroscopy b. nuclear-magnetic-resonance spectroscopy, Describe how you can use infrared spectroscopy to distinguish between a. a carboxylic acid and an alcohol b. an aldehyde and an ether
Who popularized low carb diet in general, Atkins or William Banting?
Draw the organic product(s) of the following reaction.
Which of the following statements concerning weight loss is correct? A low carbohydrate diet is the best way to lose weight because the body will then burn fat for energy. None of these statements is correct. A serving of fat or carbohydrate rated the same as having the same calorie content…
The line drawn from the centre of the circle to the midpoint of the chord, is perpendicular to the chord Given: Circle with center \( O . D \) is a midpoint of the chord \( A B \) such that \( A D=D B \) Required To Prove : \( O D \perp A B \) Construction: Join \( \mathrm{OA} \) and \(…
Name-Cone faces Edgesvertices-
13. Se tiene un terreno en forma de triángulo rectángulo, cuyos catetos miden 300 m y \( 800 \mathrm{~m} \). ¿Qué cantidad de malla necesita para cercarlo?
The sum of the height and radius of a right circular cylinder is \( 9 \mathrm{~cm} \). If the total surface area is \( 81 \pi \mathrm{cm}^{2} \), then what is the radius of the cylinder?
Discuss the number signals and splitting pattern of propanoic acid
Discuss the number signals and splitting pattern of ethanol
3. infrared speciresco;rs b. nuciear-magnetis-restrame speairocap. a. a carboxylic acd and an akersel b. an-alipliyde and \( 2 n \) et-er
ACTIVITY: 3 The photo below shows the dispersion of each mobile legend heroes on the first part of the game. Help Layla in proving that the given heroes are in Congruent angular location along the map, given that lines \( a \) and \( b \) are parallel cut by transversal \( t…
1.2 Calculate the area of one window. (2) (2)
Analyze the illustration below and answer the questions that follow. Image Source: https://www.toonpool.com/cartoons/truth \( \% 20 \) and \( \% 20 \) media 57496
Individual Activity \#\$19 Draw a picture that illustrates the situation. 1. A tree casts a shadow 15 feet long. The angle of elevation of the sun is \( 63^{*} \). 2. Rhombus \( L O V E \) have diagonals \( L V \) and \( O E \). The measure of \( \angle L O V \) is \( 102^{\prime \prime} \) and…
using dimensional analysis, convert 190mmHG to kilopascals
How many total peaks (phased either "up" or "down") would appear in the proton-decoupled DEPT-135 spectrum of dimethyl 3,4,5,6-tetraphenylphthalate?
Fill in the blanks: 5 .
Correct the following, there are two mistakes: [ xrightarrow{substack{mathrm{Na}_{2} mathrm{Cr}_{2} mathrm{O}_{7} \ mathrm{H}_{2} mathrm{SO}_{4}}} ] ( mathrm{TsOH} ) ( mathrm{NH}_{3} )
Are the following below (R, S, E, Z), cis, trans, or none? 1. 2. 3. 4.
Ģive the structure of isometric dicarboxylic acid having molecular formula c4h604 what is the action of heat on them
Name the structure: Draw the structure: (Z)-3-methoxypent-2-ene
Show the mechanism:
Show the mechanism and product:
A composite figure is shown on the coordinate grid. What is the total area of this composite figure? A. 36 square units B. 84 square units C. 120 square units D. 204 square units
LEARNER'S PACKET [LeaP] KS3 IV. LEARNING PHASES AND LEARNING ACTIVITIES V. ASSESSMENT [Time Frame: \( \qquad \) 15 minutes \( \square \) [Learning Activiy Sheets for Errichment, Remedlatian, ar Asyesment to be given on Weeks 3 and bi Complete the table belaw. \begin{tabular}{|c|l|c|c|} \hline &…
V. ASSESSMENT [Time Frame: _15 minutes __ Complate the tabie belaw. \begin{tabular}{|c|l|c|c|} \hline & Triangle & \begin{tabular}{c} Largest \\ Angle \end{tabular} & \begin{tabular}{c} Smalest \\ Angle \end{tabular} \\ \hline 1. & \( \Delta F U N \) & & \\ \hline 2. & \( \Delta G E O \) & &…
which of the following is true about the work of Brown and Goldstein 1985 nobel winners in medicine? -Their work led to the discovery of cholesterol reducing drugs -brown and Goldstein were the first novel winners -they discovered a proper diet to reduce saturated fats -none of the…
D. Identify the underlined phrases. Write NP for noun phrases and AP for adjective phrases. Check your answers again. 1. The garden with colourful flowers is open to the public now. 2. The charging bull overturned the cart. 3. The happy prince's statue stood in the centre of the town.
module 1 Having learned Exterior Angle Inequality Theorem, complete the table. Use the given figure above.
2. Choose if \( \overline{\mathrm{DE}} \) or \( \overline{\mathrm{GH}} \) is longer in the following trlangles.
7. What is the measure of angle UVT (see no.1)
1,3 - propandiol \[ T_{5} \mathrm{OH}_{\text {(cat) }} \mathrm{PhCH}_{3} \]
7. Given that \( A B C \) and \( B E D \) are straight lines, find the value(s) of the unknown(s) in each of the following figures. (a) (b)
4. a. Using the relation symbols \( >,< \), or \( = \), complete the statement below: \[ m \angle Z \_m \angle C \] b. What theorem did you use to justify the statement above? 5. a. Using the relation symbols \( >,< \), or \( = \), complete the statement below: \[ \overline{N W} \_\overline{A…
ACTIVITY I: Complete the following table. \begin{tabular}{|l|l|l|l|} \hline \multicolumn{1}{|c|}{\begin{tabular}{c} Number of Sides \\ from a fixed vertex \end{tabular}} & \begin{tabular}{c} No. of triangles formed \\ by the diagonals drawn \\ from a fixed vertex \end{tabular} &…
C. Direction: Apply SSS Similarity Theorem in writing the if-then statement to describe the give illustration. \begin{tabular}{|l|l|l|} \hline If: & \( \frac{O Y}{A N}=\frac{O J}{A M}=\frac{J Y}{M N} \) & \\ \hline Then: & \( \Delta J O Y \sim \triangle M A N \) & \\ \hline \end{tabular}
Activity 4. Find Me! If \( m \| n \) and \( m \angle a=x+70 \) and \( m \angle c=3 x \), find the indicated measures. 1. \( m \angle a \) 2. \( m \angle c \) 3. \( m<g \) 4. \( m \angle e \) 5. \( m<h \)
REN IDF one who is your trusted companion one who finds something CRETHAE one who instructs her/his students one who acts dishonestly EDREL A one who buys and sells goods one who leads a group N A R E G L E to make small things bigger a military official E T S A L no longer fresh and…
The major product(s) for the following reaction \( \underset{\text { Propyne }}{\mathrm{H}_{3} \mathrm{C}-\mathrm{C} \equiv \mathrm{C}-\mathrm{H}} \xrightarrow[\text { 2. } \mathrm{H}_{2} \mathrm{O}]{\text { 1. } \mathrm{O}_{3}} \)
3.) If an aimplane that is cruifing at an altitude or \( 9 \mathrm{Km} \) wants to land at NAIA, it must begin its tescent 30 that the angle of depression to the alrport is 70
Direations: Read and asalyse each item/question carefully. Choose the lerter of the correct answers Write your answer on the blank before each number. 3. In the figure shown, what is the relationship between \( \angle 4 \) and \( \angle S \) ? A. \( \angle 4 \) and \( \angle 5 \) are…
A / as / Ask Copilot Interpret the drawing below:
\( \bar{A} \) What's More Identify Me! In the following figures, identify the segment that represents the line of sight, and identify the angles (if any) that represent the angle of elevation or angle of depression.
C. Using your protractor do the following as per instruction: (3pts each) Draw angles with the given measurement Measure the angles drawn inside the box
List the sides in order, underline the side with the shortest length (a) (c)
your solution. 1. What is the value of \( x \) and \( m \angle a \) if \( m \angle a=2 x+3 \) and \( m \angle b=47 \) ?
Activity 3: My Ex and In A. Complete the table by identifying the exterior and interior angle. \begin{tabular}{|l|l|l|l|} \hline \begin{tabular}{l} Name of \\ Triangle \end{tabular} & \begin{tabular}{l} Exterior \\ Angle \end{tabular} & \begin{tabular}{c} Remote Interior…
Determine the sample space \( S \) and the total number of possible outcomes \( n(S) \) for each probability experiment. \begin{tabular}{|c|l|l|l|} \hline 20 & \begin{tabular}{l} To decide on which day to visit his grandmother, Niel \\ writes the seven days of the week on equal pieces of…
Determine the sample space \( S \) and the total number of possible outcomes \( n(S) \) for each probability experiment. \begin{tabular}{|c|l|l|l|} \hline \multicolumn{1}{|c|}{ Probability Experiment } & \multicolumn{1}{|c||}{ Sample Space (S) } & \( \mathbf{n}(\mathbf{S}) \) \\ \hline \(…
At STP how many mL will 5.3 mol of any has occupy? Answer as a whole number.
What mass of hydrogen gas will occupy a volume of 23.8 L at 24.2 °C and a pressure of 0.530 atm?
What volume will 11.32 g of nitrogen gas occupy at 20.8 °C and a pressure of 0.420 atm?
If I have 7.3 moles of a gas at a pressure of 4.1 atm and a volume of 11 liters, what is the temperature in Celsius?
What pressure in mmg is required to contain 0.011 moles of nitrogen gas in a 3.4 L container at a temperature of 18. °C?
If I contain 4.95 moles of gas in a container with a volume of 55.9 liters and at a temperature of 400.K, what is the pressure inside the container in atm?
The atmospheric pressure on the top of a mountain is lower than the atmospheric pressure at sea level. Which statement best explains this phenomena? A. The gas particles need a beach vacation. B. Collisions are less elastic at sea level.
There are fewer gas particles above the mountain being…
Gas particles are compressed into a very small volume. Which KMT assumption does this violate? A. Gas particles are very small in comparison to the distance between them. B. Gas particles have indefinite volume. C. Temperature is a measure of the average kinetic energy of the particles. D.…
A manometer indicates a pressure of 0.02000 atm. Calculate the pressure in mmHg.
A gas in a container has a pressure of 45 kPa. Calculate the pressure in atm.
A syringe filled with air exerts a pressure of 1.04 atm at 23.3°C. The syringe is placed in a water bath that is 109.2°C. The pressure is increased to 1.21 atm by pushing the plunger in, which reduces the volume to 0.2 mL. What was the initial volume?
An anesthesiologist is going to give a surgery patient 4.72 L gas at 22.0. °C. The body temperature of the patient is 37.1 °C. What is the volume of the gas inside the body?
A gas sample is initially at 5.0 atm and 2.6 L. If the volume is adjusted to 8.4, what is the new pressure of the gas sample? (Assume the sample is maintained in a closed container with constant temperature).
A diver releases an air bubble that is 0.23 L big under water. As it rises to the surface, the pressure goes from 2.11 atm to 1.29 atm. What will be the volume of the air bubble at the surface?
A closed container in lab contains a sample of oxygen gas. When the temperature in lab is 17.3 degrees Celcius, the pressure in the container is 9.50 atm. What would the pressure be if the temperature dropped to 26.1 degrees Celcius? Record your answer as a number with the correct significant…
The barometric pressure of an airplane cruising at 36,000 feet is 24.7 kPa. Calculate the pressure in mmHg
1. Given the chemical equation below: H2 (g) + O2 (g)  H2O(g) a. Calculate the mass of oxygen (in grams) required to completely react with 5.00 grams of hydrogen of gas.
Learning Task 6: Answer the following in paragraph form. Do these on your answer sheets. 1. How does the earth move in space? 2. Why do we need to have a leap year once every four years? 3. Explain why it can be dark in Philippines and daytime in New York City at the same point in time. Use the…
An octapeptide has the composition Ala2, Gly2, Phe2, Ser2. The N-terminal unit is Ala. Cleavage of the octapeptide by chymotrypsin gives a single tetrapeptide, having Ala as its N-terminal group. Among the products of random hydrolysis is a Phe-Ala-Gly tripeptide fragment. What is the primary…
Fill in the blanks below to show how to use 5.75 M H2SO4 solution to make 1.50 L of 4.00 M H2SO4 solution. Combine ____________ of ___________ H2SO4 solution with __________ to make 1.50 L of 4.00 M H2SO4 solution.
As the concentration of solute in a solution is diluted: 1. The freezing point of the solution ___________ the freezing point of the pure solvent 2. The boiling point of the solution ___________ the boiling point of the pure solvent 3. The osmotic pressure _____________ pressure
Will the boiling point of a solution be higher or lower compared to the boiling point of the pure solvent? Will the freezing point of a solution be higher or lower compared to the freezing point of the pure solvent?
Put the order of reactivity of the 4 major carboxylic derivatives from most reactive to least reactive. Acyl chlorides Anhydrides Esters Amides
How to go from 2-butanol to ethyl methyl ketone?
Activity 2: Prove It Given the figure at the right, complete each proof: 1. Given: \( \boldsymbol{p} \| \boldsymbol{q} \), transversal \( \boldsymbol{m} \) Prove: \( \angle 3 \cong \angle 5 \) Proof: \begin{tabular}{|l|l|} \hline \multicolumn{1}{|c|}{ Statements } & \multicolumn{1}{c|}{ Reasons…
write the chemical mechanism when Ninhydrin reacts with Isoleucine
Learning Task II. Given: \( \triangle \mathrm{CAN} \) and \( \Delta \mathrm{LTT} \); \[ \begin{array}{l} \overline{C A} \cong \overline{[Y}, \overline{A N} \cong \overline{Y T} \text {, } \\ \mathrm{m} \angle A>\mathrm{m} \angle \mathrm{Y} \\ \end{array} \] Prove: \( \overline{C…
Draw and label each of the following. 1. \( \overleftrightarrow{A B} \) 2. points \( C \) and \( D \) 4. points \( L, M \), and \( N \) 5. \( \overrightarrow{\mathrm{MN}} \)
Drawing Lines and Parts of Lines Points, Lines, and An Draw and label each of the following. 1. \( \overleftrightarrow{A B} \) 2. points \( C \) and \( D \) 3. \( \overline{\mathrm{R}} \) 4. points \( L \), \( M \), and \( N \) 5. \( \overrightarrow{\mathrm{MN}} \) 6. Use the figure to the…
The molality of a sugar solution (CH12°6) is 5.11 m. How many total ions does C&H126 break into when dissolved? What is the total molality of the solution?
The molality of a MgCle solution is 1.74 m. How many total ions does MgCl break into when dissolved? What is the total molality of the solution?
How many mL of a 4.0 M HCl solution would it take to make a 250 mL of a 2.4 M solution? A. 604.00 B. 63.10 C. 416.67 D. 150.00 E. 61.90
You need to dilute a solution of 16 M sulfuric acid. You need the dilute solution to be 4 M and only need 70 mL of it. How many mL of the concentrated solution are needed?
Calculate the molarity of a solution that is made by dissolving 119.25 g RbClO4 in enough water to make 450.0 mL of solution.
Calculate the molality of a sucrose solution made by dissolving 74.2 grams sucrose into 72.67 grams water. The molar mass of sucrose is 342.2 g/mol. A. 0.03 B. 0 C. 1021.05 D. 0.3 E. 2.98
A certain solution of salt water has a molality of 3.69 m How many moles of solute are in 1 kg of water? How many moles of solute are in 5 kg of water?
If 0.394 L of a solution was prepared by dissolving 98.5 g of Na3PO4 in 0.374 kg of water. How many moles of NaPO4 do you have? What is the molarity of the solution? What is the molality of the solution?
If 0.394 L of a solution was prepared by dissolving 98.5 g of Na3PO4 in 0.374 kg of water. How many moles of NaPO4 do you have?
How many grams of KMnO4 are required to make 4.4 L of a 0.89 M solution?
What volume (mL) of 0.200 M Cu(ClO4)2 solution is needed to provide 2.41 × 10-5 mol Cu(ClO4)2?
A salt water solution has a molarity of 4.37 M How many moles of NaCl would it take to prepare one liter of the solution? How many grams of NaCl would it take to prepare one liter of the solution?
Given \[ \begin{array}{l} \odot O \\ \overparen{A B}=120^{\circ} \\ A O=4 \end{array} \] Find the measure of \( B C \)
Intravenous (IV) saline solutions are often administered to patients in the hospital. One saline solution contains 0.300 g NaCl in exactly 450.0 mL of solution. What is the molarity?
Calculate the mass percent of a sucrose solution that is made by mixing 8.03 grams of sucrose into water until the solution has a mass of 15.9 grams. Give your answer as a whole number.
What is the mass percent of calcium chloride if 20g of CaCl2 is dissolved in 313 g of water?
(c- 6 points) Draw the two chair conformers of each of the following, and indicate which one is more stable: a. trans-1-ethyl-2-isopropylcyclohexane b. cis-1-ethyl-4-isopropylcyclohexane
(b - 6 points) Using Newman projections, draw the most stable conformer. a. 3-methylpentane, viewed along the C2-C3 bond b. 3,3-dimethylhexane, viewed along the C3-C4 bond.
Ross dissolved 38.1 g ZnI2 in enough distilled water to make 375.00 mL of solution. Perform the following calculations regarding this solution: A. What is the molarity of this solution? • This value will be used for subsequent calculations. Remember to use the unrounded value of molarity…
Indicate whether the solubility of the solution would increase or decrease. The temperature of a sugar water solution is decreased. Decrease, Increase or Cannot Be Determined The pressure above a gas and water solution is increased. Decrease, Increase or Cannot Be Determined The…
Select the conditions where gas solutes have the highest solubility in water. *For this question, think about what's going on inside a soda can. What factors will affect how much carbon dioxide stays dissolved in your soda? What effect does temperature have? What effect does the pressure of…
At high altitude, atmospheric pressure is ___________ at lower altitudes. As a result, the solubility of oxygen gas in lakes at high altitude is _________ at lower altitudes. A. Less than B. The Same As C. Greater Than
Gawain 3: Panuto: Maglahad ng sariling patotoo na ang PANANALIKSIK ay nagbubunga ng mas malawak na kaalaman at kapakinabangan. Gamitin ang dayagram sa ibaba.
At high altitude, atmospheric pressure is ___________ at lower altitudes. As a result, the solubility of oxygen gas in lakes at high altitude is _________ at lower altitudes.
In general, what conditions would best encourage the solubility of a ionic solid in liquid water. A. A low atmospheric pressure B. Low Temperature C. A high atmospheric pressure D. High Temperature
What is the maximum mass of sugar, (C12H22O11) that can dissolve in 100 g of water at 60 °C? Decimal Answer Only Can you dissolve 284 g of sugar, (C12H22O11) in 125 g of water at 60 °C? What is the maximum mass of KCl that can dissolve in 100g of water at 20 °C? Decimal Answer Only Can…
1.) 8 and 12 3.) 4 and 9 2.) 7 and 16 4.) 24 and 15 D. Use the Exterior Angle Inequality Theorem to list all angles that satisty the given condition. 1.) Angles less than the m/9. \( \qquad \) , \( \qquad \) 2.) Angles less than the \( m<7 \). \( \qquad \) \( \qquad \) 3.) Angles less than the…
\begin{tabular}{|l|l|} \hline \multicolumn{1}{|c|}{ STATEMENTS } & \multicolumn{1}{c|}{ RFASONS } \\ \hline 1. & \begin{tabular}{l} 1. Opposite sides of a rectangle are \\ parallel and congruent. \end{tabular} \\ \hline 2. \( \overline{E M} \cong \overline{M E} \) & 2. \\ \hline 3. \( \angle E…
What is the maximum mass of sugar, (C12H22O11) that can dissolve in 100 g of water at 60 °C? Can you dissolve 284 g of sugar, (C12H22O11) in 125 g of water at 60 °C?
Determine if it is soluble or insoluble in water, and the corresponding phase symbol. KClO4 CoBr2 Au2SO4 CaF2 Cs2S K2S MnC2O4 CsOH
Water is a polar solvent and hexane is a non-polar solvent. Determine which solvent each of the following is most likely to be soluble in. Is sugar water, hexane, both, neither or cannot be determined? Is ethanol C2H5OH water, hexane, both, neither or cannot be determined? Is oil…
Water is a polar solvent and hexane is a non-polar solvent. C12H23O11 dissolves in water hut not in hexane. C12H23O11 must be a ________ _________
C. In circle A, \( \overline{\mathrm{SU}} \) and \( \overline{\mathrm{WU}} \) are secant segments and \( \overline{\mathrm{XU}} \) is a tangent segment. If \( \overline{\mathrm{WU}}=14, \overline{\mathrm{ST}}=12 \), and \( \overline{\mathrm{TU}}=4 \), find: a. \( \overline{\mathrm{VU}} \) b. \(…
In any solution, the material that is dissolved is called the _________ and the material in which the substance is dissolved is called the _________
Direction: Apply the Trangle Inequality Theorems to answer the following activities below. A. List the angles from smallest to largest. 2.) 2.) 3.) \( B \) Lige the sides fom
An _____ solution is a solution in which _______ is the solvent
Based on the chemical formula provided, classify each compound as a strong, weak, or non-electrolyte. MgBr2 AgCl HClO4 HNO2 HClO NH4CL СН3ОН NH4F
Rank these substances or solutions by relative boiling point. 1.8 m Mg(ClO4)2 1.8 m AuC2H3O2 1.8 m CHCl3 pure H2O 1.8 m H2C2O4
Which of the following solutions will have the lowest freezing point? A. 2.4 m NaCl solution B. 2.4 C6H12O6 solution C. 2.6 m MgCl2 solution D. 2.6 m K3P E. None of these
Which of the following solutions will have the lowest freezing point? A. 6.6 m C2H3OH solution B. 6.6 m NaCl solution C. 6.6 m Ca3(PO4)2 solution D. 6.6 m AlBr3 solution
Each can have a label on them as shown by the image below Circumference of the can Hight of the can 2.4 Calculate the length of the lable.
Write the half-reaction corresponding to the description below: Oxidation of Tin metal to aqueous tin (IV) ions
Which of the following statements is TRUE? A. Oxidation is the gain of electrons. When oxidized, electrons appear on the products side of a half-reaction B.Oxidation is the loss of electrons. When oxidized, electrons appear on the products side of a half-reaction. C. Oxidation is the…
In the following reaction, how many electrons are exchanged between the reactants? 2K(s) + Sn2+(aq) > 2K+(aq) + Sn(s)
In the following reaction, how many electrons are exchanged between the reactants? 2Na(s) + Cu2+ (ag) → 2Na+ (ag) + Cu(s) A. 2 B. 3 C. 1 D. 6 E. Zero. This isn’t a redox reaction
Write half reactions for the following reaction: 2Na + CuCl2 > 2NaCl + Cu 1. Oxidation Half Reaction: 2. Reduction Half Reaction:
Give the complete symbol (), including atomic number and mass number, of a manganese atom with 27 neutrons
in which layer of the souldo we usually find loam?
Consider the balanced chemical reaction below: 2Cs3PO4(aq) + 3FeF2(aq) → 6CsF(aq) + Fe3(PO4)2(s) A. Calculate the mass of Fez(PO), that can form when 17.75 g of Cs.PO is mixed with excess FeEz by filling in the numerical values, and units, in the following dimensional analysis: B.…
Calculate the volume of 0.7726 M HBr needed to completely neutralize 24.00 mL of 0.7106 M Ni(OH)3
Question 27 of 58 Submit The structure of cocaine is shown below. Which of the following functional groups is indicated by the box?
Write the balanced equation, including phase symbols, for the reaction between HBr and nickel (III) hydroxide.
A piece of magnesium metal is placed in a jar filled with hydrochloric acid. A lid is tightly fitted onto the jar so no gas can escape. The magnesium dissolves in the acid and bubbles rise to the surface of the acid. What has happened to the mass of the jar? A. Increases B. Decreases C.…
A piece of magnesium metal is placed in a jar filled with hydrochloric acid. Before the reaction, the mass of the materials is 78 grams. The magnesium dissolves in the acid and bubbles rise to the surface of the acid. After the reaction, the mass of the materials is 63 grams. What happened to…
50 grams of water reacts with 231 grams calcium to produce calcium hydroxide. What would the mass of the calcium hydroxide be?
Given the following equation: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (l) How many moles of NH3 is required to produce 8.7 mol of H2O?
Given the following equation: 2 KClO3 → 2 KCl + 3 O2 How many moles of KClO3 are required to produce 14 mol of KCI?
Given the following equation: N2 (g) + 3 H2 (g) → 2 NH3 (g) How many moles of H2 are required if 21 mol of NH is produced?
Given the following equation: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (l) How many moles of NH is required to produce 25.2 grams of H2O?
When equal masses of the following compounds undergoes complete combustion, which chemicals will produce the least CO2? 1 being the least and 4 being the greatest. Cyclohexane, C6H12 Benzene, C6H6 Glucose, C6H12O6 Methane, CH4
Describe with a diagram how a soap or detergent can remove soil from clothing
Given the following equation: 4 NH3 (g) + 5 O2 (g) → 4 NO(g) + 6 H2O (l) How many grams of H2O is produced if 51.1 grams of O2 reacts?
Classify the reaction endothermic or exothermic and give the change in enthalpy of the reaction. CH3OH (l) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (g) H = - 673 kJ Is the heat energy in the reaction absorbed or released? Will this make the reaction endothermic or exothermic? Will the…
Classify the reaction endothermic or exothermic and give the change in enthalpy of the reaction. C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4H2O (g) + 2800 kJ
The combustion of pentane releases 3650 kJ/mol of pentane (C5H12) Determine the mass of pentane needed to release 835 kJ of heat.
Determine the volume of carbon dioxide produced at 26 °C and 745 mmHg when combustion of heptane releases 387 kJ of heat. C7H16(l) + 11O2(g) → 7CO2(g) + 8H2O(l) H = 4351 kJ
are confusing 2. Points \( J(2 ; 1), K(6 ; 4), L(9 ; 0) \) and \( M(5 ;-3) \) are given a) Show that JKLM is a rhombus b) is JKLM a square? Justify your answer.
24. La parte superior de una alberca está a nivel del suelo. \( \mathrm{Si} \) la alberca tiene \( 2.00 \mathrm{~m} \) de profundidad, ¿cuán lejos bajo el nivel del suelo parece ubicarse el fondo de la alberca cuando a) la alberca está completamente llena con agua y b) la alberca está llena a…
Determine the volume of carbon dioxide produced at 24 °C and 775 mmHg when combustion of octane releases 280 kJ of heat. 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H20(l)
BONUS problem The \( \mathrm{pH} \) rate profile for the hydrolysis of the acetate " \( \mathrm{A} \) " is shown below. This reaction produces two different products: the first product dominates at \( \mathrm{pH}<4 \) and \( \mathrm{pH}>11 \), while second product is the major one at \(…
2. In aqueous solutions at \( \mathrm{pH}>9,3 \)-oxobutyl acetate undergoes rapid elimination of acetate producing butanone (a.k.a. methyl vinyl ketone, MVK). This reaction proceeds via \( \mathrm{E} 1 \) ?? mechanism as shown below. The first step is rate limiting in this process (so- Using…
What element is reduced in the following reaction? 2Li(s) + Cl2(g) > 2LiCl(s) A. Cl B. Neither. This is not a Redox Reaction C. Li
What element is reduced in the following reaction? Zn(s) + Br2(l) > ZnBr2(s) A. Zn B. Br C. Neither. This is not a Redox reaction
Review Question 1 Which two statements are both true? \( \overleftrightarrow{H B} \perp \overleftrightarrow{A C} \) and \( \overleftrightarrow{F G}|| \overleftrightarrow{D E} \) \( \overleftrightarrow{F G} \perp \overleftrightarrow{H B} \) and \( \overleftrightarrow{A C} \perp…
What chemical reaction is represented by the following half-reaction? S(g) + 2e- > S2-(aq) A. oxidation B. combination C. decomposition D. replacement E. reduction
What chemical reaction is represented by the following half-reaction? Cl2(g) + 2e- > 2Cl-(aq) A. oxidation B. combination C. decomposition D. replacement E. reduction
Fill in the missing number of electrons for each of the following half-reactions. Co3+(aq) + _______ e- > Co(s) Cu(s) > Cu+(aq)+ ________ e-
The loss of electrons is called _________. When a substance loses electrons, the oxidation state _________
Given the ionic chemical formulas below, determine oxidation state of the cation and anion. Enter your answer as direction followed by magnitude (i.e. -1, +2, etc) What is the cation and oxidation state of Ag3P, PbO, BaBr2, KCl, NiP?
IV. Study the following Fischer projections to answer the questions below. galactiose mannose a. Is galactose a D-sugar or an L-sugar? b. Is mannose a D-sugar or an L-sugar? c. Are these two carbohydrates enantiomers? If not, in how many places do they differ? d. What is the term to describe…
Uppgift 4 Vailj det alternativ som bäst motsvarar den givna beskrivningen/svarar på frågan. Motivering krävs ej! a) Är en kiral molekyl. (1 p, mål 5) (A) (1 p, mål 5) b) Har en dubbelbindning med Z-konfiguration. c) Är det stereokemiska förhållandet mellan de utritade molekylerna. (1 p, mål…
5. Amati rangkaian alat di bawah ini ! Jelaskan spek dan fungsi komponen-komponen alat di
Choose reagents from the following list which will lead to an effective synthesis as shown below. List the letters for each reagent, in the correct order, with no spaces or commas between them (for example, CG represents a two-step synthesis that begins with reagent C and concludes with reagent…
Starting from 1-hexene, what is the product of the following reactions? 1. Br2, CCl4 2. xs NaNH2, then H2O 3. H2SO4, HgSO4 Select answer from the options below The skeletal structure of a molecule with a SMILES string of C=C(O)CCCC is shown. The skeletal structure of a molecule with a…
Write the Spelling Word that fits each clue. Homophones Lesson 30 1. mailed \( \qquad \) 2. in addition or also \( \qquad \) 3. light-colored \( -140 \) 4. toward \( \qquad \) 5. one less than three \( \qquad \) + wo 6. a bucket \( \qquad \) pail 7. an odor or fragrance \( \qquad \) 8. shows a…
Predict the major product of the following reaction sequence: A reaction is shown. The reagent is a molecule with a SMILES string of CCCCC#C, a reaction arrow is shown with N a N H 2 in a first step, C H 3 C H 2 C H 2 C H 2 O T s in a second step, R 2 B H in a third step, and H 2 O 2, N a O H…
Starting from 1-hexene, what is the product of the following reactions? 1. Br2, CCl4 2. xs NaNH2, then H2O 3. NaH 4. BrCH2CH2CH3 Select answer from the options below 2-heptyne 4-nonyne 3-nonyne 1-hexyne 2-bromo-2-hexane
What is the product of the following multi-step reaction? A string of reactions is shown. The starting reagent is a molecule with a SMILES string of CC(C)(C#C)O, a reaction arrow is shown with excess N a H above, another reaction arrow is shown with excess C H 3 I above, and the product is…
The molecule is 3-tertbutyl 2-propene. Explain using molecular orbital theory why the following molecule will NEVER be substituted at the carbon number 2.
Show how you could prepare each of the following compounds from ethyl acetoacetate and any necessary organic or inorganic reagents: 1) 3-Phenylpentanoic acid 2) 4-Ethyl-2-heptanone
4-Ethyl-2-heptanone ارسم
- You do not have to consider stereochemistry. - You do not have to explicitly draw H atoms.
Use the References to access important values if needed for this question. Draw the structure of the organic product of the following dehydration reaction. If more than one organic product can be formed, draw only the structure of the major product. CH3-CH(CH3)-CH2OH --(H2SO4, heat)--> ? -…
Use the References to access important values if needed for this question. Draw the structure of the organic product of the following dehydration reaction. If more than one product is possible, draw only the structure of the major product. CH3-CH(CH3)-CH2OH --H2SO4, heat--> ? - You do not have…
Methylprednisolone comes in a 125 mg vial. It will be reconstituted with 2 mL of 0.9% sodium chloride. What is the concentration (in mg/mL) of the vial after reconstitution?
William Banting? popularized a diet that eliminated sugar and starchy foods. showed that foods high in B vitamins were the key to weight control. None of these responses is correct. was the first person to show that exercise was important for weight control. found that a low fat…
Draw the organic product(s) of the following reaction.
Which of the following statements concerning weight loss is correct? A low carbohydrate diet is the best way to lose weight because the body will then burn fat for energy. None of these statements is correct. A serving of fat or carbohydrate rated the same as having the same calorie content…
using dimensional analysis, convert 190mmHG to kilopascals
How many total peaks (phased either "up" or "down") would appear in the proton-decoupled DEPT-135 spectrum of dimethyl 3,4,5,6-tetraphenylphthalate?
Correct the following, there are two mistakes: [ xrightarrow{substack{mathrm{Na}_{2} mathrm{Cr}_{2} mathrm{O}_{7} \ mathrm{H}_{2} mathrm{SO}_{4}}} ] ( mathrm{TsOH} ) ( mathrm{NH}_{3} )
Are the following below (R, S, E, Z), cis, trans, or none? 1. 2. 3. 4.
Name the structure: Draw the structure: (Z)-3-methoxypent-2-ene
Show the mechanism:
Show the mechanism and product:
which of the following is true about the work of Brown and Goldstein 1985 nobel winners in medicine? -Their work led to the discovery of cholesterol reducing drugs -brown and Goldstein were the first novel winners -they discovered a proper diet to reduce saturated fats -none of the…
What mass of hydrogen gas will occupy a volume of 23.8 L at 24.2 °C and a pressure of 0.530 atm?
A manometer indicates a pressure of 0.02000 atm. Calculate the pressure in mmHg.
The barometric pressure of an airplane cruising at 36,000 feet is 24.7 kPa. Calculate the pressure in mmHg
An octapeptide has the composition Ala2, Gly2, Phe2, Ser2. The N-terminal unit is Ala. Cleavage of the octapeptide by chymotrypsin gives a single tetrapeptide, having Ala as its N-terminal group. Among the products of random hydrolysis is a Phe-Ala-Gly tripeptide fragment. What is the primary…
write the chemical mechanism when Ninhydrin reacts with Isoleucine
What volume (mL) of 0.200 M Cu(ClO4)2 solution is needed to provide 2.41 × 10-5 mol Cu(ClO4)2?
(c- 6 points) Draw the two chair conformers of each of the following, and indicate which one is more stable: a. trans-1-ethyl-2-isopropylcyclohexane b. cis-1-ethyl-4-isopropylcyclohexane
(b - 6 points) Using Newman projections, draw the most stable conformer. a. 3-methylpentane, viewed along the C2-C3 bond b. 3,3-dimethylhexane, viewed along the C3-C4 bond.
Write the half-reaction corresponding to the description below: Oxidation of Tin metal to aqueous tin (IV) ions
Calculate the volume of 0.7726 M HBr needed to completely neutralize 24.00 mL of 0.7106 M Ni(OH)3
Question 27 of 58 Submit The structure of cocaine is shown below. Which of the following functional groups is indicated by the box?
50 grams of water reacts with 231 grams calcium to produce calcium hydroxide. What would the mass of the calcium hydroxide be?