Questions asked
1. What makes NMR spectroscopy unique for food analysis? A. It uses very high pressure B. It analyzes molecular structure using magnetic fields C. It burns samples D. It detects UV absorption
Select the FALSE statement/s: Group of answer choices A) The motor (efferent) division of the PNS consists of the somatic nervous system and the autonomic nervous system. B) A skeletal muscle contraction is reduced if the sarcomeres in the skeletal muscle are stretched prior to the contraction. C) High dose of of a Na+ channel blocker prevents the generation of an action potential. D) During the hyperpolarization phase of the action potential, voltage-gated K+ channels are open, the Na+ activation gate is closed and the Na+ inactivation gate is open. E) None of the above
6 2 points Write the equilibrium constant expression, Kc, for the following chemical reaction. PbO(s) + CO(g) Pb(l) + CO2(g) Edit Format Table 12pt Paragraph BIUAT I く To√
China is the largest economy in the world with 12.24 trillion in GDP for 2017 true or false
Which of the following do you suppose was the independent variable for this experiment? Behavior of the offspring Diet of the offspring Maternal obesity Obesity in the offspring SUBMIT
Suppose that X takes on the values -1, 0, and 1 with probabilities 1/8, 6/8, and 1/8, respectively. Then $\mu$ = 0 and $\sigma^2$ = 1/4. For $k$ = 2, $P[-2(0.5) < X - 0 < 2(0.5)] = P[-1 < X < 1]$ $= P[X = 0]$ $= \frac{3}{4} = 1 - \frac{1}{k^2}$
You are a new coffee barista and your first order is an iced coffee. You bring the customer 72g of coffee mixed with 455g of ice at 0°C. Upon giving the customer their coffee, they say they meant to order the same drink hot. Instead of making a new drink, you simply microwave their iced coffee until it reaches the company-approved temperature of 85°C. (Coffee is just water soaked in beans; treat coffee as normal water for this question.) a) How much energy added as heat is required to turn the iced coffee into hot coffee? b) Your microwave has a power rating of 1337 Watts. How long do you microwave the coffee for? Reminder 1 W = 1 J/s c) You bring this “new” coffee to the customer, but they realized it is a hot day and don’t want to overheat. They demand you reduce the coffee’s temperature to exactly 84.01°C. You take the coffee and begrudgingly begin adding ice chips to now reduce the coffee’s temperature. If each ice chip is 0.05g at -5°C, how many chips do you need to add to the coffee? Round to the nearest whole number.
IIROC sets limits on the amount an investor can borrow to buy on margin. This amount is currently set at __ of the purchase price for shares listed at $2 or more. Options: a) 60% b) 50% c) 80%
Problem A: Using the example in class [Example: A segment of a blade-fit in a turbine is subjected to a temperature of 1050°F at a nominal constant stress level of 20ksi. Find the time to rupture for this component provided that creep-rupture relationship for this material is given as: $\sigma = 117.54 - 0.0115 (LMP)^{2.5}$; Also, LMP for this is based on: $LMP = T(20+\log t_R)$ [note: units are in ksi, deg-Rankine and hours] Do the following: a) plot remaining life vs. temperature for the range between 1000°F to 1100°F b) Plot remaining life vs. stress for the range between 15ksi to 25ksi c) Discuss your results
Suppose that the negative charge in a copper one-cent coin were removed to a very large distance from Earth - perhaps to a distant galaxy - and that the positive charge were distributed uniformly over Earth's surface. By how much would the electric potential at the surface change? (See Sample Problem 22-7 in the problem supplement. By taking the mass of a penny to be 3.11 g, the positive or negative charge is found to be 1.37×10^5 C)
