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A gas in a container at constant V has a collision rate of 1.0 X 10^6 collision/s. At 40K. If the temperature is lowered to 20K, what will the collision rate be?
Assume that an air conditioner consumes 1.50 X 103 W of electrical power, and that it can be idealized as a reversible Carnot refrigerator. If the coefficient of performance of this device is 2.50, how much heat can be extracted from the house in ..
Show how you would synthesize di-tert-butyl ether from any starting material you would like that contains four or fewer carbons
Sketch the phase diagram of the system NH3/N2H4 given that the two substances do not form a compound with each other, that NH3 freezes at -78°C and N2H4 freezes at +2°C, and that a eutectic is formed when the mole fraction of NH is 0.07 and that t..
Explain what products would you observe if you tried to prepare a Grignard reagent from 4-bromo1-butanol. They give us a hint that says 4-hydroxybutylmagnesium bromide isn't the final product.
Problem- Two 50.0 mL solutions at 289.6K are mixed and the temperature increases to 335.4K. What is the value of qrxn in kilojoules. Density = 1.00 g/mL, C = 4.18 J/gK Make sure your sign is correct.
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 98K and 2.0 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature
A sample of gas in a balloon has an initial temperature of 3degrees celsius and a volume of 1740 L. If the temperature changes to 88 degrees celsius , and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas
A doctor has ordered that a patient be giving 25 grams of glucose, which available in a concentration of 55.00 grams glucose/1,000.0 ml of solution.
Molecular orbital templates for diatomic molecules from the 2nd period elements are attached to the back of the exam. Use the appropriate diagram to determine the bond order in the O2+ ion.
if 5.77 g of S is reacted with 10.0 g of O2, how many grams of SO3 will be produced?
using a sample of gas where 2.0 atmnbsp is the pressure exerted by a gas while it has a volume 350 cm3 now you need to
the empirical formula of a group of compounds is chcl. lindane a powerful insecticide is a member of this group. the
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