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1. Which law does the equation PV=constant represent? a.Avogadro's Law b. Boyle's Law c. Charle's Law...

1. Which law does the equation PV=constant represent?

a.Avogadro's Law

b. Boyle's Law

c. Charle's Law

d. Graham's Law

2. Which postulate from the kinetic molecular theory is most relevant to explain rms speeds?

a. the average kinetic energy is proportional to the temperature

b. collisions of gas particles are elastic

c. the volume of the particles is negligible comapred to the volume of the gas

d. gas particles move in random straight line motion

3. Which of the follow gases has the highest average speed at 25oC? (Please explain how to do)

a. O2

b. He

c. NH3

d. CH4

4. What is the pressure of the gas inside the apparatus if the outside pressure is 736mmHg and the difference in mercury levels is 18mmHg? (Please explain how to do)

a. 18mmHg

b. 718mmHg

c. 736mmHg

d. 754mmHg

5. The mixing of different gases by random molecular motion with frequent collisions is called

a. Avogadro's Law

b. Dalton's Law

c. diffusion

d. effusion

6. If CO2 and NH3 are allowed to effuse through a porous membrane under identical conditions, the rate of effusion for NH3 will be ______ times that of CO2 (Please explain how to do it)

a. 0.39

b. 0.62

c. 1.6

d. 2.6

7. Which is the smallest of the following Ions?

a. Li+

b. B3+

c. N3-

d. F-

8. Real gases deviate most from ideality at

a. low P and low T

b. high P and low T

c. low P and high T

d. high P and high T

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