Name ______Date ______Per ______
Gas Law Test Review
1. List the three main ideas behind the kinetic theory (refer to Chapter 10).
2. What happens to the average kinetic energy of a substance when the temperature is raised? Temperature lowered?
3. Define absolute zero and what happens to particles at absolute zero.
4. Explain what happens to pressure when volume is reduced. When volume is increased.
5. What happens to the temperature of a gas when volume is reduced. When volume is increased.
6. If the temperature of a gas is increased what happens to the pressure?
7. Under what conditions of temperature and pressure is the behavior of real gases most like that of ideal gases?
8. In terms of gases, what is pressure? What are the units of pressure?
9. In terms of gases, what is volume? What are the units?
10. What is the unit for temperature when dealing with gas laws?
Calculations: Combined Gas Laws
11. A sample of neon gas occupies a volume of 3.0 L at 0.899 atm. What will its volume be at 0.994 atm?
12. Balloon full of air has a volume of 1.54 L at a temperature of 14˚C. What is the balloon’s volume at 32˚C?
13. A mylar balloon is filled with helium gas to a pressure of 190 kPa when the temperature is 45˚C. If the temperature changes to 21˚C, what will be the pressure of helium in the balloon?
14. A sample of hydrogen gas has a volume of 105 mL at a pressure of 0.992 atm and a temperature of 23˚ C. What volume will the hydrogen occupy at 0.984 atm and 17˚C?
Calculations: Ideal Gas Law : PV= nRT
15. A student pumps 0.772 mol of gas into a cylinder at a pressure of 1.09 atm at a temperature of 302 K, what is the volume of the gas?
16. How many moles of gas do we have if the pressure of the gas is 102 kPa and volume is 50 mL at a temperature of 34˚C?