Chapter 14 Reading Guide Name ____________________________________

Section14.1

1. What is compressibility?
Why are gases compressible?

2. How far apart are molecules at room temperature?

3. What were the three assumptions about gas molecules in the kinetic theory?

4. What four variables are needed to completely describe a gas?

5. What keeps the raft inflated?

6. What happens to the pressure when gas is added to a rigid enclosed container?

7. How does a can of spray paint work?

8. What does reducing the volume of a gas do?

9. What happens to the pressure when the temperature is raised?

10. Why does this happen?

Section 14.2

1. What is Boyle’s Law in words?

2. What is an inverse relationship?

3. What is Boyle’s Law as an equation?

4. What is Boyle’s Law as a graph?

5. What is Charles’s Law in words?

6. What is Charles’s Law as a graph?

7. What is Charles’s Law as an equation?

8. What is a direct relationship?

9. What is Gay-Lussac’s Law in words?

10. What is Gay-Lussac’s Law as an equation?

11. What kind of calculations can you do with the combined gas law?

12. What is the combined gas law?

13. What happens when you hold temperature constant?

14. How can you get Charles’s Law?

Section 14.3

1. What does the combined gas law assume?

2. What is n?

3. What is moles proportional to?

4. What is the ideal gas constant?

5. What is the ideal gas law?

6. What is an ideal gas?

7. Why doesn’t an ideal gas exist?

8. When do real gases behave like ideal gases?

9. What two forces explain the deviations of real gases?

Section 14.4

1. What causes gas pressure?

2. What does pressure depend on?

3. What is not important in determining pressure?

4. What is partial pressure?

5. What is Dalton’s law in words?

6. What is Dalton’s law as an equation?

7. How does the fraction of the pressure change as the total pressure changes?

8. Why do climbers need oxygen?

9. What is diffusion?

10. What is effusion?

11. What determines how fast a gas effuses and diffuses?

12. What is Graham’s Law of effusion?

13. How do objects with different masses have the same kinetic energy?

14. How is Graham’s law written as an equation?

15. Why does the helium balloon go flat?