Gas Behavior Practice Questions

1.

Which statements about the thermosphere are true?

(check all that apply)

 
 
 
 
 
 

Question 1 of 15

2. If the pressure of a gas sample gets 7 times higher, what happens to its volume?

(Check each true statement)
 
 
 
 
 
 

Question 2 of 15

3. A gas expands (volume increases). What is happening with its molecules to change its pressure?

(check all that apply)
 
 
 
 
 
 

Question 3 of 15

4. 3.0 L of a gas start out with a pressure reading of 120 kPa. When the volume is reduced to 2.0 L, what is the new pressure?
 
 
 
 

Question 4 of 15

5. If a gas has a constant volume and its temperature triples, what happens to the pressure of the gas?
 
 
 
 

Question 5 of 15

6. A balloon has a starting volume of 6 L.

Then the balloon’s temperature is tripled, and its pressure is cut in half.

What is the new volume of the balloon?
 
 
 
 

Question 6 of 15

7. When a balloon is heated, it expands. During this process, the pressure outside the balloon is constant at 1 atm. What is happening with the molecules to cause the balloon to get bigger?

(Check all that apply)
 
 
 
 
 

Question 7 of 15

8.

A gas in a constant volume container has a starting temperature of 200 K, and it is at atmospheric pressure. If the temperature is increased to 800 K, what is the new pressure?

 
 
 
 

Question 8 of 15

9. When moist air rises to form clouds, what is happening with the air molecules?

(Check all that apply)
 
 
 
 
 
 
 
 

Question 9 of 15

10. Which atmospheric layer do we live in?
 
 
 
 
 

Question 10 of 15

11. Which of these temperatures is the coldest?
 
 
 
 

Question 11 of 15

12. If marshmallows are put in a vacuum chamber and the vacuum pump is turned on, the marshmallows will expand. During this process, what is happening with the air molecules outside the marshmallows (but inside the glass chamber)?

Vacuum Marshmallow Man(Check all that apply)
 
 
 
 
 
 

Question 12 of 15

13. Which layer of our atmosphere is warmed up because it absorbs ultraviolet radiation?
 
 
 
 
 

Question 13 of 15

14. If a gas sample has a starting temperature of 27 °C and its volume is doubled, what would the new temperature be?
 
 
 
 

Question 14 of 15

15. When you breathe in, what happens with the air molecules in your lungs?

(check all that apply)
 
 
 
 
 

Question 15 of 15