Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
|
|
|
1.
|
Suppose the
temperature of the air in a balloon is increased. If the pressure stays the same, what must
change? a. | volume | c. | number of molecules | b. | adhesion | d. | compressibility | | | | |
|
|
|
2.
|
If 10.7 liters of
a gas at 35oC has its temperature increased to 50oC, what is the new volume?
a. | 11.2 L | b. | 7.30 L | c. | 15.9
L | d. | 10.2 L | | | | | | | | |
|
|
|
3.
|
A 15.0 liter gas
sample is heated from 29oC to 67oC at constant pressure conditions. Under these
conditions, which of the following statements is correct? a. | the number of moles of gas decreases | b. | the number of moles of gas increases | c. | the volume increases | d. | the volume decreases | e. | none of the above are correct | | |
|
|
|
4.
|
A sample of
CO2 gas occupies 3.0 L at 35oC and 1.0 atm. What is the new volume if the
temperature is changed to 48oC and the pressure is changed to 1.5 atm? a. | 1.9 L | b. | 2.1
L | c. | 3.0 L | d. | 4.3
L | e. | 4.7 L | | | | | | | | | | |
|