QUESTION 3


If the volume of a container is increased, the pressure of the gas in the container also increases (when the amount of gas and temperature are held constant).


TRUE


FALSE

2 points Save Answer

QUESTION 4


To keep the pressure and temperature of a gas constant, the volume of the gas canister must remain constant as additional moles of gas are added.


TRUE


FALSE

2 points Save Answer

QUESTION 5


If the moles and temperature of a gas are held constant, changes in the pressure and volume of the gas will be inversely proportional.


TRUE


FALSE

2 points Save Answer

QUESTION 6


If the moles and temperature of a gas are held constant, the pressure of a gas doubles when:


Volume is halved


Volume is quadrupled


Volume is doubled


Volume is also held constant

3 points Save Answer

QUESTION 7


A bike tire contains a fixed amount of gas at a constant pressure. Initially, the tire contains 4.00 iters of air at 26 degrees Celsius. When the temperature drops to 22 degrees Celsius, the volume of the bike tire will decrease to 3.95 liters.


TRUE


FALSE

2 points Save Answer

QUESTION 8


When using the ideal gas constant value, R = 0.0821, in an ideal gas law calculation, the units of temperature may be expressed as degrees Celsius or Kelvin.


TRUE


FALSE

2 points Save Answer

QUESTION 9


One mole of a gas has an initial pressure of 2.5 atmospheres, an initial volume of 12.0 liters, and an initial temperature of 150 Kelvin. What is the final temperature of a gas if the volume and the pressure are doubled?


75 K


300 K


600 K


1200 K

3 points Save Answer

QUESTION 10


Initially, a 4.0-liter compressible container of gas exerts a pressure of 2.08 atmospheres at a temperature of 275 Kelvin. What is the pressure when the container is compressed to 2.5 liters and has a temperature of 323 Kelvin?


1.5 atm


50 atm


3.9 atm


2.8 atm