# Gas Laws

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1.
1 point
Calculate how much faster fluorine gas, F2, will effuse than chlorine gas, Cl2.
2.
1 point
At constant pressure and 25 °C a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?
3.
1 point
Which of the following represent an equality that is TRUE?
4.
1 point
Under what conditions of temperature and pressure is the behavior of real gases most like that of ideal gases?
5.
1 point
A Kelvin temperature that is equivalent to 500 °C is:
6.
1 point
"Absolute zero" is equal to:
7.
1 point
What is the pressure (in atm) exerted by 32 g of O2 in a 22.0 L container at 30.0 C?
8.
1 point
Standard pressure is equal to:
9.
1 point
A gas has a volume of 450. mL at 30.5 psi. What volume would the gas occupy if the pressure was changed to 1.0 atm?
10.
1 point
A mixture of gases at a total pressure of 95 kPa contains N2, CO2 and O2 gases. The partial pressure of the CO2 is 24 kPa and the partial pressure of the N2 is 48 kPa. What is the partial pressure of the O2?
11.
1 point
The safefty limit for a certain can of aerosol spray is 95C. If the pressure of the gas in the can is 2.96 atm when it is 17 C, what will the pressure be at the safety limit?
12.
1 point
Helium gas is collected over water at 25 C. What is the partial pressure of the helium gas, given the total pressure is 750.0 mmHg? The partial pressure of water at 25 C is 23.8 mmHg.
13.
1 point
A container filled with helium gas has a pressure of 127.5 kPa at a temperature of 290.K. What is the temperature when the pressure is 3.51 kPa?
14.
1 point
Organize the following gases in order of their rates of difusion, from slowest to fastest:

◦oxygen, O2

◦ammonia, NH3

◦hydrogen, H2

◦carbon dioxide, CO2
15.
1 point
An air filled balloon has a volume of 225 L at 0.941 atm and 25 C. Soon after, the pressure changes to 0.99 atm and the temperature changes to 0 C. What is the new volume of the balloon?
16.
1 point
Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time?
17.
1 point
A gas has a volume of 590 mL at a temperature of -55.0 C. What volume will the gas occupy at 30.0 C?
18.
1 point
Which of the following is a valid pair representing STP?
19.
1 point
Which of these changes would NOT cause an increase in the pressure of a contained gas?
20.
1 point
Which of the following is constant for 1 mole of any ideal gas?