AP Unit 3 Gas Law Review

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.

• 7.18 L 
• 7.81 L
• 4.63 L
• 4.36 L

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure.

• 37 K

• 110 K

• 207 K

• 310 K

What does R stand for

• Ideal gas constant

• Real gas constant

• Temperature constant

• Ideal gas law

What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT

• 14.19 atm
• 16.53 atm
• 18.42 atm
• 22.54 atm

At 17 °C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atmospheres. What is the volume of the container?

• 22.9 Liters
• 2355 Liters
• 0.0630 Liters
• 15.9 Liters

A 1.8 L container will hold about 5 g of which of the following gases at 0°C and 1 atm?

• SO₂

• CO₂

• N₂

• NH₃

Questions refer to three gases in identical rigid containers under the conditions given in the table. The density of the gas, in g/L, is

• greatest in container A

• greatest in container B

• greatest in container C

When a sample of oxygen gas in a closed con­tainer of constant volume is cooled until its abso­lute tem­pera­ture is decreased by half, which of the follow­ing is also decreased by the same percent?

• The density of the gas

• The pressure of the gas

• The average velocity of the gas molecules

• the potential energy of the molecules

When 8.0 L of He(g), 10.0 L of N2(g), and 16.0 L of Ar(g), all at 0°C and 1.0 atm, are pumped into an evacuated 8.0 L rigid container, the final pressure in the container at 0°C is

• 0.5 atm

• 1.0 atm

• 2.5 atm

• 4 atm

Four different gases at 273 K. The samples are in four identical rigid containers numbered 1 through 4. On the basis of the data provided above, the gas in container 3 could be

• CH₄

• O₂

• Ar

• NO₂