Ideal Gas Law Practice Worksheet

Solve the following problems using the ideal gas law: How many moles of gas are needed to occupy 120 liters at a pressure of 2.3 atmospheres and a temperature of 340 K?

• 0.5 moles

• 9.88 moles

• 2.0 moles

• 3.0 moles

Solve the following problems using the ideal gas law: If I have a 50-liter container that contains 45 moles of gas at a temperature of 200°C, what is the pressure inside the container?

• 1.5 atm

• 2.5 atm

• 3.5 atm

• 4.5 atm

Solve the following problems using the ideal gas law: It is not safe to put aerosol cans in a bonfire, because the pressure inside the cans becomes very high and they can explode. If I have a 1.0-liter can containing 2 moles of gas, and the temperature of the bonfire is 1400° C, what is the pressure inside the can?

• 10.2 atm

• 274.7 atm

• 30.6 atm

• 40.8 atm

How many moles of gas are in a 30-liter diving cylinder if the temperature of the cylinder is 300 K and the pressure is 200 atmospheres?

• 20 moles

• 243.6 moles

• 30 moles

• 40 moles

Solve the following problems using the ideal gas law: I have a balloon that can hold 100 liters of air. If I inflate this balloon with 3 moles of oxygen gas at a pressure of 1 atmosphere, what is the temperature of the balloon?

• 273 K

• 406 K

• 400 K

• 500 K

At 17 °C, a sample of 0.80 moles 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

What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20⁰C and 1.2 atm?

• 106.55 K

• 64.15 L

• 53.3 L

• 293 K

A balloon is filled with 0.250 moles of air at 308 K. If the volume of the balloon is 6.23 liters, what is the absolute pressure of the air in the balloon in kPa?

• 1.0 kPa

• 1.03 kPa

• 10.3 kPa

• 103 kPa

A 2.5-liter gas sample is at STP. When the temperature is raised to 273°C and the pressure remains constant, what will be the new volume of the gas?

• 1.25 L

• 2.5 L

• 10 L

• 5.0 L

What volume will 0.0591 moles of gas occupy at a temperature of 25.0 °C and a pressure of 0.250 atm?

• 5.78 L

• 0.485 L

• 2.52 L

• 3.06 L

• 0.291 L