Simple Gas Laws Practice Problems

A scuba diver’s gas tank contains air at 3.5 atm in a volume of 10.0 L. If the air expands to 25.0 L, what is the new pressure?

• 1.4 atm

• 2.0 atm

• 3.5 atm

• 8.75 atm

A gas sample has a volume of 500 mL at a pressure of 1.2 atm. If the pressure increases to 2.4 atm, what is the new volume of the gas?

• 250 mL

• 600 mL

• 1000 mL

• 1200 mL

A balloon with a volume of 1.2 L is cooled from 300 K to 150 K. What is the new volume of the balloon?

• 0.6 L

• 2.4 L

• 1.8 L

• 1.0 L

A syringe contains 40.0 mL of gas at a pressure of 0.85 atm. The plunger is pushed in, reducing the volume to 25.0 mL. What is the new pressure of the gas?

• 1.36 atm

• 0.53 atm

• 0.85 atm

• 1.02 atm

A gas in a cylinder has a volume of 500 mL at a temperature of 0°C. If the temperature is increased to 310 K, what will the new volume be?

• 500 mL

• 568 mL

• 750 mL

• 250 mL

A gas sample at 1.5 atm occupies 750 mL. What pressure is needed to compress it to 300 mL?

• 0.6 atm

• 1.0 atm

• 3.0 atm

• 3.75 atm

A sealed container has a gas at 2.0 atm and 300 K. If the temperature increases to 600 K, what is the new pressure?

• 1.0 atm

• 2.0 atm

• 4.0 atm

• 6.0 atm

A gas at 27°C has a pressure of 1.5 atm. What will the pressure be if the temperature increases to 127°C?

• 1.5 atm

• 2.0 atm

• 2.5 atm

• 3.0 atm

A gas in a tank is at 5.0 atm and 400 K. What will its pressure be if the temperature drops to 200 K?

• 2.5 atm

• 10 atm

• 1.25 atm

• 5 atm