Gas Law Practice

If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature, what is the new volume?

• 23.2

• 21.8

• 0.0431

• 0.0459

A gas with a volume of 4.0 L at a pressure of 205 kPa is allowed to expand to a volume of 12.0 L. What is the pressure in the container if the temperature remains constant?

• 68.3

• 0.0146

• 615

• 0.00163

What pressure is required to compress 196.0 liters of air at 1.00 atmosphere into a cylinder whose volume is 26.0 liters?

• 7.54

• 0.133

• 0.0385

• 1.96E-4

A 40.0 L tank of ammonia has a pressure of 12.7 kPa. Calculate the volume of the ammonia if its pressure is changed to 18.3 kPa while its temperature remains constant.

• 27.8

• 57.6

• 0.172

• 0.036

Calculate the new temperature when 6.00 L at 20.0 °C is compressed to 4.00 L.

• 195

• 0.00512

• 440

• 0.00228

A container containing 5.00 L of a gas is collected at 100 K and then allowed to expand to 20.0 L. What must the new temperature be in order to maintain the same pressure (as required by Charles' Law)?

• 400

• 1492

• 25

• 1

A gas occupies 900.0 mL at a temperature of 27.0°C. What is the volume at 132.0°C?

• 1215

• 667

• 135

• 4400

If 15.0 liters of neon at 25.0°C is allowed to expand to 45.0 liters, what must the new temperature be to maintain constant pressure?

• 894

• 99.3

• 2.27

• 75

A sealed container has a pressure of 1.5 atm at 25°C. If the temperature is raised to 125°C, what will be the new pressure?

• 2

• 1.12

• 7.5

• 0.3

Calculate the new temperature when a container of gas has a pressure of 795 mm Hg at 273 K and the pressure is lowered to 358 mm Hg.

• 123

• 606

• 0.00165

• 246