Gas Laws Quiz

Boyle's Law demonstrates the ________________ relationship between pressure and volume of gases.

• Direct

• Indirect

• Complicated

• Mathematical

Assuming pressure of the gas remains constant, Charles' Law states that if the temperature of a gas is increased the volume will _______________.

• Stay the same

• Fluctuate

• Increase

• Decrease

When the temperature of a gas is decreased the kinetic energy of the molecules __________________.

• slows down

• speeds up

• becomes erratic

• stops completely

STP stands for:

• Stupid Pizza

• Salad Toppings

• Stops the Pressure

• Standard Temperature and Pressure

STP is equal to:

• 273K and 1 atm

• 293K and 1.5 atm

• 300K and 1 atm

• 273K and 2 atm

Equal volumes of different gases contain the same number of molecules.

• True

• False

When the pressure of a gas is decreased the volume will ____________.

• decrease

• increase

• remain the same

• vary

To convert from degrees Celsius to Kelvin one must:

• Add 273

• Subtract 273

• Add 300

• Subtract 293

A 50 mL sample of gas has an initial pressure of 2.0 atm. The pressure is then increased to 4.0 atm. What will the new volume be?

• 25mL

• 20mL

• 5mL

• 15mL

A 20L sample of gas at STP is heated to 500K. What is the volume of the gas when it reaches 500K?

• 37L

• 45L

• 25L

• 53L