Gas Laws Review - Concepts and Calculations

Check which variables are involved in gas laws.

• volume

• moles

• time

• temperature

• pressure

Which of the following are units of pressure?

• atm

• mmHg

• mL

• psi

• torr

Which of the following are units of volume?

• atm

• mmHg

• mL

• L

• cups

Which of the following are units of temperature?

• Kelvin

• mmHg

• mL

• Celsius

• psi

If you decrease the pressure when temperature is constant, what happens to the volume?

• increase

• decrease

• remain the same

• not enough information

If you increase the temperature when volume is constant, what happens to the pressure?

• increase

• decrease

• remain the same

• not enough information

If you decrease the temperature when pressure is constant, what happens to the volume?

• increase

• decrease

• remain the same

• not enough information

If you add more moles to a system when temperature and pressure are held constant, what happens to the volume?

• increase

• decrease

• stay the same

• not enough information

To use gas law formulas, the temperature must be in __________.

• Fahrenheit

• Celsius

• Kelvin

• Liters

Find the new volume that 0.15 moles will occupy if 0.3 moles takes up 8mL of space.

• 4 mL

• 16 mL

• 0.4 mL

• not enough information