Gas Law Quiz

Convert 3800 mmHg into kPa with correct significant figure

• 506.5 kPa

• 510 kPa

• 501 kPa

• 507 kPa

Convert 3.55 atm to torr. Remember your significant figures!

• 2698 torr

• 2.70 torr

• 2.70*10^3 torr

• 2.698*10^3 torr

A sample of carbon dioxide occupies a volume of 3.50 liters at 125 kPa pressure. What pressure would the gas exert if the volume was decreased to 2.00 liters?

• 219 KPa

• 222 KPa

• 567 KPa

• 654 KPa

A sample of oxygen gas occupies a volume of 250.mL at 740. torr pressure. What volume will it occupy at 800. torr pressure?

• 266 ML

• 245 ML

• 231 ML

• 217 ML

If 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the volume will be

• 250 mL
• 204 mL
• 196 mL
• 160 mL

A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -

• 400 milliliters.
• 300 milliliters.
• 100 milliliters.
• 200 milliliters.