Gas Laws Test

A quantity of gas has a volume of 250 L, at 290 K and a pressure of 303.98 kPa. What volume should the gas have to be at 273 K and 101.33 kPa?

• 78.4 L

• 88.5 L

• 706 L

• 771 L

A gas is heated from 263K to 298K. The volume increases from 24.0L to 35.0L. If the original pressure was 101.33 kPa, what is the new pressure?

• 78.7 kPa

• 167.2 kPa

• 129.7 kPa

• 61.8 kPa

A gas has an initial volume of 3.0 L and an initial pressure of 1.5 atm. If the volume increases to 6.0 L, what is the final pressure?

• 0.75 atm

• 1.5 atm

• 3.0 atm

• 6.0 atm

A gas occupies a volume of 600 mL at a pressure of 1.0 atm. If the pressure increases to 1.5 atm, what is the new volume of the gas, assuming the temperature remains constant?

• 400 mL

• 900 mL

• 300 mL

• 200 mL

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

• 250 mL

• 204 mL

• 196 mL

• 160 mL

To convert to Kelvin, ______ is added to the measurement in Celsius.

• 372

• 273

• 237

• 732

(Charles's Law) There are 65 liters of helium in a balloon at 35 K. If the temperature of the balloon increases to 40 K, what will be the new volume of the balloon?

• 40 L

• 70 L

• 74.3 L

• 75.9 L

A gas occupies 4.98 L at 2.6 atm pressure. What volume does it occupy at 1.8 atm pressure?

• 12.9 L

• 0.72 L

• 7.2 L

• 3.44 L

What causes pressure?

• The walls of the container

• The vacuum in the container

• The collisions of the particles

• The atmospheric pressure acting on the outer walls

Match the unit to the variable.

• mmHg

• Volume
• mL

• Temperature
• K

• Pressure