DE_Unit 5_Gas Laws_F2021

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase
• Decrease
• Nothing
• Explosion!

If a nitrogen gas occupies a volume of 500ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?  

• 323.6 ml
• 728.25 ml
• 772.39 ml
• None of the above

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 gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC.  What is the new volume of the gas?

• 60.0 mL
• 15.0 mL
• 27.5 mL
• 32.5 mL

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• 157.5⁰C

• 57.5 K

• 330.5 K

• 330.5⁰C

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C? Assume volume remains constant

• 0.9 atm

• 2.3 atm

• 1.6 atm

• 3.4 atm

The volume of a gas is 27.5 mL at 22.0°C, and 0.974 atm. What will the volume be at 15.0°C and 0.993 atm?

• 18.32 mL
• 26.2 mL
• 0.081 mL
• 0.0003 mL

How many grams of CO gas will occupy a volume of 2.5 L, if 1.8 mol of CO gas occupies 3.6 L?

• 1.25 g

• 35 g

• 73 g

• 2.6 g

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• Pt = P1 + P2 + P3 + ...
• P1V1 = P2V2
• V1/T1 = V2/T2
• P1V1/T1 = P2V2/T2