Gas Laws Quiz 5/5/21

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

• 2.1 L

• 5.0 L

• 8.2 L

• 3.9 L

What is the pressure exerted by 5.00 moles of nitrogen gas contained in a 30.0 Liter container at 25.0 °C?

• 3670 atm

• 0.245 atm

• 4.08 atm

• 605 atm

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.

• 7.18 L 
• 7.81 L
• 4.63 L
• 4.36 L

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

• 1.8 atm

• 3.27 atm

• 1.8 L

• 3.27 atm

You accidentally leave a can of soda in the car on a hot summer day. What will happen to the volume of the

carbon dioxide in the soda?

• stays the same

• it decreases

• it increases

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

• Increase
• Decrease
• Nothing
• Explosion!

568 mL of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant? 

• 473 mL
• 682 mL
• 130 mL
• 568 mL

Each of these flasks contains the same number of molecules are at the same temperature. In which container is the pressure lowest?

• Flask 1
• Flask 2
• Flask 3
• Flask 4

Three gases, Ar, N₂ and H₂ are mixed in a sealed container. Ar has a pressure of 255 torr, N₂ has a pressure of 228 torr and H₂ has pressure of 752 torr. What is the total pressure in the container?

• 483 torr

• 270 torr

• 1240 torr

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under 0.998 atm pressure.

• 0 K

• 107 K

• 207 K

• 307 K