Gas Laws Quiz

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? (P₁V₁=P₂V₂)

• 2.1 L

• 8.2L

• 5.0L

• 3.9L

Three gases are mixed together in a container with a total pressure of 4.8 atm. If two of the gases have pressures of 1.2 atm and 1.5 atm, what is the pressure of the third gas? (P_T=P₁+P₂.....)

• 2.5 atm

• 1.8 atm

• 2.1 atm

• 1.3 atm

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? (P₁/T₁=P₂/T₂)

• 0.9 atm

• 2.3 atm

• 1.6 atm

• 3.4 atm

If a hairspray can is heated, what will happen to the gas pressure inside the can?

• The pressure will increase.

• The pressure will remain constant.

• The pressure will decrease.

• The pressure will equalize.

What is 50 °C in Kelvin?

• 223

• 100

• 50

• 323

What units are typically used for volume and temperature?

• mm and C

• L and C

• L and K

• mm and K

A sample of gas with a volume of 30.0 L at 25.0^oC is heated to 50.0^oC. What is the new volume of the gas? (V₁/T₁=V₂/T₂)

• 60.0 L

• 15.0 L

• 27.5 L

• 32.5 L

What is the formula for Boyle's Law?

• P₁V₁=P₂V₂
• P₁V₁/P₂V₂
• P₁V₂=P₂V₁
• P₁/V₁=P₂/V₂

A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure? (P₁V₁=P₂V₂)

• 12.9 L
• 0.72 L
• 7.2 L
• 3.44 L

What is the formula Charles' Law?

• V = T
• VT = VT
• T₁ / V_{1 =} T₂ / V₂
• V₁ / T₁ = V₂ / T₂