Correct Gas Laws

Multiple Choice

IF we are using Boyles' law and our Pressure goes UP, what must our volume do?

• Go UP

• Go DOWN

• Stay the same

• Wrong law.

Multiple Choice

when working with any gas law, the temperature should always be converted _______

• from Celsius to atmospheres

• from Kelvin to atmospheres

• from Celsius to Kelvin

• from atmospheres to Kelvin

Multiple Choice

When the temperature of a gas decreases (with pressure and amount held constant), does the volume increase or decrease?

• Unaltered

• Remains constant

• Increase

• Decrease

Multiple Choice

Temperature and pressure are ____________ proportional.

• directly

• inversly

• synergistically

Multiple Choice

For the following problem, what equation would you use: The gas in the container is at a pressure of 3.00 atm at 298 K.  What would be the pressure in the container at 325 K?

• P1/T1 = P2/T2

• P1V1 = P2V2

• V1/T1 = V2/T2

• PV = nRT

Multiple Choice

Dalton's law equation is used to find what?

• the density of a pure gas

• the total pressure of a pure gas

• the total pressure of a gas mixture

• the volume of a gas mixture

Multiple Choice

What is the total pressure of the heliox gas in the diagram?

• 300 kPa

• 100 kPa

• 400 kPa

• 500 kPa

This is the equation we will use:

Combined Gas Law

P₁V₁n₂T₂=P₂V₂n₁T₁ 1=Start 2=Final

P=Pressure
V=Volume
n=number of moles of particles (a unit like puffs)
T=Temperature