Gas Laws

What is standard pressure in mmHg?

• 101.3

• 1

• 760

• 14.7

A container holds 50.0 mL of nitrogen at 25⁰C and a pressure of 736 mmHg. What is the volume when the temperature increases to 60⁰C?

• 120 mL

• 55.9 mL

• 1,766.4 mL

• 822.4 mL

How many atmospheres are contained in 900 torr?

• 1.18 atm

• 0.844 atm

• 61.2 atom

• 8.88 atm

What are the variable in Charles' Law?

• volume and pressure

• volume and temperature

• pressure and temperature

• amount of gas and temperature

How do you convert temperature from degrees Celsius to Kelvin?

• add 32

• subtract 32

• add 273

• subtract 273

The volume of a gas-filled balloon is 30 L at 40⁰C and 1.75 atm of pressure. What volume will the balloon have at STP?

• 60.2 L

• 55.3 L

• 45.8 L

• 72.3 L

What is standard pressure in kPa?

• 1

• 14.7

• 101.3

• 760

A container with a volume of 637 mL is sitting on a counter in a room at 24⁰C. What would the volume be at STP?

• 820 mL

• 693 mL

• 127 mL

• 586 mL

What is the equation for Boyle's Law?

• P₁/V₁ = P₂/V₂

• P₁/T₁ = P₂/T₂

• V₁/T₁ = V₂/T₂

• P₁V₁ = P₂V₂

• PV = nRT

If the temperature is doubled as volume is kept constant, what happens to the pressure?

• It stays the same

• It doubles

• It is reduced by half

• It triples