Combined Gas Law Review

Convert 24.5^oC to Kelvin

How many significant digits would there be in the answer to the following problem?

A sample of hydrogen has a volume of 33.6 ml at 690 mm pressure. What would be the pressure if the volume increased to 52.6 ml?

When the temperature of a gas increases the pressure would...

• decrease

• increase

• stay the same

Convert 542 mm pressure to atm.

What is the value for standard pressure?

• 1.05 atm

• 700 mm

• 1.00 mm

• 760. mm

Convert 356K to ^oC

As the air pressure on a given sample of a gas in a balloon increases at constant temperature, what happens to the mass?

• decreases

• increases

• remains the same

What is wrong with this combined gas law set-up?

Increase T = __________ V

• decrease

• increase

• remains the same

Does the air pressure increase or decrease at higher altitudes?

• increase

• decrease