Gas Laws Test

Boyle's Law

increase in pressure causes a decrease in volume of gas (vis-versa)

Charle's Law

A football inflated inside and then taken outdoors on a winter day shrinks slightly.

Charles' Law

A slightly underinflated rubber life raft left in bright sunlight swells up

Charles' Law

The plunger on a turkey syringe thermometer pops out when the turkey is done (The volume of air trapped under the plunger increases when the temperature inside the turkey climbs)

Charles' Law

an increase in temperature causes an increase in volume of gas (vis-versa)

Boyle's Law

The bubbles exhaled by a scuba diver grow as the approach the surface of the ocean. (The pressure exerted by the weight of the water decreases as rise to surface, so the volume of the bubbles increases as they rise.)

Boyle's Law

Deep sea fish die when brought to the surface. (The pressure decreases as the fish are brought to the surface, so the volume of gases in their bodies increases, and pops bladders, cells, and membranes).

Gay-Lussac's Law

An increase in temperature causes an increase in pressure (vis-versa)

Gay-Lussac's Law

The gauge pressure in a steel-belted automobile tire will be higher when the car is traveling over hot asphalt than it was when the car was in the garage.

Gay-Lussac's Law

Throwing an aerosol can into a fire may cause it to explode.

0.61 atm

What pressure would be required to contain 0.5 mol of SO2 gas in a 25.0 L container at a temperature of 100. C

0.13 atm

What pressure is required to contain 0.023 moles of nitrogen gas in a 4.2 L container at a temperature of 20 C?

77.0 L

What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20. C and

standard pressure?

0.41 atm

What pressure would a sample of gas have if the volume is 10.0 L the number of gas particles

is 0.10 moles, and the temperature is 500. Kelvin?

4 Liters

What volume would a sample of gas have if the pressure is 8.2 atm, the number of gas

particles is 2.0 moles, and the temperature is -73 degrees Celsius?

9.89 moles

How many moles of gas does it take to occupy 120 liters at a pressure of 2.3 atmospheres and a temperature of 340 K?

34.9 atm

If I have a 50 liter container that holds 45 moles of gas at a temperature of 2000 C, what is the pressure inside the container?

274.5 atm

It is not safe to put aerosol canisters in a campfire, because the pressure inside the canisters gets very high and they can explode. If I have a 1.0 liter canister that holds 2 moles of gas, and the campfire temperature is 1400 C, what is the pressure inside the canister?

243.7 moles

How many moles of gas are in a 30 liter scuba canister if the temperature of the canister is 300 K and the pressure is 200 atmospheres?

Boyle's Law

indirect relationship between pressure and volume

Boyle's Formula

P1 x V1 = P2 x V2

Charles's Law

direct relationship between volume and temperature

Charles's Formula

V1/T1 = V2/T2

Gay Lussac's Law

the direct relationship between pressure and temperature

Gay Lussac's formula

P1/T1 = P2/T2

Combined Gas Law

a law combines Lussac's, Charles's, and Boyles's Law, indirect

Combined Gas Formula

P1V1/T1=P2V2/T2

Ideal gas law

the ideal law with all factors at STP, including # of moles

Ideal gas formula

PV=nRT