Asked by help

1. A 3.0 gallon can, open to the surroundings, is sealed when the pressure is 1.0 atmospheres. The can is crushed to a volume of 1.5 gallon. What is the new pressure of air inside the can?

2. The can from question 1 is crushed even further until the pressure in the can is 5.0 atmospheres. What is the internal volume of the can now?
Answered by oobleck
assuming constant temperature, just plug in your numbers and solve for P2 in
P1*V1 = P2*V2
Answered by help
How do I convert 3 gallon can to volume
Answered by oobleck
3 gallons IS a volume
Since you are using the same volume units on both sides of the equation, the actual units do not matter. There is no need to convert gallons to in^3 or cm^3 or liters.

So, for the 1st one, 1/2 the volume means twice the pressure.
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