Question

The volume of a gas varies directly with the temperature and inversely with the pressure. When the temperature of a certain gas is 320Co, the pressure is 50 pounds per square inch and the volume is 30 cubic feet. Find the volume when the pressure is 60 pounds per square inch and the temperature decreases to 310Co.
V = kT/P
So, PV/T is constant. You want V such that
60V/(273+310) = 50*30/(273+320)
V = 24.578 ft^3

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