A Quantity of a Gas with an Initial Volume of 2

Multiple Choice

A quantity of a gas with an initial volume of 2 cubic feet and a pressure of 4500 pounds per square foot expands to a volume of 7 cubic feet. Find the work done by the gas. Round your answer to two decimal places. Assume the temperature of the gas in this process remain constant.

A) 5,637.43 ft-lb
B) 11,274.87 ft-lb
C) 3,214.29 ft-lb
D) 2,066.33 ft-lb
E) 14,484.94 ft-lb