1. The problem statement, all variables and given/known data A closed system containing a gas is to undergo a reversible process from an intial specific volume of 2 ft^3/lbm and a intial pressure of 100 psia. The final pressure is 500 psia. Compute the work done per unit mass. a. Pv= constant b. pv^-2 = constant 2. Relevant equations (1) p2/p1 = (v1/v2)^k w = ∫Pdv 3. The attempt at a solution Using equation (1) I solved for v2, w = ∫Pdv, but p is not constant, so i don't know how to find the work. Maybe step one is wrong, but I have the final answer = -59.6 Btu/lbm Thanks!