A. Five moles of an ideal gas is confined in a pistoncylinder device, initially at P 1

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A. Five moles of an ideal gas is confined in a pistoncylinder device, initially at P1 = 1 bar and T1 = 400 K. First, the gas is compressed adiabatically to P2 = 10 bar and temperature T2. Next the piston is locked in place, and the gas is cooled isochorically to T3 = 400 K and pressure P3. Determine Q, W, and ΔU for the gas in each of the two steps of this process. Also find T2 and P3.

B. Five moles of a gas that is described by the equation of state given above is confined in a piston-cylinder device. Calculate ΔU when this gas undergoes the same two changes in state described in part A, from T1, P1 to T2, P2 and from T2, P2 to T3, P3. For both parts A and B, assume the gas has CP* = 40 J/mol · K

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