6. (10 points) Air in a rigid, insulated cubic tank of edge a=1 m, fitted with a paddle wheel, undergoes astirring process between two states, namely: State 1: T1 =

40 °C, pı = 4 bar; State 2: T1 = 353 °C. O Please determine the final pressure. -) Please determine the work done in the process. Bp) Please determine the entropy generated.