Question
7. A gas initially at 0.5-MPa pressure can undergo one of two closed-system processes: A. adiabatic compression to 2 MPa followed by isothermal expansion to 0.5 MPa B. isothermal compression to 2 MPa followed by adiabatic expansion to 0.5 MPa Which gas ends up at the higher entropy? (2 pts) a. A b. B c. Entropy is the