One kg of air (R=287 J/kg-K) goes through an irreversible process between two equilibrium state 1 (30°C, 1.2 m³) and state 2 (30°C, 0.8 m³). What is the change in entropy (in J/kg-K)? Mark as favorite Copy Link -116.36 -50.53 50.53 116.36 Check Answer