1. A technical report describes a steady-state process in which H2O at 1 MPa and 200°C enters an insulated experimental setup at a rate of 4 kg/min. Half the amount leaves the setup at 4 MPa. 2. You...

1. A technical report describes a steady-state process in which H₂O at 1 MPa and 200°C enters an insulated experimental setup at a rate of 4 kg/min. Half the amount leaves the setup at 4 MPa.

2. You have 10 kg of saturated steam at 200°C at your disposition. a. If the only available heat reservoir is the environment at 25°C, suggest a method of converting the steam into 10 kg of saturated water in a reversible process. b. Find the entropy change of the steam in this reversible process. c. Find the entropy change of the environment in this reversible process. d. If the steam is condensed by direct cooling, that is, by an irreversible process, what will be its entropy change? e. What will be the entropy change of the environment in part d? f. If the steam is condensed by passing it through a condenser into which 100 kg of water enters at 25°C, what will be the entropy change of water?