An insulated cylinder is covered by a heavy piston that is held in place by a stop as shown in Figure P4.4. The cylinder contains 0.52 kg of H2O at 3 bar and 150°C (state 1). The stop is removed and...

An insulated cylinder is covered by a heavy piston that is held in place by a stop as shown in Figure P4.4. The cylinder contains 0.52 kg of H2O at 3 bar and 150°C (state 1). The stop is removed and the piston drops until the pressure reaches 5 bar where it stops (state 2). At this point the insulation is removed and the system is brought in contact with a bath at 150°C, and the temperatures are allowed to equalize (state 3). a. Find the temperature and the pressure at state 2. b. Find the temperature and the pressure at state 3. c. Determine the heat interaction of the complete process.