n a piston-cylinder arrangement, an initial temperature of 250 °C and 1.4 MPa pressure contains 4 kg of water vapor. Then the mass of water vapor at constant pressure 3/4 is cooled until condensation. a) Show this process in the T-v diagram by taking into account the saturation lines. b) Calculate the change in volume. c) Calculate the final temperature. urgenttttttt please

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