Water vapor initially at 10 bar and 400C is contained within a piston-cylinder assembly. The water is cooled at constant volume until its temperature is

Water vapor initially at 10 bar and 400ºC is contained within a piston-cylinder assembly. The water is cooled at constant volume until its temperature is 150ºC. The water is then condensed isothermally to saturated liquid. FOr the water as the system, evaluate the work in kJ/kg.