4.25 Water vapor initially at

3.0MPa

and

300\\\\deg C

is contained within a piston-cylinder assembly. The water is cooled at constant volume until its temperature is

200\\\\deg C

. The water is then condensed isothermally to saturated liquid. For the water as the system, evaluate the work, in

k(J)/(k)g

.

4.25 Water vapor initially at 3.0MPa and 300C is contained within a piston-cylinder assembly. The water is cooled at constant volume until its temperature is 200C. The water is then condensed isothermally to saturated liquid. For the water as the system, evaluate the work, in kJ/kg