Water contained in a closed, rigid tank, initially saturated vapor at 200°C, is cooled to 100°C.

a) Determine the initial and final pressures, each in bar.

b) Locate in sketches in a p–v diagram and aT–v diagram the initial and final states relative to the vapor dome.

For the initial and final state, determine

c) in percent the mass fraction of the vapor vs. the total mass of the water in the tank,

d) in percent the volume fraction of the vapor vs. the total volume of water in the tank, and

e) the internal energy.