Problem #$2$:

Subcooled water flowing in a pipe at enters a valve at state $1$ at a pressure of $7\mathrm{.}5$ MPa $.$ The water leaves the valve at state $2$ with a quality of $0\mathrm{.}2$ and a pressure of $300$ kPa and immediately enters a flash chamber $($while still at $300$ kPa $).$ The vapor leaves the flash chamber at state $3$ and the liquid leaves at state $4$ ; the liquid leaving the flash chamber has a mass flow rate of $10k\frac{g}{s}.$ Determine the following:

a$.$ The enthalpy at state $1$

b$.$ The temperature at state $1$

c$.$ The temperature at state $2$

d$.$ The mass flow of liquid entering the valve at state $1$

e$.$ Draw the four state points on a P$-$v diagram

f$.$ Draw the four state points on a T$-$v diagram