Determine the phase or phases in system consisting of water

Question

Determine the phase or phases in a system consisting of H₂O at the following conditions and sketch both the p-v and T-v diagrams showing the location of each state.

(a). p= 5 bar, T= 151.9 ^oC

(b). p= 5 bar, T= 200 ^oC

(c). p= 2.5 MPa, T= 200 ^oC (d). p= 4.8 bar, T= 160 ^oC.