Question

Determine the temperature, volume, and quality for one kg water under the following conditions:
U = 3000 kJ/kg, P = 0.3 MPab.
U = 2900 kJ/kg, P = 1.7 MPac.
U = 2500 kJ/kg, P = 0.3 MPad.
U = 350 kJ/kg, P = 0.03 MPa
Using steam tables