Question 2 (20 pts): find the following properties of each state. steam power plant: t5 = 400 o c, p5 = 8 mpa; p4 = p5; p2 = p3 = p6 = 0.6 mpa; p7 = p1 = 20 kpa; steam turbine and two pumps go through isentropic processes. state 1: saturated liquid at p1, then h1 = 251.4 kj/kg, v1 = 0.0010172 m3 /kg state 2: h2 = 251.99 kj/kg. state 3 (2pts): saturated liquid at p3, find h3 and v3 state 4 (3pts): find h4