Thanks before :)

4. How much energy is needed for making condition A to condition B: a) 5.0 bar, x = 0.7 to 5.0 bar, x = 1 b) 5.0 bar, x = 0.7 to 5.0 bar, 300 °C c) 2.0 bar, 100 °C to 2.0 bar, 300 °C d) 40 bar, 250.3 °C, x= 1 to 675 °C e) 295.0 °C, x = 0.1 to 600 °C