an insulated piston-cylinder assembly initially at constant pressure of 250 kPa There is 4 L of saturated liquid water. One with an electric heater inside the cylinder There is a mixer. Then the water is drained from one side for 50 minutes. It is mixed, on the other hand, it is heated by a heater with 8 A current flowing through it. During this process at constant pressure, 300 kJ work done. In the meantime, some of the liquid evaporates and the dryness degree is 0.7. a) Plot the change in state on the T-v and P-v diagram, paying attention to the saturation lines. b) Find the voltage of the electricity source.

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