The internal energy of water at its liquid phase under the temperature of 453.15 K and pressure of 10.027 bar is 762.0 kJ-kg!. It has a specific volume of 1.128 cm³-g!. a. What is the value of enthalpy at this state? b. Now, the temperature and pressure of the water is increased to 573.15 K and 15 bar. Its internal energy is 2784.4 kJ-kg' and the specific volume at this point is 169.7 cm-g1. What is the overall change in internal energy and enthalpy for the whole process?

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