A mixture with 70% quality at 500 kPa is heated isothermally until its pressure is 300 kPa. Find...

Q: A mixture with 70% quality at 500 kPa is heated isothermally until its pressure is 300 kPa. Find the heat added during the process. [THERMO2]
@ 500 kPa: sf = 1.8607 kJ/kg-K sfg = 4.9606 kJ/kg-K
@ 300 kPa and 151.86°C: s = 7.0888 kJ/kg-K

A: 745.92 kJ/kg

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