Question: A piston - cylinder device initially contains 1 0 0 k g of liquid water at T = 3 5 3 . 1 5 K

A piston-cylinder device initially contains 100kg of liquid water at T=353.15K and P=0.1MPa.
The device is isobarically heated, expanding against an external pressure of 0.1MPa, until exactly 12% of the water has vaporized, with the rest remaining in the liquid phase. How much heat was added?
A piston-cylinder device initially contains 100kg of liquid water at T=353.15K

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