A piston-cylinder device is filled with 5 kg of liquid water at 150°C. The specific volume of the liquid water is 0.0010905 m3/kg. Heat is added to the water until some of the water boils, giving a liquid-vapor mixture with a specific volume of 0.120 m3/kg . The pressure of the water is 475.8 kPa. How much work was done by the expanding water vapor?
Given: m = 5 kg; v1 = 0.0010905 m3/kg; v2 = 0.120 m3/kg; P = 475.8 kPa
What will be an ideal response?
The water boils at constant pressure
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