Question: A frictionless piston allows a constant pressure in a cylinder containing 4 kg of saturated water vapor originally at 180C. If 4000 kJ of heat

A frictionless piston allows a constant pressure in a cylinder containing 4 kg of saturated water vapor originally at 180°C. If 4000 kJ of heat is added to the vapor, estimate the final temperature
i) Without the use of enthalpy
ii) With the use of enthalpy.

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State 1 m 4 kg x 1 1 and T 1 180C From Table C1 we get v 1 v g 01941 m 3 kg u 1 u g 25837 ... View full answer

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