Question

A 5 m3 vessel initially contains 50 kg of liquid water at 480.24 K and saturated water vapor at total internal energy of 27,300 kJ. Calculate the heat requirement to vaporize all of the liquid.
a) 100,000 kJ 
b) 200,000 kJ 
c) 300,000 kJ 
d) 400,000 kJ

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