A rigid tank has a volume of 0.01 m3. It initially contains saturated water at a temperature of 200ºC and a quality of 0.4. The top of the tank contains a pressure-regulating valve that maintains the vapor at constant pressure. This system undergoes a process whereby it is heated until all the liquid vaporizes. How much heat (in [kJ]) is required? You may assume that there is no pressure drop in the exit line.

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T = 200C x = 0.4 V = 0.01 m V 1 -Value maintains pressure in system constant