Question: Three kg of saturated liquid water are to be evaporated at 60C. (a) At what pressure will this occur at equilibrium? (b) What is the

Three kg of saturated liquid water are to be evaporated at 60°C.

(a) At what pressure will this occur at equilibrium?

(b) What is the initial volume?

(c) What is the system volume when 2 kg have been evaporated? At this point, what is ΔU relative to the initial state?

(d) What are ΔH and ΔU relative to the initial state for the process when all three kg have been evaporated?

(e) Make a qualitative sketch of parts (b) through (d) on a P-V diagram, showing the phase envelope.

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