Unit mass of a liquid with volume \[{{V}_{1}}\] is completely changed – McqOptions

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1.	Unit mass of a liquid with volume \[{{V}_{1}}\] is completely changed into a gas of volume \[{{V}_{2}}\] at a constant external pressure P and temperature T. If the latent heat of evaporation for the given mass is L, then the increase in the internal energy of the system is
A.	Zero
B.	\[P({{V}_{2}}-{{V}_{1}})\]
C.	\[L-P({{V}_{2}}-{{V}_{1}})\]
D.	L
Answer» D. L

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