During the drying cycle, clothes soaked in liquid PERC at 300 K at 1 atm are tumbled in a stream of warm air at 330 K at 1 atm t
hat circulates through the basket causing the liquid to evaporate. How do the kinetic energy (K) and potential energy (Ep) of PERC molecules in the liquid change during the evaporation?
A. K decreases; Ep increases.
B. K increases; Ep increases.
C. K remains constant; Ep decreases.
D. K remains constant; Ep increases.
1 answer:
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