For which process is S negative?
A) evaporation of 1 mol of CCl4(l)
B) mixing 5 mL ethanol with 25 mL water
C) compressing 1 mol Ne at constant temperature from 1.5 L to 0.5 L
D) raising the temperature of 100 g Cu from 275 K to 295 K
E) grinding a large crystal of KCl to powder
Correct Answer:
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