試題詳解

7. For which process is ΔS 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 atm to 0.5 atm
(D) raising the temperature of 100 g Cu from 275 K to 295 K