試題詳解

21. Which of the following statements is correct?
(A) For HCl(g) → H⁺ (aq) + Cl- (aq), its ∆S^o is larger than 0 (> 0)
(B)The S^o of C_graphite(s) is larger than the S^o of C_diamond(s)
(C) One mol H₂ (at STP) has more positional probability than 1 mol H2 at 100 K, 0.5 atm.
(D) The sign of ∆S_surr for the process of I₂(g) → I₂(s) is negative (-).
(E)At constant T and P, the change with ∆Η = +25 kJ, ∆S = +100 J/K, T = 300. K is not a spontaneous process.