問題詳情

20. Which of the following reactions would have a positive △S?
(A) Pb(NO3)2 (aq) + 2KI (aq) → Pbl2 (s) + 2KNO3(aq)
(B)2H2O(g)→2H2(g)+O2(g)
(C) H2O(g)→H2O(s)
(D) NO (g)+O2(g)→NO2(g)
(E) Ag+(aq) +CI-(aq) →AgCI(s)

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增