問題詳情

36.Sodium reacts violently with water according to the equation:
2 Na(s) + 2 H2O(l)→ 2 NaOH(aq) +H2(g)
The resulting solution has a higher temperature than the water prior to the addition ofsodium. What are the signs of △H° and △S° for this reaction?
(A) △H° is negative and △S° is negative.
(B) △H° is negative and △S° is positive.
(C) △H° is positive and △S° is negative.
(D) △H° is positive and △S° is positive. 

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增