問題詳情

48. Consider the following reaction, which is spontaneous at room temperature: C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g) One would predict that 
(A) ∆H is + and ∆S is +
(B) ∆H is – and ∆S is –.
(C) ∆H is – and ∆S is +
(D) ∆H is + and ∆S is –.

參考答案

答案:C
難度:簡單0.733333
統計:A(3),B(1),C(11),D(0),E(0)

內容推薦

內容推薦