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30. 下列反應及其反應熱分別為:A→2B ∆H1 =a ,C→B∆H2=b, 2C→D ∆H3 =c,則反應A → D之反應熱∆H 為下列何者?(A) a - b + 2c (B) a - 2b
問題詳情
30. 下列反應及其反應熱分別為:A →2B ∆H1 =a , C → B ∆H2 = b, 2C→ D ∆ H3 = c,則反應A → D之反應熱∆H 為下列何者?
(A) a - b + 2c
(B) a - 2b + c
(C) a + b + c
(D) a + 2b + c
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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