問題詳情

4.請估算右式反應的熱焓變化：CH4+C12→CH3Cl+HCl，鍵能(Cl-H)=413kJ， 鍵能(C-CL)=339 kJ，鍵能(Cl-H)=427 kj，鍵能(Cl-Cl)=243kJ。,
(A) +275kJ
(B)+110kJ
(C)-110kJ
(D)-123kJ

參考答案

答案：C
難度：簡單0.75
統計：A(0),B(2),C(12),D(0),E(0)

用户評論

【JC Lin】評論

鍵能(C-H)=413kJ， 鍵能(C-CL)=339 kJ，鍵能(Cl-H)=427 kj，鍵能(Cl-Cl)=243kJ