4.請估算右式反應的熱焓變化:CH4+Cl2→ CH3Cl+HCl,鍵能(C-H)=413kJ,鍵能(C-CI)=339 kJ,鍵能(Cl-H)=427 kJ,鍵能(Cl-Cl)=243kJ。
(A)+275kJ
(B)+110kJ
(C)-110kJ
(D)-123kJ.
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統計: A(9), B(32), C(201), D(5), E(0) #1073822
統計: A(9), B(32), C(201), D(5), E(0) #1073822