問題詳情

15. Based on the provided bond energies, what is the △H°rxn for the reaction below?


(A)t-564 kJ
(B)t+564 kJ
(C)t+270 kJ
(D)t-270 kJ
(E)t-612 kJ

參考答案

答案:D

統計:A:0,B:0,C:1,D:6,E:0

難度:計算中