November 2018 1 2K Report
Diketahui energi ikatan N = N = 163 kJ/mol dan H–H = 436 kJ/mol. Pada reaksi:
½ N2(g) + 3/2 H2(g) NH3(g) ΔH = –438 kJ/mol energi ikatan rata-rata N–H adalah …
A. 1.173,5 kJ
B. 735,5 kJ
C. 391 kJ
D. 195,5 kJ
E. 130 kJ

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