题目内容
N2 (g)+ 3H2(g)2NH3(g) ΔH =" -92.4" kJ/mol,则N≡N键的键能是
A. 431 kJ/mol B. 946 kJ/mol C. 649 kJ/mol D. 869 kJ/mol
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题目内容
N2 (g)+ 3H2(g)2NH3(g) ΔH =" -92.4" kJ/mol,则N≡N键的键能是
A. 431 kJ/mol B. 946 kJ/mol C. 649 kJ/mol D. 869 kJ/mol