已知:N2+O22NO △H=+180 kJ/mol,其中N≡N,O=O键的键能分别是946 kJ/mol、498 kJ/mol,则NO中化学键的键能为
A.812 kJ/mol | B.632 kJ/mol | C.1264 kJ/mol | D.1624 kJ/mol |
已知:N2+O22NO △H=+180 kJ/mol,其中N≡N,O=O键的键能分别是946 kJ/mol、498 kJ/mol,则NO中化学键的键能为
A.812 kJ/mol | B.632 kJ/mol | C.1264 kJ/mol | D.1624 kJ/mol |
试题篮
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