摘要:6.已知:+O2.ΔH=-348.3kJ/mol + O2(g)== Ag2O(s).ΔH=-31.0kJ/mol 则Zn(s)+ Ag2O的 ΔH等于 A.-317.3kJ/mol B.-379.3kJ/mol C.-332.8 kJ/mol D.317.3 kJ/mol

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