摘要：15．25℃.101 kPa下.碳.氢气.甲烷和葡萄糖的燃烧热依次是393.5 kJ/mol.285.8 kJ/mol.890.3 kJ/mol.2800 kJ/mol.则下列热化学方程式正确的是 A．C(s)+O2,△H＝-393.5 kJ/mol B．2H2(g)+O2(g)＝2H2O(g),△H＝+571.6 kJ/mol C．CH4(g)+2O2(g)＝CO2(g)+2H2O(g),△H＝-890.3 kJ/mol D．C6H12O6(s)+3O2(g)＝3CO2(g)+3H2O(l),△H＝-1400 kJ/mol

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