已知25℃、101 kPa条件下： 4Al(s)＋3O2(g)===2Al2O3(s)ΔH＝－2834.9 kJ/mol 4A

已知25℃、101 kPa条件下： 4Al(s)＋3O₂(g)===2Al₂O₃(s)ΔH＝－2834.9 kJ/mol

4Al(s)＋2O₃(g)===2Al₂O₃(s)ΔH＝－3119.1 kJ/mol由此得出的正确结论是 (　　)

A．等质量的O₂比O₃能量低，由O₂变O₃为放热反应

B．等质量的O₂比O₃能量高，由O₂变O₃为吸热反应

C．O₃比O₂稳定，由O₂变O₃为放热反应

D．O₂比O₃稳定，由O₂变O₃为吸热反应

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已知25℃、101 kPa条件下： 4Al(s)＋3O2(g)===2Al2O3(s)ΔH＝－2834.9 kJ/mol 4A

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