- 問題詳情:下列熱化學方程式中,△H能正確表示物質的燃燒熱的是( )A.CO(g)+1/2O2(g)=CO2(g) ΔH =-283.0KJ/molB.C(s)+1/2O2(g)=CO(g) ΔH=-110.5KJ/molC.H2(g)+1/2O2(g)=H2O(g)△H=-241.8kJ•mol-1D.2CH3OH(l)+3O2(g)====2CO2(g)+4H2O(l);ΔH=-1453kJ·mol-【回答】A知識點:燃燒熱和...
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- 問題詳情:下列熱化學方程式中,ΔH能正確表示物質的燃燒熱的是()A.CO(g)+1/2O2(g)===CO2(g)ΔH=-283.0kJ/molB.C(s)+1/2O2(g)===CO(g)ΔH=-110.5kJ/molC.H2(g)+1/2O2(g)===H2O(g)ΔH=-241.8kJ/molD.2C8H18(l)+25O2(g)===16CO2(g)+18H2O(l) ΔH=-11036kJ/mol【回答】A知識點:燃燒熱和中和熱題型:...
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- 問題詳情:下列熱化學方程式中,ΔH能正確表示物質的燃燒熱的是A.CO(g)+1/2O2(g)===CO2(g) ΔH=-283.0kJ·mol-1B.C(s)+1/2O2(g)===CO(g) ΔH=-110.5kJ·mol-1C.H2(g)+1/2O2(g)===H2O(g) ΔH=-241.8kJ...
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