题目内容
已知下列三个热化学方程式
①H2(g)+O2(g)===H2O(g) ΔH=-241.8 kJ·mol-1
②C(s)+O2(g)===CO2(g) ΔH=-393.5 kJ·mol-1
③C(s)+H2O(g)===CO(g)+H2(g) ΔH=+131 kJ·mol-1
写出表示碳燃烧生成CO和CO燃烧生成CO2的燃烧热的热化学方程式。
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①H2(g)+O2(g)===H2O(g) ΔH=-241.8 kJ·mol-1
②C(s)+O2(g)===CO2(g) ΔH=-393.5 kJ·mol-1
③C(s)+H2O(g)===CO(g)+H2(g) ΔH=+131 kJ·mol-1
写出表示碳燃烧生成CO和CO燃烧生成CO2的燃烧热的热化学方程式。
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C(s)+1/2O2(g)===CO(g) ΔH=-110.8 kJ·mol-1
CO (g)+1/2O2(g)===CO2(g) ΔH=-282.7 kJ·mol-1
CO (g)+1/2O2(g)===CO2(g) ΔH=-282.7 kJ·mol-1
考查盖斯定律的应用于
①+③得④C(s)+1/2O2(g)===CO(g) ΔH=-110.8 kJ·mol-1
②-④得:CO (g)+1/2O2(g)===CO2(g) ΔH=-282.7 kJ·mol-1
①+③得④C(s)+1/2O2(g)===CO(g) ΔH=-110.8 kJ·mol-1
②-④得:CO (g)+1/2O2(g)===CO2(g) ΔH=-282.7 kJ·mol-1
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