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题型:填空题 题类:常考题 难易度:普通
2016-2017学年浙江省杭州市萧山三中高二上学期期中化学试卷
4NH3(g)+6NO(g)⇌5N2(g)+6H2O(g)△H1
已知:①H2O(l)=H2O(g)△H2
②4NH3(g)+5O2(g)=4NO(g)+6H2O(g)△H3
则NH3(g)的标准燃烧热的热化学方程式.
①H2(g)+ O2(g)=H2O(l) ΔH=-285.8 kJ·mol-1
②H2(g)+ O2(g)=H2O(g) ΔH=-241.8 kJ·mol-1
③C(s)+ O2(g)=CO(g) ΔH=-110.5 kJ·mol-1
④C(s)+O2(g)=CO2(g) ΔH=-393.5 kJ·mol-1 ,
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