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题型:综合题 题类:常考题 难易度:普通
广东省广州市中山大学附属中学2018-2019学年高二上学期化学期中考试试卷
①CO2(g) + 3H2(g) ⇌ CH3OH(l) + H2O(l) △H1 = -49.01KJ/mol
②2 CH3OH(l) ⇌ CH3OCH3(g) + H2O(l) △H2 = -24.52KJ/mol
③CO(g) + H2O(l) ⇌ CO2(g) + H2(g) △H3 = -41.17KJ/mol
①2N2O5(g)⇌2N2O4(g)+O2(g);②N2O4(g)⇌2NO2(g).达到平衡时,c(O2)=0.2mol•L﹣1 , c(NO2)=0.6mol•L﹣1 , 则此温度下反应①的平衡常数为( )
C(s)+ O2(g)═CO(g)△H1=﹣110.5kJ•mol﹣1
C(s)+O2(g)═CO2(g)△H2=﹣393.5kJ•mol﹣1则C(s)+CO2(g)═2CO(g)的△H为( )
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