试题 试卷
题型:综合题 题类:常考题 难易度:普通
2016-2017学年安徽省马鞍山二中高二下学期期中化学试卷(理科)
①2H2O(g)=O2(g)+2H2(g)△H1 K1=x
②Cl2(g)+H2(g)=2HCl(g)△H2 K2=y
③2Cl2(g)+2H2O(g)=4HCl(g)+O2(g)△H3 K3=x
则下列关系正确的是( )
i. CO2(g)+3H2(g) CH3OH(g)+H2O(g) △H1
ii. CO(g)+2H2(g) CH3OH(g) △H2
iii. CO2(g)+H2(g) CO (g)+H2O(g) △H3
回答下列问题:
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