试题 试卷
题型:单选题 题类:常考题 难易度:普通
2016-2017学年福建省厦门市翔安一中高三上学期期中化学试卷
①CH3OH(g)+H2O(g)=CO2(g)+3H2(g);△H=+49.0kJ/mol
②CH3OH(g)+ O2(g)=CO2(g)+2H2(g);△H=﹣192.9kJ/mol
下列说法错误的是( )
N2(g)+O2(g)═2NO(g)△H=+180kJ•mol﹣1
则2CO(g)+2NO(g)═N2(g)+2CO2(g)的△H是( )
Ⅰ.CO(g)+2H2(g) CH3OH(g)△H1
Ⅱ.CO2(g)+3H2(g) CH3OH(g)+H2O(g)△H2
Ⅲ.CO(g)+H2O(g) CO2(g)+H2(g)△H3
回答下列问题
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