试题 试卷
题型:综合题 题类:常考题 难易度:普通
广东省惠州市惠阳高级中学2016-2017学年高二上学期化学期中考试试卷
2CO(g)+O2(g)=2CO2(g)△H=﹣566kJ/mol
Na2O2(s)+CO2(g)=Na2CO3(s)+ O2(g)△H=﹣266kJ/mol
试回答:
① CH4(g) +1/2O2(g) CO(g) + 2H2(g) △H1 =-35.4kJ·mol-1 平衡常数K1
② CO(g) + 2H2(g) CH3OH (g) △H2 =-90.1 kJ·mol-1 平衡常数K2
③ 2CH4(g) + O2(g) 2CH3OH(g) △H3 平衡常数K3
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