试题 试卷
题型:综合题 题类:常考题 难易度:普通
2016-2017学年湖南省衡阳八中高二上学期期末化学试卷
S(单斜)+O2(g)═SO2(g)△H=﹣297.16kJ/mol
S(正交)+O2(g)═SO2(g)△H=﹣296.83kJ/mol
下列说法正确的是
①CH4(g)+ O2(g)⇌CO(g)+2H2(g)△H=﹣36kJ/mol
②CH4(g)+H2O(g)⇌CO(g)+3H2(g)△H=+206kJ/mol
③CH4(g)+CO2(g)⇌2CO(g)+2H2(g)△H=+247kJ/mol副反应
④CH4(g)+2O2(g)⇌CO2(g)+2H2O (g)△H=﹣889.6kJ/mol
试题篮