试题 试卷
题型:单选题 题类:常考题 难易度:普通
湖南省长沙市雅礼中学2018-2019学年高三上学期化学第五次月考试卷
①“气化”:C(s)+2H2O(g)=CO2(g)+2H2(g)ΔH1=+90.1kJ·mol-1
②催化液化I:CO2(g)+3H2(g)=CH3OH(g)+H2O(g)△H2=-49.0kJ·mol-1
③催化液化Ⅱ:CO2(g)+2H2(g)=CH3OH(g)+ O2(g)△H3=akJ·mol
①C(s) + H2O(g)=CO(g)+H2(g) ΔH1=a kJ•mol-1
②CO(g) + H2O(g)=CO2(g)+H2(g) ΔH2=b kJ•mol-1
③CO2(g)+3H2(g)=CH3OH(g)+H2O(g) ΔH3 =c kJ•mol-1
④2CH3OH(g) =CH3OCH3(g)+H2O(g) ΔH4=d kJ•mol-1
试题篮