试题 试卷
题型:单选题 题类:常考题 难易度:普通
2015-2016学年山东省青岛市即墨市创新学校高三下学期月考化学试卷(3月份)
①CH4(g)+2O2(g)═CO2(g)+2H2O(g)△H1CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H2
②NaOH(aq)+ H2SO4(浓)═ Na2SO4(aq)+H2O(l)△H3
NaOH(aq)+CH3COOH(aq)═CH3COONa(aq)+H2O(l)△H4 .
①C (s)+O2(g)═CO2(g)△H1 C(s)+ O2(g)═CO(g)△H2
②S(s)+O2(g)═SO2(g)△H1 S(g)+O2(g)═SO2(g)△H2
③H2(g)+ O2(g)═H2O(l)△H1 2H2(g)+O2(g)═2H2O(l)△H2
④CaO(s)+H2O(l)═Ca(OH)2(s)△H1CaCO3(s)═CaO(s)+CO2(g)△H2 .
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