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)
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 .
①C(s)+ O2(g)= CO2(g)△H1 C(s)+1/2 O2(g)= CO(g)△H2
②S(s)+ O2(g)= SO2(g)△H3 S(g)+ O2(g)= SO2(g)△H4
③H2(g)+1/2 O2(g)= H2O(l)△H5 2H2(g)+ O2(g)= 2H2O(l)△H6
④CaCO3(s))= CO2(g)+ CaO(s)△H7 CaO(s)+ H2O(l)= Ca(OH)2(s) △H8
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