试题 试卷
题型：单选题 题类：模拟题 难易度：容易
上海市崇明区2018-2019学年高考化学一模（期末）考试试卷
① H2(g)+ O2(g)＝H2O(l) ΔH ＝-285kJ/mol
② H2(g)+ O2(g)＝H2O(g) ΔH ＝-241.8kJ/mol
③ C(s)+ O2(g)＝CO(g) ΔH ＝-110.4 kJ/mol
④ C(s)+ O2(g)＝CO2(g) ΔH ＝-393.5 kJ/mol
回答下列各问：
试题篮
O2(g)＝H2O(l) ΔH ＝-285kJ/mol O2(g)＝H2O(g) ΔH ＝-241.8kJ/mol O2(g)＝CO(g) ΔH ＝-110.4 kJ/mol
