题目内容

25 ℃、101 kPa下,碳、氢气、甲烷和葡萄糖的燃烧热依次是ΔH=-393.5 kJ/mol、ΔH=-285.8 kJ/mol、ΔH=-890.3 kJ/mol、ΔH=-2 800 kJ/mol,则下列热化学方程式正确的是(  )

A.C(s)+O2(g)=CO(g)ΔH=-393.5 kJ/mol
B.2H2(g)+O2(g)=2H2O(l)ΔH=-571.6 kJ/mol
C.CH4(g)+2O2(g)=CO2(g)+2H2O(g)ΔH=-890.3 kJ/mol
D.C6H12O6(s)+3O2(g)=3CO2(g)+3H2O(g)ΔH=-1 400 kJ/mol

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网