试题 试卷
题型:单选题 题类:常考题 难易度:普通
H2(g)+ O2(g)═H2O(l)△H=﹣285kJ/mol
C3H8(g)+5O2(g)═3CO2(g)+4H2O(l)△H=﹣2220.0kJ/mol
Ⅰ.C(g)+CO2(g) 2CO(g) ΔH=+172.5kJ/mol
Ⅱ.CO(g)+2CuO(s) Cu2O(s)+CO2(g)ΔH=-138.0KJ/mol
请回答:
试题篮