来自韩小琨的问题
下列热化学方程式中△H表示可燃物燃烧热的是()A.C(s)+12O2(g)═CO(g)△H═-110.5kJ/molB.2H2(g)+O2(g)═2H2O(g)△H═-571.6kJ/molC.CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H═-802.3k
下列热化学方程式中△H表示可燃物燃烧热的是()
A.C(s)+12O2(g)═CO(g)△H═-110.5kJ/mol
B.2H2(g)+O2(g)═2H2O(g)△H═-571.6kJ/mol
C.CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H═-802.3kJ/mol
D.C6H12O6(s)+6O2(g)═6CO2(g)+6H2O(I)△H═-2800kJ/mol
1回答
2020-10-30 07:18