25 ℃,101 k Pa时,强酸与强碱的稀溶液发生中和反应生成1mol水时所放出的热量约为57.3 kJ/mol;辛烷的燃烧热为5518 kJ/mol。下列热化学方程式书写正确的是( )
![](https://img.ixiawen.com/uploadfile/2017/0811/20170811030511361.jpg)
A.CH3COOH(aq)+NaOH(aq)="==" CH3COONa(aq)+H2O(l)
H=
57.3kJ/mol
![](https://img.ixiawen.com/uploadfile/2017/0811/20170811030511361.jpg)
B.KOH(aq)+
H2SO4(aq)=
K2SO4(aq)+H2O(l)
H=
57.3kJ/mol
![](https://img.ixiawen.com/uploadfile/2017/0811/20170811030511361.jpg)
C.2C8H18(g)+25O2 (g)=16CO2 (g)+18H2O(1)
H=
11036 kJ/mol
![](https://img.ixiawen.com/uploadfile/2017/0811/20170811030511361.jpg)
D.C8H18(l)+
O2 (g)=8CO2 (g)+ 9H2O(g)
H=
5518 kJ/mol