25 ℃,101 k Pa时,强酸与强碱的稀溶液发生中和反应的中和热为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( )
A.2H+(aq) +(aq)+(aq)+2OH(aq)=BaSO4(s)+2HO(1);H=57.3 kJ/mol |
B.KOH(aq)+H2 SO4(aq)= K2SO4(aq)+HO(I);H=57.3kJ/mol |
C.C8H18(I)+ O2(g)=8CO(g)+ 9H2O;H=5518 kJ/mol |
D.2C8H18(g)+25O2(g)=16CO2(g)+18H2O(1);H=5518 kJ/mol |