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)+SO42-(aq)+Ba2+(aq)+2OH-(aq)=BaSO4(s)+2H2O(1)△H=57.3 kJ/mol |
B.KOH(aq)+H2 SO4(aq)=K2SO4(aq)+H2O(l)△H=57.3kJ/mol |
C.C8H18(I)+O2(g)=8CO2(g)+9H2O△H=5518 kJ/mol |
D.2C8H18(g)+25O2(g)=16CO2(g)+18H2O(1)△H=5518 kJ/mol |