25℃,101kPa时,强酸与强碱的稀溶液发生中和反应的中和热为57.3kJ/mol,辛烷的燃烧热为5518kJ/mol.下列热化学方程式书写正确的是()
A.2KOH(aq)+H2SO4(aq)═K2SO4(aq)+2H2O(l)△H=-57.3 kJ/mol
B.2H+(aq)+SO42-(aq)+Ba2+(aq)+2OH-(aq)═BaSO4(s)+2H2O(l)△H=-57.3 kJ/mol
C.2C8H18(g)+25O2(g)═16CO2(g)+18H2O(l)△H=-5518 kJ/mol
D.C8H18(l)+O2(g)═8CO2(g)+9H2O(l)△H=-5518 kJ/mol
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