已知:CH3CH2CH2CH3(g)+6.5O2(g)4CO2(g)+5H2O(l);DH =-2878 kJ·mol-1(CH3)2CHCH3(g)+6.5O2(g)4CO2(g)+5H2O(l);DH =-2869 kJ·mol-1下列说法正确的是
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