题目内容
已知在A.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=-48.40 kJ·mol-1
B.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=-5 518 kJ·mol-1
C.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=+5 518 kJ·mol-1
D
BD
解析:1 mol C8H18燃烧放出热量为48.40 kJ/g×
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题目内容
已知在A.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=-48.40 kJ·mol-1
B.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=-5 518 kJ·mol-1
C.C8H18(l)+O2(g)8CO2(g)+9H2O(g) ΔH=+5 518 kJ·mol-1
D
BD
解析:1 mol C8H18燃烧放出热量为48.40 kJ/g×