已知101 k Pa时辛烷的燃烧热为－5518 kJ· mol－1。则下列热化学方程式书写正确的是_刷题宝

题干

已知101 k Pa时辛烷的燃烧热为－5518 kJ· mol^－¹。则下列热化学方程式书写正确的是

A：2C₈H₁₈ + 25O₂ = 16CO₂ + 18H₂O△H =－11036 kJ·mol^－¹

B：2C₈H₁₈(l) + 25O₂(g) = 16CO₂(g) + 18H₂O(l)△H =－11036 kJ·mol^－¹

C：2C₈H₁₈(l) + 25O₂(g) = 16CO₂(g) + 18H₂O(g)△H =－11036 kJ·mol^－¹

D：2C₈H₁₈(l) + 25O₂(g) = 16CO₂(g)）+18H₂O(l)△H =－5518kJ·mol^－¹

上一题下一题 0.0难度选择题更新时间:2018-10-26 01:10:40

答案(点此获取答案解析）

B

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