摘要:5.已知在25℃.101kPa下.1gC8H18燃烧生成CO2和H2O(l)放出48.40kJ热量.则C8H18的燃烧热为 A.48.40kJ·mol-1 B.4646.40kJ·mol-1 C.5517.60kJ·mol-1 D.11035.2 0kJ·mol-1

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