本题目来源于试卷: Models of Matter A.1 Introduction to the Particulate Nature of Matter，类别为 IB化学
[单选题]
Which row represents the enthalpy change for condensation and sublimation phase changes?
A. Condensation is Endothermic Sublimation is Exothermic
B. Condensation is Endothermic Sublimation is Endothermic
C. Condensation is Exothermic Sublimation is Exothermic
D. Condensation is Exothermic Sublimation is Endothermic
参考答案: D
本题详细解析:
Condensation (gas to liquid) requires making bonds and therefore, releases energy. Sublimation (solid to gas) requires breaking bonds and therefore absorbs energy.
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