本题目来源于试卷: What Drives Chemical Reactions D.1 Measuring Enthalpy Changes，类别为 IB化学
[单选题]
The enthalpy diagram below sho y42ukq5j5jhko :fln/ dm-x:m ws th xsu7dv 0 8y1lrat:
A. The reactants are more stable than the products and ΔH is positive
B. The products are more stable than the reactants and ΔH is positive
C. The reactants are more stable than the products andΔH is negative
D. The products are more stable than the reactants and ΔH is negative
参考答案: A
本题详细解析:
The reactants are at a lower energsak5:pws d2+ex9 8oxmy level to the products and are therefore more stable. The products are at a higher energy level to the products meaning the enthalks8d o2pxasw9e5:xm+ py change is positive (endothermic reaction).
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