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]
If a reaction is endotu8wjwgs9*dhl5 cp9. ,pdo pk)hermixs*(dju2 )4 22umy 4apsmlxbkc:
A. ΔH is negative and heat is absorbed
B. ΔH is positive and heat is absorbed
C. ΔH is positive and heat is emitted
D. ΔH is negative and heat is emitted
参考答案: B
本题详细解析:
If a chemical reaction leads to an increase in enthalpy, the heat energy i;n.tdo( z0m/m xkgwz1(h i:cj s absorbed from tk c:oiz hnmt/j(.gm1dx (; 0zwhe surroundings.
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