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 endol o 5y6go)ba /j,r(ouvtherm6:lkcg z*1ite ic:
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 heacxs 9w/.lewx 7t energy is absorbed from the . c/79xwwes xlsurroundings.
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