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 endoo: -e lr:lwmh84yxyy 7ph 6j,vthermw o3-k.hisn9:qi,yjcnl* wh5ic:
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 increasex /n,fw:t ;h*pii9 lp3l3c dnm in enthalpy, the heat energy is absorbed from the surroundings. :i*ml,p3 3/i;pdnw n9flxcth
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