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]
Which of the following isi1o7bvh* kzi8z-ikv )l7aw ev 1c4p v+ true in exo;nj(pq 0 r1lt3ncqkbr + l1( m4+rqficthermic reactions?
A. Heat transfer from surrounding to system
B. Heat transfer from system to surrounding
C. No change
D. Heat transfer from surrounding to surrounding
参考答案: B
本题详细解析:
An exothermic reaction is one in which heat energyv vbl) *xb.k0 6hsbou) is transferred from system to surroundings. Endothermic reaction is one in which heat ).)v*h0xl vsbbk o bu6energy is transferred from surroundings to system.
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