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 is true in exot6: 6k hqi w9lu1xoqsn:hermic reactionsny; kdl75 (hcz0ct bw4?
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 reactionnrcok2 kzez1,8b 2iq ;7nl 5mh is one in which heat energy is transferred from system to surroundings. Endothermic reaction is one 82e;hno 7 qcl21,b z5knz mrkiin which heat energy is transferred from surroundings to system.
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