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 four reac f; 3 z j4:rewyz ,mr9njbzf*aidl/),qtions below is an endoth2y w5dzt5t5hryvsbl3 r/-v c*ermic reaction?
A. $CH_4$(g)+$2O_2$(g)→$CO_2$(g) +$2H_2O$(l)
B. $C$(S)+$O_2$(g) → $CO_2$(g)
C. $NO$(g)+$\frac{1}{2}$$O_2$→ $NO_2$(g)
D. $CO_2$(g) → $CO$(g)+$\frac{1}{2}$$O_2$(g)
参考答案: D
本题详细解析:
Most combustion reactions are exothermic. D is the opposite of a combu :odxdy6 g.ez2stion reactioze.6y go 2:dxdn.
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