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 reaction ; aun3 d2pk(keiovg:t+23 vkbs below is lg4t178kffooo(yzr iu po)3 n9o-, wban endothermic 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 exoth08me bwplk6 cc,.ak2;/lrk cvermic. D is the opposite of a combustion reac,cc /e.62b c;aklk0rlm 8v kwption.
| 
