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 reaction below il ias,r/ 0*h6eu/mn kks z w7asl cf5vmn4 yof,lz (25(lendothermic?
A. 2$NO$(g)+$O_2${g}→2$NO_2$(g)
B. $CH_4$(g)+2$O_2$(g)→$CO_2$(g)+2$H_2O$(l)
C. 4$Al$(s)+3$O_2$(g)→2$Al_2O_3$(s)
D. $CaCO_3$(s)→$CaO$(s)+$CO_2$(g)
参考答案: D
本题详细解析:
D is a thermal decomposition r * ifa/) 0ehs,iq 0dfd a hqz5lncim;-2uy19xfeaction and so requires energy from the surroundings through heating-qn dx,0 125aelsii *ff)mq iaf;9y0dchh/ zu in order to take place. A, B, and C are all combustion reactions and so exothermic.
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