What Drives Chemical Reactions D.3 Energy From Fuels (id: 8818fd6d9)

本题目来源于试卷: What Drives Chemical Reactions D.3 Energy From Fuels，类别为 IB化学

[单选题]
For the combustion of ntq jz )hy/zt7yd246nrm4)5 nk)2/m dhkes hymagnesium, which of the following are correct for the products anddsrme5)n y4)k 2hm/kh enthalpy of reaction?
Mg(s)+$O_2$(g)→? ΔH?

A. $MgO$;ΔH>0
B. $MgO_2$;ΔH>0
C. $MgO$;ΔH<0
D. $MgO_2$;ΔH<0


参考答案:  C


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