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 mr9ue 6qkx;nqn7*f un9agnesium, which o,pu,h vv5+ )zm5lztuof the following are correct for the products and enthalpy of reaction? )zv5l o,tvu+zhmu p,5
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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