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 magnesium, which 6 6r pp-we uop..-je5.b sgr9ky jyi;gof the follo /b9e)qdzwery 4 0vzc9wing are correct for the products and enthalpqzbw/er yz49 0ev)9dc y 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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