1.

2Fe(s) + 32 O2(g)→Fe2O3(s) (△H=−193.4kJ) ......(1) Mg(s) + 12 O2(g)→MgO(s) (△H=−140.2kJ) ......(2) What is △H of the reaction? 3Mg + Fe2O3→3MgO + 2Fe

Answer» 2Fe(s) + 32 O2(g)Fe2O3(s) (H=193.4kJ) ......(1)
Mg(s) + 12 O2(g)MgO(s) (H=140.2kJ) ......(2)

What is H of the reaction? 3Mg + Fe2O33MgO + 2Fe


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