5. The overall reaction in a commercial heat pack can be represented as 4Fe(s) + 3O2(g) → 2Fe2O3(s),
問題詳情
5. The overall reaction in a commercial heat pack can be represented as 4Fe(s) + 3O2(g) → 2Fe2O3(s), △H = -1652 kJ. How much heat is released when 1.00 g Fe is reacted with excess of O2? (A) -7390 J (B) -14760 J (C)-1650 J (D) -6600 J (E)-2200 J