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The overall reaction in a commercial heat pack can be represented as

4Fe (s) _ 3O2 (g) -> 2Fe2O3 (S) Delta H = -1652

How much heat is released when 4.80 moles of iron are reacted with excess ?

Heat =  kJ

How much heat is released when 1.00 mole of  is produced?

Heat =  kJ

How much heat is released when 1.70 g iron is reacted with excess ?

Heat =  kJ

How much heat is released when 10.4 g  and 1.80 g  are reacted?

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