The overall reaction in a commercial heat pack can be represented as
4Fe(s) + 3O2(g) → 2Fe2O3(s) ΔH = –1652 kJ
a. How much heat is released when 4.00 moles of iron is reacted with excess O2?
b. How much heat is released when 1.00 mole of Fe2O3 is produced?
c. How much heat is released when 1.00 g iron is reacted with excess O2?
d. How much heat is released when 10.0 g Fe and 2.00 g O2 are reacted?