Solution of the problem 294 of the collection on genera

Solution of the problem 294 of the collection on genera

294. Compare the ΔHº298 reaction for the reduction of iron (III) oxide by various reducing agents at 298 K:

A) Fe2O3 (k) + 3H2 (g) = 2Fe (k.) + 3H2O (g)

B) Fe2O3 (k) + 3C (graphite) = 2Fe (k) + 3CO (g)

C) Fe2O3 (k) + 3CO (g) = 2Fe (k) + 3CO2 (g)