# Problem: Calculate ΔHrxn for the following reaction: Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g)Use the following reactions and given ΔH's.2 Fe(s) + 3/2 O2(g) → Fe2O3(s), ΔH = –824.2  kJCO(g) + 1/2 O2(g) → CO2(g), ΔH = –282.7  kJ

🤓 Based on our data, we think this question is relevant for Professor Grant's class at HUNTER.

###### FREE Expert Solution

We are asked to find ΔHrxn for the following reaction:  Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g)

Modify the equation in such a way that it adds up to be the target reaction.

Reaction                                                                                                Modification

Fe2O3(s) → 2 Fe(s) + 3/2 O2(g)                                                            -Eqn1   [reversed]
3 CO(g) +  3/2 O2(g)  → 3 CO2(g)                                                       +3Eqn2   [multiplied by 3]

_________________________________

Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) ###### Problem Details

Calculate ΔHrxn for the following reaction: Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g)
Use the following reactions and given ΔH's.
2 Fe(s) + 3/2 O2(g) → Fe2O3(s), ΔH = –824.2  kJ
CO(g) + 1/2 O2(g) → CO2(g), ΔH = –282.7  kJ