# Problem: Consider the following reaction. 2Fe2O3 → 4Fe + 3O2     ΔH°rxn = + 824.2 kJ The decomposition of 33.0 g of Fe2O3 results in (a) the release of 85.2 kJ of heat. (b) the release of 1.70 x 102 kJ of heat. (c) the absorption of 85.2 kJ of heat. (d) the absorption of 1.70 x 102 kJ of heat. (e) the absorption of 13600 kJ of heat. (f) the release of 13600 kJ of heat.

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###### FREE Expert Solution ###### Problem Details

Consider the following reaction.

2Fe2O3 → 4Fe + 3O2     ΔH°rxn = + 824.2 kJ

The decomposition of 33.0 g of Fe2O3 results in

(a) the release of 85.2 kJ of heat.

(b) the release of 1.70 x 102 kJ of heat.

(c) the absorption of 85.2 kJ of heat.

(d) the absorption of 1.70 x 102 kJ of heat.

(e) the absorption of 13600 kJ of heat.

(f) the release of 13600 kJ of heat.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofConsider the following reaction. 2Fe2O3 → 4Fe + 3O2     ΔH°r...as medium difficulty.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Hillyard's class at CSU CHICO.