Question #1ffa9

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Ernest Z. · Media Owl
Mar 31, 2015

The reaction will produce 89.4 kJ of heat.

Explanation:

"Fe"_2"O"_3 + "3CO" → "2Fe" + "3CO"_2Fe2O3+3CO→2Fe+3CO2

According to the balanced equation, 1 mol of "Fe"_2"O"_3Fe2O3 produces 26.3 kJ of heat.

Treat the heat as if it were a product in the reaction. Then

3.40 cancel("mol Fe"_2"O"_3) × "26.3 kJ"/(1 cancel("mol Fe"_2"O"_3)) = "89.4 kJ"

The reaction produces 89.4 kJ of heat.

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