Calculate AHrxn for the following reaction Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) AH = ? Given that 2 Fe (s) + O2(g) → Fe2O3 (s) AH =-824.2 kJ CO (g) + } Oz (g) → CO2 (g) ΔΗ = -282.7 ΚΙ

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Chapter6: Thermochemisty
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Problem 6.94QP
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I know the answer is -23.9kJ but I didn't understand why during class. 

I would appreciate any help on how to solve this step by step, thank you. 

Calculate AHrxn for the following reaction
Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) AH = ?
Given that
2 Fe (s) + O2(g) → Fe2O3 (s) AH =-824.2 kJ
CO (g) + } Oz (g) → CO2 (g)
ΔΗ = -282.7 ΚΙ
Transcribed Image Text:Calculate AHrxn for the following reaction Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) AH = ? Given that 2 Fe (s) + O2(g) → Fe2O3 (s) AH =-824.2 kJ CO (g) + } Oz (g) → CO2 (g) ΔΗ = -282.7 ΚΙ
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