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13 Dec 2019

The chemical reaction that causes iron to rust in air is given by

4Fe+3O2?2Fe2O3

in which

?Hrxn? =?1648.4 kJ
?Srxn?

=?543.7 J/K

1. What is the Gibbs free energy for this reaction at 3200 K? Assume that ?H and ?S do not change with temperature.

2. At what temperature Teq do the forward and reverse rusting reactions occur in equilibrium?

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Nestor Rutherford
Nestor RutherfordLv2
17 Dec 2019

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