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13 Dec 2019
At what temperature, Teq, do the forward and reversecorrosion reactions occur in equilibrium?
The chemical reaction that causes aluminum to corrode in air isgiven by
4Al+3O2?2Al2O3
in which at 298 K
?Hrxn? = ?3352 kJ ?Srxn
= ?625.1 J/K
What is the standard Gibbs free energy for this reaction? Assumethe commonly used standard reference temperature of 298 K?
What is the Gibbs free energy for this reaction at 5975K ?Assume that ?H and ?S do not change withtemperature.
At what temperature, Teq, do the forward and reversecorrosion reactions occur in equilibrium?
At what temperature, Teq, do the forward and reversecorrosion reactions occur in equilibrium?
The chemical reaction that causes aluminum to corrode in air isgiven by
4Al+3O2?2Al2O3
in which at 298 K
| ?Hrxn? | = ?3352 kJ |
?Srxn | = ?625.1 J/K |
What is the standard Gibbs free energy for this reaction? Assumethe commonly used standard reference temperature of 298 K?
What is the Gibbs free energy for this reaction at 5975K ?Assume that ?H and ?S do not change withtemperature.
At what temperature, Teq, do the forward and reversecorrosion reactions occur in equilibrium?
Lelia LubowitzLv2
17 Dec 2019
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