Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion. 4Al(s) + 302(g) → 2Al2O3(s) Using the thermodynamic data provided below, calculate AS for this reaction. S°(J/K mol) Al(s) 28.3 205.0 O₂(g) Al₂O3(s) -802.9 J/K mol 182.3 J/K mol 131.5 J/K mol -182.3 J/K mol O-626.2 J/K mol 50.99

General Chemistry - Standalone book (MindTap Course List)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.49QP: Calculate H and G for the following reactions at 25C, using thermodynamic data from Appendix C;...
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Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
4Al(s) + 302(g) → 2Al2O3(s)
Using the thermodynamic data provided below, calculate AS° for this reaction.
S°(J/K mol)
Al(s)
28.3
205.0
O₂(g)
Al₂O3(s)
-802.9 J/K-mol
182.3 J/K mol
131.5 J/K-mol
-182.3 J/K-mol
-626.2 J/K-mol
50.99
Transcribed Image Text:Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion. 4Al(s) + 302(g) → 2Al2O3(s) Using the thermodynamic data provided below, calculate AS° for this reaction. S°(J/K mol) Al(s) 28.3 205.0 O₂(g) Al₂O3(s) -802.9 J/K-mol 182.3 J/K mol 131.5 J/K-mol -182.3 J/K-mol -626.2 J/K-mol 50.99
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