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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) + 3O2(g) ? 2Al2O3(s)
Calculate ?G° for this reaction, given that ?G°f of aluminum oxide is -1576.4 kJ/mol.
a. -788.2 kJ/mol
b. 3152.8 kJ/mol
c. -1576.4 kJ/mol
d. -3152.8 kJ/mol
e. 1576.4 kJ/mol
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