Question

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).

ΔG° for this reaction is ___________ and this reaction is ____________ .

	ΔG°f (kJ/mol)
Al(s)	0
O2(g)	0
Al2O3(s)	-1576.4

Select one:

a. 0 kJ/mol; at equilibrium

b. 3152.8 kJ/mol; spontaneous

c. 3152.8 kJ/mol; nonspontaneous

d. -3152.8 kJ/mol; spontaneous

e. -3152.8 kJ/mol, nonspontaneous

Answer 1

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