Aluminum Forms a Layer of Aluminum Oxide When Exposed to Air

question 13

Multiple Choice

Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion. 4Al(s) + 3O₂(g) $\rarr$ 2Al₂O₃(s)
Calculate $\Delta$ G° for this reaction, given that $\Delta$ G°_f of aluminum oxide is -1576.4 kJ/mol.

• A)-3152.8 kJ/mol
• B)-1576.4 kJ/mol
• C)-788.2 kJ/mol
• D)1576.4 kJ/mol
• E)3152.8 kJ/mol

Recognize the potential of technology in transforming HR functions.

Understand the dynamic nature of external organizational environments and their impact on HR.

Define key environmental scanning processes and tools.

Identify key stakeholders and their influence on organizational strategy.

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