Which of These Reactions Occurs at the Anode in This

question 41

Multiple Choice

Which of these reactions occurs at the anode in this fuel cell?
2H₂ + O₂ → 2H₂O

• A)H₂ + 4OH ⁻ → 4H₂O + 4e ⁻
• B)O₂ + 2H₂ O + 4e ⁻ → 4OH ⁻
• C)4OH ⁻ + 4H⁺ → 4H₂O
• D)4OH ⁻ + 4e − → 4H₂O
• E)none of these

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Definitions:

Conversion Cost

Conversion cost is the sum of direct labor and manufacturing overhead costs incurred to convert raw materials into finished goods.

Product Cost

The expenses incurred to create a product, including direct materials, direct labor, and manufacturing overhead.

Direct Materials

Raw materials that can be directly traced to the manufacturing of a product.

Period Cost

Costs that are expensed in the period in which they are incurred, as opposed to being capitalized or included in the cost of goods sold.