A Fuel Cell Designed to React Grain Alcohol with Oxygen

question 50

Multiple Choice

A fuel cell designed to react grain alcohol with oxygen has the following net reaction:
C₂H₅OH(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(l)
The maximum work that 1 mol of alcohol can yield by this process is 1320 kJ. What is the theoretical maximum voltage this cell can achieve?

• A) 1.14 V
• B) 2.28 V
• C) 13.7 V
• D) 2.01 V
• E) 0.760 V

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