A Fuel Cell Works on the Same Principle as a Battery

question 74

Multiple Choice

A fuel cell works on the same principle as a battery but is continually fed with fuel. In one fuel cell, methanol (CH₃OH) enters on one side of the unit, and air enters on the other side. Both circulate past electrodes, and a chemical reaction occurs that produces electricity plus carbon dioxide and water as byproducts. Which chemical reaction equation best represents the reaction that occurs in this fuel cell?

• A) CH₃OH  CO₂ + H₂O
• B) CH₃OH  CH₃ + OH
• C) CH₃OH  CH₂ + H₂O
• D) CH₃OH + O₂  CO₂ + H₂O
• E) 2CH₃OH + 3O₂  2CO₂ + 4H₂O

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Equilibrium Price

The price at which the quantity of a good or service demanded by consumers equals the quantity supplied by producers, leading to market balance.

Leather

A durable and flexible material created by tanning animal hides, used in making clothing, furniture, and various goods.

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