A Fuel Cell Works on the Same Principle as a Battery

question 73

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 balanced 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

---

Definitions:

Deadweight Loss

The loss of economic efficiency that can occur when the free market equilibrium for a good or a service is not achieved, leading to a loss of total welfare or economic surplus.

Price Ceilings

Regulatory measures that set a maximum price that can be charged for a product or service, intended to protect consumers from excessive pricing.

Price Floors

Legally established minimum prices for goods or services, aimed at preventing prices from falling too low, often used in agriculture.

Market Failure

A situation where the allocation of goods and services by a free market is not efficient, often leading to negative externalities or a lack of public goods.