Worksheet for Will Fuel Cells Replace Gasoline Powered Cars



Worksheet for Chemistry Inside Hydrogen Fuel Cell Cars?

Use this web site to help you answer the following questions.



Road to the Future:

Part 1: Fuel Cell Systems

1. Define fuel cell:

2. What powers a fuel cell car?

3. What is the purpose of the fuel tank in a Hydrogen powered car?

Part 2: The fuel cell

1. Why do they stack fuel cells?

2. Fuel cells require hydrogen and oxygen.

a. Which of the 2 substances is readily available in the air?

b. List the 2 main sources of hydrogen.

1.

2.

c. What is a fuel cell’s only emission

Part 2: The fuel cell – Inside the fuel cell

1. Define anode:

2. A catalyst is a substance which accelerates a chemical reaction.

a. The platinum catalyst accelerates the reaction between what 2 substances?

3. What is the PEM and how does it work in the fuel cell?

4. Define cathode:

5. What is the purpose of the cathode?

CONTINUE ON REVERSE(

Part 3 Fuel cell chemistry

What happens on the anode side?

1. How does hydrogen gas (H2) enter the system?

2. What happens when the H2 molecule hits the catalyst? Identify the 2 pieces.

3. Where do the electrons go and what is their job?

4. Finish this equation: 2 H2 (

What happens on the cathode side?

1. What gas enters the fuel cell on the cathode side?

2. What is the function of the catalyst?

3. How are the H+ ions forced through the membrane?

4. What comes out of the exhaust pipe of a fuel cell car?

5. Finish this equation: O2 + 4H+ ( 4e- ( 2 H20

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