Fuel Cells

Question 1

Fuel cells use ____ and ____ to produce ______ ______

Answer 1

Fuel and oxygen Electrical energy

Question 2

What is a fuel cell?

Answer 2

A fuel cell is an electrical cell that supplied with fuel and oxygen, and uses energy from the reaction between them to produce electrical energy efficiently

Question 3

When the fuel enters the cell, what happens?

Answer 3

It becomes oxidise and set up a potential difference within the cell

Question 4

What can hydrogen-oxygen fuel cells be used in?

Answer 4

Vehicles

Question 5

What is an advantage to fuel cell vehicles?

Answer 5

Fuel cell vehicles don’t producers many pollutants as other fuels. No greenhouse gases, nitrogen oxide sulphur dioxide or carbon monoxide. The only byproducts are water and heat.

Question 6

What reaction do hydrogen-oxygen fuel cells involve?

Answer 6

Redox reaction

Question 7

What is the negative electrode called?

Answer 7

Anode

Question 8

What is the positive electrode called?

Answer 8

Cathode

Question 9

Is there a reduction at the cathode or the anode?

Answer 9

Cathode

Question 10

What happens at the cathode?

Answer 10

Reduction

Question 11

Is that oxidation at the cathode or the anode?

Answer 11

Anode

Question 12

What happens at the anode?

Answer 12

Reduction

Question 13

What has to happen for a redox reaction to occur?

Answer 13

Electrons transferred