Electrolysis Flashcards
1
Q
What is an electrolyte?
A
A molten or dissolved ionic compound
2
Q
Where does the cations move to?
A
The cathode
3
Q
Where do the anions move to?
A
The anode
4
Q
What is the charge of the cathode?
A
Negative
5
Q
What is the charge of the anode?
A
Positive
6
Q
What happens to the ions during electrolysis?
A
- The negative ions move towards the positive electrode and lose electrons (oxidation)
- The positive ions move towards the negative electrode and gain electrons (reduction)
7
Q
What is electrolysis?
A
The decomposition of an ionic compound using electricity (direct current)
8
Q
What fuel is normally used in fuel cells?
A
Hydrogen and Oxygen
9
Q
What is a disadvantage of transporting hydrogen?
A
- Hydrogen is a gas so it takes up more space to store than liquid fuels
- It is very explosive
10
Q
What type of energy is produced in a fuel cell?
A
Heat energy
