Is Farady's law applicable to electrochemical cell

In summary, Faraday's Law is a fundamental principle in electromagnetism and is applicable to various types of electrochemical systems. It states that the amount of chemical change in an electrolytic cell is directly proportional to the amount of electric charge that flows through the cell. This allows us to calculate the amount of charge or current in an electrochemical cell using the equation Q = nF. However, there are exceptions to Faraday's Law, such as in high temperature or pressure conditions. Faraday's Law is used in practical applications of electrochemical cells for powering electronic devices, producing hydrogen gas, and corrosion protection for metals.
  • #1
u_know_who
19
0
Farady's law are derived for electrolysis. My question is the same rule can be applied in the analysis of electrochemical cell? I think those two cell (electrolytic and electrochemical) are just opposite functional to each other.
 
Chemistry news on Phys.org
  • #2
Yes, you can use it to calculate the amount of electrode consumed in generating a certain current.
 

1. Is Faraday's Law only applicable to electrochemical cells?

No, Faraday's Law is a fundamental principle in electromagnetism and is applicable to various types of electrochemical systems, including batteries, fuel cells, and electrolysis cells.

2. What is Faraday's Law and how does it apply to electrochemical cells?

Faraday's Law states that the amount of chemical change in an electrolytic cell is directly proportional to the amount of electric charge that flows through the cell. In other words, the more charge that is passed through the cell, the more chemical reactions occur, and vice versa.

3. Can Faraday's Law be used to calculate the amount of charge or current in an electrochemical cell?

Yes, Faraday's Law can be used to calculate the amount of charge or current in an electrochemical cell. The equation is Q = nF, where Q is the amount of charge (in Coulombs), n is the number of moles of electrons transferred, and F is Faraday's constant (96,485 C/mol).

4. Are there any exceptions to Faraday's Law in electrochemical cells?

Yes, there are some exceptions to Faraday's Law in electrochemical cells. For example, if the cell operates at high temperatures or pressures, or if there are side reactions occurring, the amount of chemical change may not be directly proportional to the amount of charge passed through the cell.

5. How is Faraday's Law used in practical applications of electrochemical cells?

Faraday's Law is used in many practical applications of electrochemical cells, such as in batteries and fuel cells for powering electronic devices, in electrolysis cells for producing hydrogen gas, and in corrosion protection for metals. It allows us to accurately predict and control the chemical reactions occurring in these systems.

Similar threads

Replies
1
Views
977
Replies
1
Views
3K
Replies
1
Views
6K
Replies
1
Views
4K
Replies
7
Views
4K
  • Atomic and Condensed Matter
Replies
4
Views
2K
  • Biology and Chemistry Homework Help
Replies
6
Views
2K
Replies
9
Views
971
Back
Top