electrodes


Moderators: Chem_Mod, Chem_Admin

MariaJohn1D
Posts: 50
Joined: Wed Nov 08, 2017 3:01 am

electrodes

Postby MariaJohn1D » Sun Mar 15, 2020 6:45 am

What does it mean by standard potential of an electrode is the standard potential of the cell in which electrodes lies on the right and hydrogen electrodes lies on the left?

sarahsalama2E
Posts: 164
Joined: Fri Aug 30, 2019 12:16 am

Re: electrodes

Postby sarahsalama2E » Sun Mar 15, 2020 7:03 am

Remember that the most positive reduction potential will be at the cathode, getting reduced, and the more negative one will be at the anode. In this case, hydrogen is SHE and is 0.00 V. because the hydrogen electrode lies on the left, in a cell diagram, for example, that means it is at the anode, and the other thing must be more positive.

sarahsalama2E
Posts: 164
Joined: Fri Aug 30, 2019 12:16 am

Re: electrodes

Postby sarahsalama2E » Sun Mar 15, 2020 7:04 am

Remember that the most positive reduction potential will be at the cathode, getting reduced, and the more negative one will be at the anode. In this case, hydrogen is SHE and is 0.00 V. because the hydrogen electrode lies on the left, in a cell diagram, for example, that means it is at the anode, and the other thing must be more positive.

Rafsan Rana 1A
Posts: 55
Joined: Sat Aug 24, 2019 12:16 am

Re: electrodes

Postby Rafsan Rana 1A » Sun Mar 15, 2020 4:21 pm

Is it safe to assume the hydrogen cell will be the anode because when calculating E cell standard, any positive number minus 0 will give a postive voltage?


Return to “Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)”

Who is online

Users browsing this forum: No registered users and 2 guests