Max Potential

Moderators: Chem_Mod, Chem_Admin

BNgo_2L
Posts: 95
Joined: Wed Sep 11, 2019 12:17 am

Max Potential

Postby BNgo_2L » Wed Feb 19, 2020 8:03 pm

In lecture today, what did Dr. Lavelle mean when he said that the max potential occurs when there is "very little current flows?" Furthermore, what does max potential in mean?

Kevin Xu 4F
Posts: 50
Joined: Fri Aug 09, 2019 12:16 am

Re: Max Potential

Postby Kevin Xu 4F » Wed Feb 19, 2020 8:33 pm

He meant that the max potential occurs when there is little to no current because that is when the potential difference in the galvanic cell is at its maximum, since it decreases over time when the current flows through the cell. Maximum potential means the most energy available to do work, which can be represented by E not and calculated by the standard reduction potentials of the oxidation reduction half reactions.

Brooke Yasuda 2J
Posts: 102
Joined: Sat Jul 20, 2019 12:17 am

Re: Max Potential

Postby Brooke Yasuda 2J » Wed Feb 19, 2020 8:55 pm

Maximum work occurs right before current flows because immediately when current begins flowing, the electric potential begins to decrease until it reaches zero. So, when asked a question about maximum potential, it is right before the circuit is closed or right before any reaction begins.

Madelyn Romberg 1H
Posts: 102
Joined: Tue Oct 02, 2018 12:16 am

Re: Max Potential

Postby Madelyn Romberg 1H » Wed Feb 19, 2020 10:36 pm

Max potential occurs right before the cells are connected because the electric potential is the greatest (nothing is flowing between them.) As time goes on, the system heads towards equilibrium and the electric potential decreases.

505306205
Posts: 97
Joined: Thu Jul 25, 2019 12:15 am

Re: Max Potential

Postby 505306205 » Wed Feb 19, 2020 11:58 pm

Maximum voltage occurs right when the switch is closed, which is when there is least current flowing.

DHavo_1E
Posts: 118
Joined: Sat Aug 17, 2019 12:17 am

Re: Max Potential

Postby DHavo_1E » Sun Feb 23, 2020 7:11 pm

505306205 wrote:Maximum voltage occurs right when the switch is closed, which is when there is least current flowing.



Hello,

Could you explain the relationship between maximum voltage and how there is the least amount of current flowing? What is the implication and meaning of little current flowing? Thank you!


Return to “Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams”

Who is online

Users browsing this forum: No registered users and 1 guest