Potential Difference

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Tiffany Wu 1K
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Joined: Wed Sep 21, 2016 2:56 pm

Potential Difference

Postby Tiffany Wu 1K » Thu Feb 09, 2017 12:25 am

On page 45 of the course reader, it talks about potential difference between electrodes. Can someone explain in depth what that means?

Posts: 24
Joined: Wed Sep 21, 2016 3:00 pm

Re: Potential Difference

Postby Alexa_Kwang_1D » Thu Feb 09, 2017 7:19 am

Potential difference, also known as voltage, is the difference in electric potential between the two electrodes and is equal to the work done per unit of charge against an electric field to move a charge between the electrodes. Negatively charged particles are pulled towards higher potential differences, and positively charged particles are pulled towards lower voltages. The conventional current thus always passes from high potential difference to low potential difference.

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

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