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Postby PeterTran1C » Wed Mar 14, 2018 2:48 pm

Is all we need to know for electrolysis is that it takes a external supply of energy/current supply to drive a non-spontaneous reaction? Also, that it takes electrical energy to chemical energy? What else would we be required to know?

Rachel Formaker 1E
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Re: Electrolysis

Postby Rachel Formaker 1E » Wed Mar 14, 2018 3:06 pm

I think if you're told that it is an electrolytic cell, you should also be able to calculate standard cell potential by putting the reaction with the higher standard reduction potential at the anode rather than cathode.
Basically, this would be the reverse of a Galvanic cell, so you could calculate a standard cell potential.
In this case, the standard cell potential would be negative, rather than the expected positive.

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