Cell Diagrams

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Angela Prince 1J
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Joined: Sat Aug 24, 2019 12:17 am

Cell Diagrams

Postby Angela Prince 1J » Wed Mar 04, 2020 6:57 pm

When you have a nonmetal in the reaction, how do you know when to use platinum and when to use graphite as an inert conductor?

Angela Prince 1J
Posts: 102
Joined: Sat Aug 24, 2019 12:17 am

Re: Cell Diagrams

Postby Angela Prince 1J » Wed Mar 04, 2020 7:10 pm

Also, why do we not use the balanced redox reaction (and each molecule's stoichiometric coefficients) when writing out the cell diagram?

Rohit Ghosh 4F
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Joined: Thu Jul 25, 2019 12:17 am

Re: Cell Diagrams

Postby Rohit Ghosh 4F » Sun Mar 08, 2020 5:16 pm

Either platinum or graphite can be used as an inert conductor for most reactions in which they are needed.

Rohit Ghosh 4F
Posts: 99
Joined: Thu Jul 25, 2019 12:17 am

Re: Cell Diagrams

Postby Rohit Ghosh 4F » Sun Mar 08, 2020 5:17 pm

A cell diagram is just shorthand notation for the overall reaction that occurs in a cell. Because stochiometric coefficients can easily be determined from this shorthand notation, it is not necessary for them to just be included.

Tyler Angtuaco 1G
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Joined: Wed Sep 11, 2019 12:16 am

Re: Cell Diagrams

Postby Tyler Angtuaco 1G » Sun Mar 08, 2020 5:18 pm

Both are fine since they are inert and allow the redox reactions to occur.

Nohemi Garcia 1L
Posts: 103
Joined: Fri Aug 02, 2019 12:15 am

Re: Cell Diagrams

Postby Nohemi Garcia 1L » Sun Mar 08, 2020 5:35 pm

You add platinum (s) or carbon (gr) when the anode and/or the cathode have no solid conductors in the cell diagram (they either have nonmetals or metals in an aqueous phase). As far as I know, platinum and carbon can be used interchangeably, but platinum is more common.

Anish Natarajan 4G
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Re: Cell Diagrams

Postby Anish Natarajan 4G » Sun Mar 08, 2020 5:37 pm

Either can be used if there is no solid metal on either the anode or cathode

Tahlia Mullins
Posts: 105
Joined: Thu Jul 25, 2019 12:15 am

Re: Cell Diagrams

Postby Tahlia Mullins » Sun Mar 08, 2020 5:38 pm

Either inert metal can be used when either the cathode or the anode has no solid conductor, but platinum is the most common.


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