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Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 10:07 am
by Gillian Ward 1F
When do we add Pt(s) to a cell diagram?

Re: Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 10:08 am
by timothy_ho_4B
Add Pt(s) to a cell diagram on the side that does not have a conducting solid. So each side must have a solid that is a conductor (usually look for metals).

Re: Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 6:45 pm
by Gillian Ward 1F
Are there any exceptions to this?

Re: Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 7:06 pm
by Celio_G_Dis2C
Not sure about exception, but one side of the cell diagram must have a conducting metal solid

Re: Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 7:08 pm
by Karishma_1G
A cell always has to have a conducting metal. If the reactants and products of the redox reaction are all aqueous, the electrons will not be transferred. In these scenarios you have to have an inert (one that does not take part in the reaction) electrode to attract the electrons/create a current.

Re: Adding Pt(s) to cell diagram

Posted: Fri Mar 15, 2019 7:09 pm
by Karishma_1G
The one exception to this that Dr. Lavelle mentioned was mercury since it is a liquid at room temperature. Though it is a liquid, it can still conduct electrons and act as an electrode.