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Endgame 5 and 7

Posted: Fri Mar 13, 2020 7:24 pm
by JChen_2I
How comes in Endgame question 5, you were able to add the standard cell potentials to get -0.16V but you can't add the standard cell potentials in #7? Shouldn't you not be able to add them in 5 because cell potential isn't a state potential?

Re: Endgame 5 and 7

Posted: Fri Mar 13, 2020 11:35 pm
by MingdaH 3B
You can add them in 5 because they're part of a cathode anode system, but standard Ecell is not a state function in either case.

Re: Endgame 5 and 7

Posted: Fri Mar 13, 2020 11:58 pm
by Anuradha S 1F
MingdaH 3B wrote:You can add them in 5 because they're part of a cathode anode system, but standard Ecell is not a state function in either case.


Thank you!! This was confusing me as well