iTeachChem•2y ago

electrochemistry

Why is working condition for a cell at eqm can anyone explain?

iTeachChem Helper•6/2/24, 4:34 PM

@Dexter

iTeachChem Helper•6/2/24, 4:34 PM

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iTeachChem•6/2/24, 4:42 PM

you mean eq pe e = 0?

iTeachChem•6/2/24, 4:42 PM

have you done the derivation for nernst eqn starting from dg = dg0 + rt ln q?

IiTeachChem have you done the derivation for nernst eqn starting from dg = dg0 + rt ln q?

GamertugOP•6/2/24, 4:44 PM

In my note book it's dg0 + rtln q

iTeachChem•6/2/24, 4:45 PM

ah yes my b +

GamertugOP•6/2/24, 4:45 PM

Yes i did it

iTeachChem•6/2/24, 4:45 PM

thanks for the clarification

iTeachChem•6/2/24, 4:45 PM

so, when q = K, dg = 0, right?

iTeachChem•6/2/24, 4:45 PM

and dg = nFE

iTeachChem•6/2/24, 4:45 PM

so E is 0 at eq

IiTeachChem so, when q = K, dg = 0, right?

GamertugOP•6/2/24, 4:46 PM

Is this from eqm ch? my memory is a bit fuzzy

iTeachChem•6/2/24, 4:47 PM

yea! i have done this in detail in my electrochem session, take a look. should take you 10 min probably

iTeachChem•6/2/24, 4:47 PM

alternatively, just read this up on chem libre texts

iTeachChem•6/2/24, 4:47 PM

electrochem is like thatm need to do gaseous state, thermo and eq before it properly for it to make sense

iTeachChem•6/2/24, 4:47 PM

and redox!

GamertugOP•6/2/24, 4:47 PM

GamertugOP•6/2/24, 4:48 PM

Oh ok thx got it

GamertugOP•6/2/24, 4:49 PM

+solved @iTeachChem

iTeachChem Helper•6/2/24, 4:49 PM

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