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Topic: Concentration galvanic cell  (Read 1984 times)

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Offline kapital

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Concentration galvanic cell
« on: February 17, 2019, 06:20:43 AM »
Why does diffrence only in concetration couse voltage difference? I know it can be calculated with Nernst equation but I am interesting in underlaying mechanism. Thanx for answers.
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Offline chenbeier

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Re: Concentration galvanic cell
« Reply #1 on: February 19, 2019, 07:01:27 AM »
What do you mean with: underlaying mechanism. The voltage depends on the kind of metals for Anode and Cathode and the concentration of them, nothing more. As you pointed out already, calculation is done with Nernst equation.
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Offline kapital

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Re: Concentration galvanic cell
« Reply #2 on: February 19, 2019, 08:50:13 AM »
I do not undestened how ions cotribute to potential. I understand metals have diffrent electronegativity(or electric potential), but I do not undesrstand the role of ions in that.
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