Question
Derive the Nernst expression for galvanic cell.
Answer :
Word Count : 507
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The Nernst equation is a fundamental equation in electrochemistry that relates the electromotive force (EMF) of an electrochemical cell to the concentrations of the reactants and products involved in the cell's redox reaction. This equation is named after the German physical chemist Walther Nernst, who developed it in the late 19th century. The Nernst equation is particularly important in the field of electro-analytical chemistry as it provides a theoretical framework for understanding the behavior of galvanic cells.
The general form of the Nernst equation for a galvanic cell is as follows:
Ecell = E°cell - (RT/nF) * ln(Q)
Where:
- Ecell is the cell potential
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