Question

Derive the Nernst expression for galvanic cell.

23 Jan 2025
Answer :
Word Count : 356
The Nernst equation is a fundamental relation in electrochemistry that describes the cell potential of a galvanic cell under non-standard conditions. Below is the derivation of the equation: ### Step 1: Standard Cell Potential A general redox reaction in a galvanic cell can be written as: \[ aA + bB \rightarrow cC + dD \] The standard cell potential (\( E^\circ \)) is given by: \[ E^\circ_{\text{cell}} = E^\circ_{\text{cathode}} - E^\circ_{\text{anode}} \] where \( E^\circ \) represents the standard reduction potentials of the electrodes. ### Step 2: Relation to _______ __________ __________ _________ ________ ____.
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