What is the Nernst equation for a half-reaction involving 2 electrons at 25°C?

What is the Nernst equation for a half-reaction involving 2 electrons at 25°C?

Step 1: Understand that the Nernst equation helps calculate the cell potential (E) under non-standard conditions.
Step 2: Know that the standard cell potential (E°) is the potential under standard conditions.
Step 3: Identify that 'n' is the number of electrons transferred in the half-reaction. In this case, n = 2.
Step 4: Recognize that Q is the reaction quotient, which is a measure of the concentrations of the reactants and products.
Step 5: Write down the Nernst equation: E = E° - (0.059/n)log(Q).
Step 6: Substitute n = 2 into the equation: E = E° - (0.059/2)log(Q).
Step 7: Simplify the equation to E = E° - 0.0295log(Q) for the specific case of 2 electrons at 25°C.

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