   Chapter 18, Problem 9ALQ

Chapter
Section
Textbook Problem

# Explain why cell potentials are not multiplied by the coefficients in the balanced redox equation. (Use the relationship between ΔG and cell potential to do this.)

Interpretation Introduction

Interpretation:

The non-multiplication of cell potential by the coefficients in the balanced redox equation is to be stated.

Concept introduction:

Intensive property is that property which is independent of the quantity of matter. Cell potential is also an intensive property and is therefore not affected by the coefficients in the balanced redox equation.

To determine: The non-multiplication of cell potentials by the coefficients in the balanced redox equation.

Explanation

The cell potential is an intensive property which means it does not depend on quantity of matter and therefore, it is not multiplied by the coefficients in the balanced redox equation.

For a reaction to be balanced, the number of electrons gained must be equal to the number of electrons lost. This helps to maintain the overall charge of the reaction.

The Gibbs free energy change is given by the relation, ΔG = -nFEcell , now using this relation, the value of E

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