The Nernst equation is used to determine the value of ecell for an electrochemical reaction under non-standard conditions; The difference between ecell and eocell is a function of cell potential of standard and non-standard state.
The Nernst equation is an equation that compares an atom's or ion's capacity to accept one or more electrons (reduction potential) under any conditions to that measured under standard test conditions (standard reduction potentials) of 298K and one molar or atmospheric pressure.
The Nernst equation is used to determine the voltage of an electrochemical cell or the concentration of one of the cell's components.
Eocell is the standard state cell potential, which means that the condition is met for solutes or 1 bar for gases. Ecell is the cell potential in a non-standard state. To calculateĀ Ecell using Eocell, use the Nernst equation.
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