Free Nernst Equation Calculator
Calculate the cell potential under non-standard conditions using the Nernst equation, accounting for concentration effects.
V
K
Cell Potential (E)
1.1591 V
Cell Potential (E) vs Standard Cell Potential (E°)
Nernst Equation
Formula
E = E° − (RT / nF) × ln(Q)
Where:
At 25°C this simplifies to: E = E° − (0.0592/n) × log₁₀(Q)
Example Calculation
Cu/Zn cell with E° = 1.10 V, n = 2, T = 298 K, Q = 0.01.
- 01E = E° - (RT/nF) × ln(Q)
- 02E = 1.10 - (8.314×298)/(2×96485) × ln(0.01)
- 03E = 1.10 - (0.01285) × (-4.605)
- 04E = 1.10 + 0.0592
- 05E = 1.159 V
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