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Questions and Answers
Which type of cell is used for electrolysis?
Which type of cell is used for electrolysis?
What is the Nernst equation used for?
What is the Nernst equation used for?
What is the molar conductivity at zero concentration or infinite dilution called?
What is the molar conductivity at zero concentration or infinite dilution called?
What is the relation between the standard potential of a cell, Gibbs energy of the cell reaction, and its equilibrium constant?
What is the relation between the standard potential of a cell, Gibbs energy of the cell reaction, and its equilibrium constant?
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What does Kohlrausch's law enunciate?
What does Kohlrausch's law enunciate?
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Study Notes
Electrolysis
- An electrolytic cell is used for electrolysis, which is a non-spontaneous redox reaction that requires an external voltage source.
Nernst Equation
- The Nernst equation is used to relate the reduction potential of a half-cell to the standard electrode potential, temperature, and activities of the species involved.
Molar Conductivity
- The molar conductivity at zero concentration or infinite dilution is called limiting molar conductivity (Λ°).
Cell Potential, Gibbs Energy, and Equilibrium Constant
- The standard potential of a cell (E°), Gibbs energy of the cell reaction (ΔG), and its equilibrium constant (K) are related by the equation: ΔG = -nFE° = -RT lnK.
Kohlrausch's Law
- Kohlrausch's law states that at infinite dilution, the molar conductivity of an electrolyte solution is equal to the sum of the molar conductivities of its individual ions.
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Description
Test your knowledge on electrochemical cells, Nernst equation, standard potential, and resistivity in this quiz.
