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Questions and Answers
What is the Nernst equation used for in the context of electrochemical cells?
What is the Nernst equation used for in the context of electrochemical cells?
- Quantifying the molar conductivity of electrolytic solutions
- Measuring the resistivity of ionic solutions
- Calculating the emf of a galvanic cell (correct)
- Determining the standard potential of a cell
What does the Kohlrausch law describe in the context of molar conductivity?
What does the Kohlrausch law describe in the context of molar conductivity?
- Variation of molar conductivity with temperature
- Change in molar conductivity with pressure
- Addition of molar conductivity of multiple ions (correct)
- Calculation of molar conductivity at infinite dilution
What is the relationship between standard potential of a cell, Gibbs energy of cell reaction, and its equilibrium constant?
What is the relationship between standard potential of a cell, Gibbs energy of cell reaction, and its equilibrium constant?
- They are independent of each other
- Equilibrium constant is inversely proportional to Gibbs energy
- Standard potential is directly proportional to Gibbs energy
- There is a logarithmic relation between all three (correct)
What does the Nernst equation allow calculation of for a galvanic cell?
What does the Nernst equation allow calculation of for a galvanic cell?
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What is the significance of molar conductivity at zero concentration (✆m) in the context of ionic solutions?
What is the significance of molar conductivity at zero concentration (✆m) in the context of ionic solutions?
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