Electrochemical Cells and Thermodynamics Quiz
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Questions and Answers

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?

  • 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?

  • 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?

    <p>Emf at non-standard conditions</p> Signup and view all the answers

    What is the significance of molar conductivity at zero concentration (✆m) in the context of ionic solutions?

    <p>It denotes the molar conductivity at infinite dilution</p> Signup and view all the answers

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