Electrochemical Cells and Thermodynamics Quiz
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Questions and Answers

What is the method for measurement of conductivity of electrolytic solutions?

  • Conductometry (correct)
  • Titration
  • Spectroscopy
  • Potentiometry

What does Kohlrausch law enunciate?

  • The equilibrium constant of the cell reaction
  • The relationship between temperature and conductivity
  • The variation of molar conductivity with concentration (correct)
  • The calculation of emf of galvanic cell

What does the Nernst equation calculate for a galvanic cell?

  • Equilibrium constant of the cell reaction
  • Electromotive force (emf) of the cell (correct)
  • Standard potential of the cell
  • Molar conductivity

What does resistivity (ρ) measure in ionic solutions?

<p>The opposition to the flow of electric current (B)</p> Signup and view all the answers

What does molar conductivity at zero concentration (Λ°m) define?

<p>The conductivity at infinite dilution (A)</p> Signup and view all the answers

What are the two types of electrochemical cells?

<p>galvanic and electrolytic cells</p> Signup and view all the answers

What does the Nernst equation calculate for a galvanic cell?

<p>the emf (electromotive force)</p> Signup and view all the answers

What does resistivity (ρ) measure in ionic solutions?

<p>opposition to the flow of current</p> Signup and view all the answers

What does molar conductivity at zero concentration (Λ°m) define?

<p>maximum molar conductivity</p> Signup and view all the answers

What does Kohlrausch law enunciate?

<p>the molar conductivity of an electrolyte at infinite dilution</p> Signup and view all the answers

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