Electrochemistry Basics
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Questions and Answers

What is the relationship between E0cell and ΔG°?

  • Negative (correct)
  • Positive
  • Directly proportional
  • Indirectly proportional

    • How does the concentration of ions affect the potential of an electrode?

  • Has no effect
  • Changes polarity
  • Decreases potential
  • Increases potential (correct)

    • What is the definition of resistivity?

  • The measure of obstruction to current flow
  • The resistance of a conductor of 1cm length (correct)
  • Resistance of a conductor with 1cm² cross-section
  • Reciprocal of resistance

    • What is the unit of molar conductance?

    <p>Ohm-1 cm2 mol-1</p> Signup and view all the answers

    What happens to specific conductance with dilution?

    <p>Decreases</p> Signup and view all the answers

    What is the electrode where oxidation takes place called in a galvanic cell?

    <p>Anode</p> Signup and view all the answers

    What is the fundamental unit of electrical charge?

    <p>Coulomb</p> Signup and view all the answers

    In an electrochemical series, how are elements arranged?

    <p>By standard electrode potential</p> Signup and view all the answers

    What is the formula to calculate ΔG° in terms of standard cell potential and Faraday's constant?

    <p>-ΔG° = nFE₀cell</p> Signup and view all the answers

    What is assigned an arbitrary value of zero in electrochemistry?

    <p>Standard electrode potential</p> Signup and view all the answers

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