Electrolytic Cell Production Rate Calculation
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Questions and Answers

What is the relationship between the amount of metal deposited and the amount of electricity in coulomb?

  • The amount of metal deposited is directly proportional to the square root of the amount of electricity in coulomb
  • The amount of metal deposited is directly proportional to the amount of electricity in coulomb (correct)
  • The amount of metal deposited is inversely proportional to the square root of the amount of electricity in coulomb
  • The amount of metal deposited is inversely proportional to the amount of electricity in coulomb

    • What is Faraday's constant (F) defined as?

  • The resistance offered by the electrolyte during electrodeposition
  • The measure of time required for electrodeposition
  • The measure of current density required for electrodeposition
  • The amount of electricity in coulomb required to deposit the equivalent weight of the metal (correct)

    • What does Faraday's law define?

  • The relationship between the amount of metal deposited and the quantity of electricity (correct)
  • The relationship between current and time during electrolysis
  • The relationship between resistance and electrode potential
  • The relationship between equivalent weight and current density

    • What is e in the equation m = eQt known as?

    <p>Electrochemical equivalent of the metal, defined as the amount of metal deposited in gram per coulomb</p> Signup and view all the answers

    What did Faraday evaluate using his experimental data to be 96500?

    <p>(eq.wt × Q) / (eq.wt × Q)</p> Signup and view all the answers

    What is the relationship between the amount of metal deposited and the amount of electricity in coulomb?

    <p>m ∝ eQt</p> Signup and view all the answers

    What is Faraday's constant (F) defined as?

    <p>The amount of electricity in coulomb required to deposit the equivalent weight of the metal</p> Signup and view all the answers

    What did Faraday evaluate using his experimental data to be 96500?

    <p>(eq.wt × Q) / e</p> Signup and view all the answers

    What is e in the equation m = eQt known as?

    <p>The amount of metal deposited in gram per coulomb</p> Signup and view all the answers

    What is the constant in the equation m = constant × (eq.wt × Q)?

    <p>(eq.wt × Q) / e</p> Signup and view all the answers

    Study Notes

    Relationship Between Metal Deposit and Electricity

    • The amount of metal deposited during electrolysis is directly proportional to the quantity of electricity passed, measured in coulombs.

    Faraday's Constant

    • Faraday's constant (F) is defined as the amount of electric charge required to deposit one mole of a substance during electrolysis.
    • It is approximately equal to 96500 coulombs per mole.

    Faraday's Law

    • Faraday's law of electrolysis states that the mass of a substance deposited or liberated at an electrode during electrolysis is proportional to the amount of electric charge passed through the electrolyte.

    The Variable "e"

    • In the equation ( m = eQt ), "e" represents the electrochemical equivalent of a substance, which indicates the mass of the substance deposited per unit charge.

    Faraday's Evaluation

    • Faraday evaluated his experimental data and determined that Faraday's constant is approximately 96500 coulombs per mole.

    Relationship Between Metal Deposit and Electricity (repeated)

    • Reinforces that there is a direct relationship where the metal deposited increases with the amount of electric charge supplied in coulombs.

    Faraday's Constant (repeated)

    • Emphasizes that Faraday's constant quantifies the relationship of charge and substance during electrolysis, fixed at about 96500 coulombs.

    Variable "e" (repeated)

    • Further explains that the variable "e" in the mass equation reflects how much mass corresponds to a specific amount of charge in electrochemical processes.

    Constant in the Equation

    • In the equation ( m = \text{constant} \times (\text{eq.wt} \times Q) ), the constant is framed in terms of electrochemical equivalence, linking charge and equivalent weight of the substance being deposited.

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    Description

    Test your understanding of Faraday's experiments on electrodeposition and the calculation of production rate in electrolytic cells based on the amount of electricity and equivalent weight of the metal. Explore the relationships between amount deposited, electricity, and equivalent weight.

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