Electrochemistry Concepts
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Questions and Answers

Given specific conductance K, resistance R, distance l, and cross-sectional area A, what is the specific resistance?

  • $\frac{1000 \times K}{R \times A}$
  • $\frac{R \times A}{l}$ (correct)
  • $\frac{l}{RA}$
  • $\frac{R \times A}{1000 \times K}$

    • What is equal to $\frac{1}{R \times A}$?

  • $\frac{R \times l}{A}$
  • $\frac{1}{R A}$ (correct)
  • $\frac{1}{\lambda}$
  • $\frac{R}{A \times l}$

    • How is molar conductivity calculated?

  • $\frac{1000 \times K}{C}$ (correct)
  • $\frac{K}{C \times 1000}$
  • $\frac{K}{C}$
  • $\frac{1000}{K \times C}$

    • What is the cell constant?

    <p>$\frac{1}{K}$</p> Signup and view all the answers

    For an electrolyte with v = 1 such as NaCl, how does molar conductivity ((\lambda)) relate to concentration (C)?

    <p>$\lambda \propto \frac{1}{\sqrt{C}}$</p> Signup and view all the answers

    Which state of NaCl is a non-conductor of electricity?

    <p>NaCl(s)</p> Signup and view all the answers

    To obtain the cell constant, the resistance of a solution is multiplied by which of the following?

    <p>Specific conductance (K)</p> Signup and view all the answers

    When an electrolyte solution is diluted, what causes the increase in equivalent conductance?

    <p>Increase in ionization of electrolyte</p> Signup and view all the answers

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