Required practical – Measuring the EMF of an electrochemical cell.

Last updated: 02/11/2022
WJEC A-Level Chemistry Unit 3.2 – Redox reactions Required practical – Measuring the EMF of an electrochemical cell.
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  1. Current
  2. Review
  3. Answered

  1. When measuring the EMF of an electrochemical cell what is used to find the electrical potential difference?

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  2. When measuring the EMF of an electrochemical cell which of the following elements are used within this required practical?

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  3. Which of the following materials are suitable for an inverted U-tube?

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  4. What piece of equipment is used to connect the voltmeter with the rest of the apparatus?

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  5. Which of the following materials are suitable for an inverted U-tube?

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  6. When measuring the EMF of an electrochemical cell, how much copper sulfate should be placed in a beaker?

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  7. What does EMF stand for?

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  8. When measuring the EMF of an electrochemical cell, how much zinc sulfate should be placed in a beaker?

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  9. When measuring the EMF of an electrochemical cell, what concentration of sodium chloride is used?

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  10. Which of the following should the inverted U-tube be filled with?

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  11. When measuring the EMF of an electrochemical cell, what concentration of copper sulfate is used?

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  12. Which of the following should be placed in one end of the U-tube?

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  13. When measuring the EMF of an electrochemical cell, what concentration of zinc sulfate is used?

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  14. What should the two beakers containing the solutions with the metal rods be connected by?

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  15. When measuring the EMF of an electrochemical cell, what type of beaker is used?

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  16. What should the cotton wool be soaked in?

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  17. What should be used to degrease the metals used when measuring the EMR of an electrochemical cell?

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  18. Which of the following should the voltmeter be attached to?

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  19. Which of the following should the voltmeter be attached to?

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  20. When measuring the EMF of an electrochemical cell what measurements of metal foil should be used?

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  21. What does a voltmeter measure?

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  22. What are the units used by a voltmeter?

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  23. What should be used to clean the metals used when measuring the EMF of an electrochemical cell?

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  24. What should be used to degrease the metals used when measuring the EMR of an electrochemical cell?

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  25. When measuring the EMF of an electrochemical cell which of the following elements are used within this required practical?

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    • 4.