Practice Structure And Function (1.4.1) - Fuel Cells

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the primary function of a fuel cell?
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Think about what energy source the fuel cell utilizes.
Question 2.
Name the three main components of a fuel cell.
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Think about the roles these parts play.
3Question 3.
What is the primary purpose of a fuel cell?
- To generate heat
- To convert chemical energy to electrical energy
- To store energy
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Consider the basic definition of a fuel cell.
4Question 4.
True or False: The cathode is the site of oxidation in a fuel cell.
- True
- False
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Think about the reactions at each electrode.
Question 5.
Evaluate the performance of a fuel cell operating with 250 kJ/mol of free energy and an enthalpy change of 300 kJ/mol. What is the efficiency?
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Use the efficiency formula and ensure your units are consistent.
Question 6.
Propose a scenario in which SOFC advantages can be employed in a commercial situation compared to a PEMFC.
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Consider fuel flexibility and scale in your comparison.

5 more questions in this section. Enroll free to practise them all.