Page 16 - Fuel Cell Student Edition
P. 16
Pre Lab
Que s tions
11. What is the difference between the following 15. In the following redox reaction, identify
two symbols in a chemical equation? oxidation and reduction.
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16. Write the chemical reactions occurring at the
12. Why must we balance chemical equations with anode, cathode and electrolyte of a zinc-air fuel cell.
coefficients? .............................................................................
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17. Which direction does electrical current flow
13. What are charged atoms? in a fuel cell, anode to cathode, or cathode to
............................................................................. anode?
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14. What is a redox reaction? What happens during
this reaction? 18. Which electrode is positive and which is
............................................................................. negative in a zinc-air fuel cell? Why?
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16 TOTAL REDOX™ – FUEL CELLS TOTAL REDOX™ – FUEL CELLS 17
