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a. What is the main difference of fuel cell from a rechargeable battery cell? b. Write the Nernst equation for an ideal fuel cell with

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a. What is the main difference of fuel cell from a rechargeable battery cell? b. Write the Nernst equation for an ideal fuel cell with the following reactions: Anode reaction: 2H2 (g) 4H+ + 4e Cathode reaction: O2 (g) + 4H+ + 4e2H2O Overall Reaction: 2H2(g) + O2 (g) 2H2O

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