Part A What is the standard potential for the cell reaction in the hydrogen-oxygen fuel cell...

Part A

What is the standard potential for the cell reaction in the hydrogen-oxygen fuel cell used in space vehicles?

Part B

What is the standard potential for the cell reaction in the PEM fuel cell used in electric automobiles?

Expert Solution

queen_honey_blossom answered 3 months ago

In a hydrogen-oxygen fuel cell, gaseous hydrogen serves as the fuel, oxygen in the air as...

In a hydrogen-oxygen fuel cell, gaseous hydrogen serves as the fuel, oxygen in the air as the oxidizer, and the reaction product is water. Consider that flat plates of Pt are used as electrodes at 25°C and fuel and air are supplied at 1 atm. [20%] (a) Write the Nernst expression for each half-cell reaction. (b) What is the overall cell reaction? (c) Calculate the cell voltage, Ecell, given the above conditions. (d) Suppose that the supply of hydrogen and...

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A hydrogen-oxygen fuel cell is used in the space program to generate clean energy. Describe, in...

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a hydrogen-oxygen fuel cell is used in the space program to generate clean energy. Describe, in...

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