Determine the emf under actual operating conditions
1. Provide the half-reactions at the zinc-air electrodes and determine the standard emf of the battery at the 25 degrees Celsius.
2. Determine the emf under actual operating conditions when the partial pressure of the oxygen is 0.21 atm.
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Determine the emf under actual operating conditions when the partial pressure of the oxygen is 0.21 atm.
Suppose the temperature is 25degrees Celsius and a partial pressure of oxygen is the 0.21 atm. If a current of 2.1 * 10^5 A is to be drawn from a zinc-air system, what volume of the air would require to be supplied to the battery every second?
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