Question

in a hydrogen-oxygen fuel cell, 67.2 litre of H2 gas at S.T.P is used in 5Min.What is the average current poduced?

Answer 1

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Answer 2

1 amp is a current, it’s not a quantity of energy.

Power is current times voltage, and finally, a quantity of energy is power multiplied by time. A quantity of hydrogen will represent a quantity of energy. So, in order to do the math, you need to specify the voltage and the time.