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(Solved): A H fuel cell generates 4A current output, cell reaction: H(g) + O(g) HO(g) (1) ...
A H? fuel cell generates 4A current output, cell reaction: H?(g) + ½O?(g) ? H?O(g) (1) What is the mass flow rate of H? (moles s?¹) consumed (needed)? (2) What is the mass flow rate of O? consumed? (3) If O? is from air, and the composition of air is: O? 21% and N? 79%, what is the molar rate of air needed? (4) How much water (in g) is generated on the cathode per hour?
Expert Answer
Subquestion (1) For every molecule of hydrogen (H2) that reacts within fuel cell, two electrons are liberated at the fuel cel