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chem

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A hydrogen-oxygen fuel cell operates on the simple reaction given below.
H2(g) + 1/2 O2(g) H2O(l)

If the cell is designed to produce 1.8 A of current, and if the hydrogen is contained in a 2.9 L tank at 200. atm pressure at 25°C, how long can the fuel cell operate before the hydrogen runs out? (Assume there is an unlimited supply of O2.)


so i first used pv=nrt and solved for n and got 23.71 moles but i don't know where to go from there

  • chem -

    I have the same problem! I don't know how to solve it, so please if you found the solution can you send it to me?? I don't know how this webpage works so my email is nazarenoroggero @ gmail . com

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