October 7, 2015

Homework Help: Chemistry

Posted by Melanie on Sunday, January 6, 2013 at 2:19pm.

A solution of H2SO4 was electrolyzed using the inert platinum electrodes.

A) Write the balanced half-reactions for the anode and cathode in this cell.
B) How many coulombs passed through the cell in 90 minutes at 8.0 amperes?
C) How many moles of electrons pass through the cell while the current flows?
D) What number of moles of gas was produced at the cathode after the cell operated for 90 minutes at 8.0 amperes?
E) What total volume of gas, at STP could be produced by this cell if it operated for 100 minutes at 20.0 amperes?

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