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P-13
REPORT: EXPERIMENT P - ELECTROLYSIS
Name ____________________________________
Section ___________ Date ___________________
Laboratory Instructor________________________
Please show complete calculations with units and the correct number of significant figures.
Part I. Electrolysis
1.
Which electrode is the anode and which is the cathode?
____________________________
______________________________________________________________________
Write the equation for the reaction that occurs at the anode
______________________________________________________________________
Write the equation for the reaction that occurs at the cathode
______________________________________________________________________
2.
(a) Write the equation for the overall electrolysis reaction.
______________________________________________________________________
(b) Is this overall reaction spontaneous? Explain.
________________________________
______________________________________________________________________
______________________________________________________________________
3.
From your data, determine the number of moles of hydrogen gas produced in each run. Show
detailed calculations including units for each run.
Answers: Run 1 _______________ Run 2 ______________ Run 3 _______________
