Chpt%2021-3 - • 1 mole of electrons = 96,500 Coulombs...

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Electrolysis 21.7
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Electrolysis Electrolytic cells require energy to occur. Create an electrolytic cells using these half-reactions: Cu2+ + 2 e-  Cu E0 = 0.34 Na+ + e-  Na E0 = -2.71 Write the overall reaction. How many volts are required to make this reaction occur?
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Ampere Ampere is a measure of current and describes flow of electrons per second 1 Ampere = 1 Coulomb / second
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Unformatted text preview: • 1 mole of electrons = 96,500 Coulombs Amperes • Convert 12 Amps moles of electrons / second Amperes Classic problem: • In the previous electrolytic cell, how much sodium (in grams) is formed if 12 Amperes is run through the cell for 35 minutes? • Consider: how many electrons transfer in this reaction for each sodium?...
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