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14) In an electrochemical cell made of Al and Cu, Al loses 3 electrons per atom while Cu gains 2 electrons per atom. What are the two half-reactions (oxidation and reduction) combined together and balanced? (A total of 6 electrons should be lost and gained.) a) Al³+ + Cu(s) → Al(s) + Cu²+ b) 2Al³+ + 3Cu(s) → 2AI (s) + 3Cu²+ c) Al (s) + Cu²+ → Al³+ + Cu(s) d) 2Al(s) + 3Cu²+ → 2Al³+ + 3Cu(s)

14) In an electrochemical cell made of Al and Cu, Al loses 3 electrons per atom while Cu gains 2 electrons per atom. What are the two half-reactions (oxidation and reduction) combined together and balanced? (A total of 6 electrons should be lost and gained.) a) Al³+ + Cu(s) → Al(s) + Cu²+ b) 2Al³+ + 3Cu(s) → 2AI (s) + 3Cu²+ c) Al (s) + Cu²+ → Al³+ + Cu(s) d) 2Al(s) + 3Cu²+ → 2Al³+ + 3Cu(s)

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 8PS: A voltaic cell is constructed using the reaction Mg(s) + 2H+(aq) Mg2+(aq) + H2(g) (a) Write...
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14) In an electrochemical cell made of Al and Cu, Al loses 3 electrons per atom while Cu gains 2 electrons per atom. What are the two half-reactions (oxidation and reduction) combined together and balanced? (A total of 6 electrons should be lost and gained.) a) Al³+ + Cu(s) → Al (s) + Cu²+ b) 2Al³+ + 3Cu(s) ➜ 2AI (s) + 3Cu²+ c) Al (s) + Cu²+ → Al³+ + Cu(s) d) 2Al(s) + 3Cu²+ ➜ 2Al³+ + 3Cu(s)
Transcribed Image Text:14) In an electrochemical cell made of Al and Cu, Al loses 3 electrons per atom while Cu gains 2 electrons per atom. What are the two half-reactions (oxidation and reduction) combined together and balanced? (A total of 6 electrons should be lost and gained.) a) Al³+ + Cu(s) → Al (s) + Cu²+ b) 2Al³+ + 3Cu(s) ➜ 2AI (s) + 3Cu²+ c) Al (s) + Cu²+ → Al³+ + Cu(s) d) 2Al(s) + 3Cu²+ ➜ 2Al³+ + 3Cu(s)
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