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Cu2* (aq) + 2e → Cu (s) E°red = +0.34 V ½ O2 (g)+ H2O + 2e* → 2 OH(aqg) E°red +0.40 V Use the reduction potential above to solve for the cell potential E°cell in volts for the corrosion of copper: Cu (s) + ½ O2 (g) + H2O → Cu²+ 20H´(aq) (aq) +

Cu2* (aq) + 2e → Cu (s) E°red = +0.34 V ½ O2 (g)+ H2O + 2e* → 2 OH(aqg) E°red +0.40 V Use the reduction potential above to solve for the cell potential E°cell in volts for the corrosion of copper: Cu (s) + ½ O2 (g) + H2O → Cu²+ 20H´(aq) (aq) +

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Cu2* (aq) + 2e → Cu (s) E°red = +0.34 V %3D E°red ½ O2 (g)+ H2O + 2e¯ → 2 OH(aq) +0.40 V Use the reduction potential above to solve for the cell potential E°cell in volts for the corrosion of copper: Cu (s) + ½ O2 (g) + H2O → Cu²+ 20H´(aq) (aq) * +
Transcribed Image Text:Cu2* (aq) + 2e → Cu (s) E°red = +0.34 V %3D E°red ½ O2 (g)+ H2O + 2e¯ → 2 OH(aq) +0.40 V Use the reduction potential above to solve for the cell potential E°cell in volts for the corrosion of copper: Cu (s) + ½ O2 (g) + H2O → Cu²+ 20H´(aq) (aq) * +
From the result above, the cell potential for the corrosion of copper is very low compared to iron. The oxidation/corrosion of copper is a LESS spontaneous reaction compared to the oxidation/corrosion of iron. Therefore, iron is more prone to oxidation compared to copper. We can say that iron is a more active metal than copper. Using the result for Nail C: Does wrapping Copper wire prevented the Iron nail from undergoing rusting/oxidation/corrosion?
Transcribed Image Text:From the result above, the cell potential for the corrosion of copper is very low compared to iron. The oxidation/corrosion of copper is a LESS spontaneous reaction compared to the oxidation/corrosion of iron. Therefore, iron is more prone to oxidation compared to copper. We can say that iron is a more active metal than copper. Using the result for Nail C: Does wrapping Copper wire prevented the Iron nail from undergoing rusting/oxidation/corrosion?
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