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V 0 A certain half-reaction has a standard reduction potential E +1.34 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that red must provide at least 1.20 V of electrical power The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. nh Data Is there a minimum standard reduction 0 E red Half-Reaction E (V) yes, there is a minimum. potential that the half-reaction used at the anode of this cell can have? 2F (aq) F2 (g) + 2e 2.866 If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Co3t (aq) + e Co2+ (aq) 1.92 no minimum -2H20 (I) H202 (aq) + 2Ht (aq) + 2e 1.776 Aut (aq) + e Au (s) 1.692 MnO4 (aq) + 8Ht (aq) + 5e Mn2 (aq) + 4H20 (I) 1.507 Is there a maximum standard reduction 0 E red Au3t (aq) +3e Au (s) 1.498 yes, there is a maximum. potential that the half-reaction used at the anode of this cell can have? Cl2 (g) + 2e 2Cl (aq) 1.35827 If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. O2 (g) + 4H (aq) + 4e 2H20 (I) 1.229 no maximum Mn2+ (aq) + 2H20 (I) MnO2 (s) +4H+ (aq) + 2e 1.224 2103 (aq) 12H (aq) + 10e I2 (s) + 6H20 (I) 1.195 Br2 (I)2e 2Br (aq) 1.066 By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the anode of this cell. vo2+ (aq) + H2O (I) VO2+ (aq) 2H+ (aq) + e 0.991 HNO2 (aq) + H+ (aq) + e NO (g) + H20 (I) 0.983 N3 (aq) 4H+ (aq) + 3e- NO (g)+ 2H20 (I) 0.957 Note: write the half reaction as it would actually occur at the anode. Ag (aq) e Ag (s) 0.7996 Fe3+ (aq) + e Fe2+ (aq) 0.771 O2 (g) 2H(aq) + 2e H2O2 (aq) 0.695 Explanation Check MnO4 (aq) + 2H20 (I) 3e MnO2 (s) + 40H- (aq) 0.595

V 0 A certain half-reaction has a standard reduction potential E +1.34 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that red must provide at least 1.20 V of electrical power The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. nh Data Is there a minimum standard reduction 0 E red Half-Reaction E (V) yes, there is a minimum. potential that the half-reaction used at the anode of this cell can have? 2F (aq) F2 (g) + 2e 2.866 If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Co3t (aq) + e Co2+ (aq) 1.92 no minimum -2H20 (I) H202 (aq) + 2Ht (aq) + 2e 1.776 Aut (aq) + e Au (s) 1.692 MnO4 (aq) + 8Ht (aq) + 5e Mn2 (aq) + 4H20 (I) 1.507 Is there a maximum standard reduction 0 E red Au3t (aq) +3e Au (s) 1.498 yes, there is a maximum. potential that the half-reaction used at the anode of this cell can have? Cl2 (g) + 2e 2Cl (aq) 1.35827 If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. O2 (g) + 4H (aq) + 4e 2H20 (I) 1.229 no maximum Mn2+ (aq) + 2H20 (I) MnO2 (s) +4H+ (aq) + 2e 1.224 2103 (aq) 12H (aq) + 10e I2 (s) + 6H20 (I) 1.195 Br2 (I)2e 2Br (aq) 1.066 By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the anode of this cell. vo2+ (aq) + H2O (I) VO2+ (aq) 2H+ (aq) + e 0.991 HNO2 (aq) + H+ (aq) + e NO (g) + H20 (I) 0.983 N3 (aq) 4H+ (aq) + 3e- NO (g)+ 2H20 (I) 0.957 Note: write the half reaction as it would actually occur at the anode. Ag (aq) e Ag (s) 0.7996 Fe3+ (aq) + e Fe2+ (aq) 0.771 O2 (g) 2H(aq) + 2e H2O2 (aq) 0.695 Explanation Check MnO4 (aq) + 2H20 (I) 3e MnO2 (s) + 40H- (aq) 0.595

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 160MP
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Is there a minimum or maximum standard reduction potential that the half-reaction can have. Then write the balanced equation

V 0 A certain half-reaction has a standard reduction potential E +1.34 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that red must provide at least 1.20 V of electrical power The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. nh Data Is there a minimum standard reduction 0 E red Half-Reaction E (V) yes, there is a minimum. potential that the half-reaction used at the anode of this cell can have? 2F (aq) F2 (g) + 2e 2.866 If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Co3t (aq) + e Co2+ (aq) 1.92 no minimum -2H20 (I) H202 (aq) + 2Ht (aq) + 2e 1.776 Aut (aq) + e Au (s) 1.692 MnO4 (aq) + 8Ht (aq) + 5e Mn2 (aq) + 4H20 (I) 1.507 Is there a maximum standard reduction 0 E red Au3t (aq) +3e Au (s) 1.498 yes, there is a maximum. potential that the half-reaction used at the anode of this cell can have? Cl2 (g) + 2e 2Cl (aq) 1.35827 If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. O2 (g) + 4H (aq) + 4e 2H20 (I) 1.229 no maximum Mn2+ (aq) + 2H20 (I) MnO2 (s) +4H+ (aq) + 2e 1.224 2103 (aq) 12H (aq) + 10e I2 (s) + 6H20 (I) 1.195 Br2 (I)2e 2Br (aq) 1.066 By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the anode of this cell. vo2+ (aq) + H2O (I) VO2+ (aq) 2H+ (aq) + e 0.991 HNO2 (aq) + H+ (aq) + e NO (g) + H20 (I) 0.983 N3 (aq) 4H+ (aq) + 3e- NO (g)+ 2H20 (I) 0.957 Note: write the half reaction as it would actually occur at the anode. Ag (aq) e Ag (s) 0.7996 Fe3+ (aq) + e Fe2+ (aq) 0.771 O2 (g) 2H(aq) + 2e H2O2 (aq) 0.695 Explanation Check MnO4 (aq) + 2H20 (I) 3e MnO2 (s) + 40H- (aq) 0.595
Transcribed Image Text:V 0 A certain half-reaction has a standard reduction potential E +1.34 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that red must provide at least 1.20 V of electrical power The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. nh Data Is there a minimum standard reduction 0 E red Half-Reaction E (V) yes, there is a minimum. potential that the half-reaction used at the anode of this cell can have? 2F (aq) F2 (g) + 2e 2.866 If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Co3t (aq) + e Co2+ (aq) 1.92 no minimum -2H20 (I) H202 (aq) + 2Ht (aq) + 2e 1.776 Aut (aq) + e Au (s) 1.692 MnO4 (aq) + 8Ht (aq) + 5e Mn2 (aq) + 4H20 (I) 1.507 Is there a maximum standard reduction 0 E red Au3t (aq) +3e Au (s) 1.498 yes, there is a maximum. potential that the half-reaction used at the anode of this cell can have? Cl2 (g) + 2e 2Cl (aq) 1.35827 If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. O2 (g) + 4H (aq) + 4e 2H20 (I) 1.229 no maximum Mn2+ (aq) + 2H20 (I) MnO2 (s) +4H+ (aq) + 2e 1.224 2103 (aq) 12H (aq) + 10e I2 (s) + 6H20 (I) 1.195 Br2 (I)2e 2Br (aq) 1.066 By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the anode of this cell. vo2+ (aq) + H2O (I) VO2+ (aq) 2H+ (aq) + e 0.991 HNO2 (aq) + H+ (aq) + e NO (g) + H20 (I) 0.983 N3 (aq) 4H+ (aq) + 3e- NO (g)+ 2H20 (I) 0.957 Note: write the half reaction as it would actually occur at the anode. Ag (aq) e Ag (s) 0.7996 Fe3+ (aq) + e Fe2+ (aq) 0.771 O2 (g) 2H(aq) + 2e H2O2 (aq) 0.695 Explanation Check MnO4 (aq) + 2H20 (I) 3e MnO2 (s) + 40H- (aq) 0.595
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