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2 Ag(s) + Cu+ (aq)2 Ag* (aq) + Cu(s) Half-Reaction Standard Reduction Potential, E (V) Ag+(aq) + e- → Ag(s) Cu+ (ag) + 2 e → Cu(s) +0.80 +0.34 e reaction represented by the equation above serves as the basis for the construction of an electrochemical cell. The table gives the reduction half-reactic uction potentials. Based on the overall reaction, which tyne of electrochemical ol

2 Ag(s) + Cu+ (aq)2 Ag* (aq) + Cu(s) Half-Reaction Standard Reduction Potential, E (V) Ag+(aq) + e- → Ag(s) Cu+ (ag) + 2 e → Cu(s) +0.80 +0.34 e reaction represented by the equation above serves as the basis for the construction of an electrochemical cell. The table gives the reduction half-reactic uction potentials. Based on the overall reaction, which tyne of electrochemical ol

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.50QE
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30 2 Ag(s) + Cu²+ (aq)2 Ag* (aq) + Cu(s) Half-Reaction Standard Reduction Potential, E" (V) Ag+(ag) + e- Ag(s) Cu²+ (ag) + 2 e- → Cu(s) +0.80 +0.34 The reaction represented by the equation above serves as the basis for the construction of an electrochemical cell. The table gives the reduction half-reactions and their respective standard reduction potentials. Based on the overall reaction, which type of electrochemical cell was constructed, and why? A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E = 0.80 + 0.34 = +1.14 V. B A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E = 0.80 – 0.34 = +0.46 V. 96,500 x (-0.46) An electrolytic cell, because AG = = 44 kJ/mol and its operation requires a potential smaller than 0.46 V to be supplied. 1,000 2 x 96,500 x (-0.46) - 89 kJ/mol and its operation requires a potential greater than 0.46 V to be supplied. D An electrolytic cell, because AG = 1,000 US 图
Transcribed Image Text:30 2 Ag(s) + Cu²+ (aq)2 Ag* (aq) + Cu(s) Half-Reaction Standard Reduction Potential, E" (V) Ag+(ag) + e- Ag(s) Cu²+ (ag) + 2 e- → Cu(s) +0.80 +0.34 The reaction represented by the equation above serves as the basis for the construction of an electrochemical cell. The table gives the reduction half-reactions and their respective standard reduction potentials. Based on the overall reaction, which type of electrochemical cell was constructed, and why? A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E = 0.80 + 0.34 = +1.14 V. B A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E = 0.80 – 0.34 = +0.46 V. 96,500 x (-0.46) An electrolytic cell, because AG = = 44 kJ/mol and its operation requires a potential smaller than 0.46 V to be supplied. 1,000 2 x 96,500 x (-0.46) - 89 kJ/mol and its operation requires a potential greater than 0.46 V to be supplied. D An electrolytic cell, because AG = 1,000 US 图
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