2 Ag(s) + Cu** (aq) → 2 Ag*(aq) + Cu(s) Half-Reaction Stapdard Reduction Potential, E (V) Ag* (aq) + e -→ Ag(s) +0.80 Cu²+ (ag) + 2 e → Cu(s) +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 A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E" cell = 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"ll = 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. An electrolytic cell, because AG = 1,000

2 Ag(s) + Cu** (aq) → 2 Ag(aq) + Cu(s) Half-Reaction Stapdard Reduction Potential, E (V) Ag (aq) + e -→ Ag(s) +0.80 Cu²+ (ag) + 2 e → Cu(s) +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 A galvanic or voltaic cell, because the standard reduction potentials for the two half-reactions are positive and E" cell = 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"ll = 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. An electrolytic cell, because AG = 1,000

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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