Name:Date:Section:Prelaboratory Assignment: Electrochemistry: Galvanic Cells and the NernstEquation1. Use the calculation of E° to determine which of the following reaction is spontaneous understandard conditions:a) AuCl co) + 3FE2",(ag) Au +4CIc + 3 Fe+(bn) -(bn).(bn)b) Cu + 2H,Cu²+(bn)(bn)(3)7H+2. Calculate E°, AG° and K at 25°C for the reaction:4CIO; ag) Cl(ag) + 3CIO, (aq)(bn)3. Calculate cell voltages under the following conditions at 25°C:a) ZnlZn* (0.50 M)l Cư (0.10M) Cub) Pd Sn" (0.10 M) Sn" (0.10 M)l Co" (0.20 M) Co171

A redox reaction is spontaneous when Eo is positive, as a positive Eo makes the standard Gibbs free…

1. Use the calculation of E° to determine which of the following reaction is spontaneous under standard conditions: a) AuCl,o) + 3FE2+, + 4CI (ag) + 3 Fe3+ -> (aq) (аq) b) Cu + 2H*, Cu2+ +H2) (aq) (aq) 2. Calculate E°, AG° and K at 25°C for the reaction: 4CIO, (ag) Claq) + 3CIO, (aq) 3. Calculate cell voltages under the following conditions at 25°C: a) Zn lZn* (0.50 M) l Cư" (0.10 M) Cu b) Pl Sn" (0 .10 M) Sn" (0.10 M) Co* (0.20 M) Co 4+

1. Use the calculation of E° to determine which of the following reaction is spontaneous under standard conditions: a) AuCl,o) + 3FE2+, + 4CI (ag) + 3 Fe3+ -> (aq) (аq) b) Cu + 2H, Cu2+ +H2) (aq) (aq) 2. Calculate E°, AG° and K at 25°C for the reaction: 4CIO, (ag) Claq) + 3CIO, (aq) 3. Calculate cell voltages under the following conditions at 25°C: a) Zn lZn (0.50 M) l Cư" (0.10 M) Cu b) Pl Sn" (0 .10 M) Sn" (0.10 M) Co* (0.20 M) Co 4+

Chemistry

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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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Question

Name:
Date:
Section:
Prelaboratory Assignment: Electrochemistry: Galvanic Cells and the Nernst
Equation
1. Use the calculation of E° to determine which of the following reaction is spontaneous under
standard conditions:
a) AuCl co) + 3FE2",
(ag) Au +4CIc + 3 Fe+
(bn) -
(bn).
(bn)
b) Cu + 2H,
Cu²+
(bn)
(bn)
(3)7H+
2. Calculate E°, AG° and K at 25°C for the reaction:
4CIO; ag) Cl(ag) + 3CIO, (aq)
(bn)
3. Calculate cell voltages under the following conditions at 25°C:
a) ZnlZn* (0.50 M)l Cư (0.10
M) Cu
b) Pd Sn" (0.10 M) Sn" (0.10 M)l Co" (0.20 M) Co
171

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