AG° = - â F E° ćel! n FE Consider the following reaction: 3 Pb2+ + 2 Cr(s) → 3 Pb(s) + 2 Cr3+ Using the values in Table 17.2, calculate Eell for this reaction. How many electrons are transferred in this reaction? n = Calculate AG° for this reaction. Is the reaction spontaneous under standard conditions? Justify your answer. Cell Potential and Keg We can also relate Ecell to Keq by the following equation: Ecell = RT nF %3D Consider the oxidation of zinc metal by acid (H*) under standard conditions (25°C). Write a balanced equation for this reaction. Using the values in Table 17.2, calculate Eell for this reaction. How many electrons are transferred in this reaction? n = Calculate Keg for this reaction.

AG° = - â F E° ćel! n FE Consider the following reaction: 3 Pb2+ + 2 Cr(s) → 3 Pb(s) + 2 Cr3+ Using the values in Table 17.2, calculate Eell for this reaction. How many electrons are transferred in this reaction? n = Calculate AG° for this reaction. Is the reaction spontaneous under standard conditions? Justify your answer. Cell Potential and Keg We can also relate Ecell to Keq by the following equation: Ecell = RT nF %3D Consider the oxidation of zinc metal by acid (H*) under standard conditions (25°C). Write a balanced equation for this reaction. Using the values in Table 17.2, calculate Eell for this reaction. How many electrons are transferred in this reaction? n = Calculate Keg for this reaction.

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 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...

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Consider a galvanic cell based on the following half-reactions: a. What is the expected cell potential with all components in their standard states? b. What is the oxidizing agent in the overall cell reaction? c. What substances make up the anode compartment? d. In the standard cell, in which direction do the electrons flow? e. How many electrons are transferred per unit of cell reaction? f. If this cell is set up at 25C with [Fe2+] = 2.00 104 M and [La3+] = 3.00 103 M, what is the expected cell potential?