ive the or the gaivanic celnS Ba ing Hail-r əəp pu p uonenbə uəɔ pƏ: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) а. H2 O2 + 2H+ + 2e¯ →2H2O Cr2 072- + 14H+ + 6e¯ →2Cr³+ + 7H2O €° = 1.33 V e° = 1.78 V V + + b. 2H* + 2e →H2 La+ + 3e- -→La = 0.00 V ɛ° = -2.37 V V +

ive the or the gaivanic celnS Ba ing Hail-r əəp pu p uonenbə uəɔ pƏ: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) а. H2 O2 + 2H+ + 2e¯ →2H2O Cr2 072- + 14H+ + 6e¯ →2Cr³+ + 7H2O €° = 1.33 V e° = 1.78 V V + + b. 2H* + 2e →H2 La+ + 3e- -→La = 0.00 V ɛ° = -2.37 V V +

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 137CWP: Consider a galvanic cell based on the following half-reactions: a. What is the standard potential...

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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?
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