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(b) Mg(s) | Mg2 (aq, 0.0600 M) || [Al(OH)4] (aq, 0.340 M), OH (aq, 0.0300 M) | Al(s) Ecell Number V K= Number

(b) Mg(s) | Mg2 (aq, 0.0600 M) || [Al(OH)4] (aq, 0.340 M), OH (aq, 0.0300 M) | Al(s) Ecell Number V K= Number

Chemistry
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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For each of the following cells, use the Nernst equation and the data below, as needed, to calculate: i. the cell potential, Ecell ii. the thermodynamic equilibrium constant, K, for the cell reaction, when the cell reaction is balanced us the smallest whole number coefficients. Enter your answers with 3 significant digits. Do not include units. Enter scientific notation as 1.23E4. Note: 1 M = 1 mol L-1
Transcribed Image Text:For each of the following cells, use the Nernst equation and the data below, as needed, to calculate: i. the cell potential, Ecell ii. the thermodynamic equilibrium constant, K, for the cell reaction, when the cell reaction is balanced us the smallest whole number coefficients. Enter your answers with 3 significant digits. Do not include units. Enter scientific notation as 1.23E4. Note: 1 M = 1 mol L-1
(b) Mg(s) | Mg2+ (aq, 0.0600 M) | | [Al(OH)4] (aq, 0.340 M), OH (aq, 0.0300 M) | Al(s) Ecell Number V K = Number Half reaction Eº/V Cr₂O72 (aq) + 14 H*(aq) + 6 e 2 Cr³+ (aq) + 7 H₂O(l) +1.33 MnO4² (aq) +0.56 H₂(g) Cr²(aq) MnO4 (aq) + e 2 H (aq) + 2e = Cr³+ (aq) + e = Cr2(aq) + 2 e Mn2(aq) + 2 e Al(OH)4 (aq) + 3 e Mg2 (aq) + 2 e Mg(OH)₂(s) + 2 e Cr(s) Mn(s) Al(s) +4 OH(aq) Mg(s) Mg(s) + 2 OH(aq) 0.000 -0.424 -0.90 -1.18 -2.310 -2.356 -2.687
Transcribed Image Text:(b) Mg(s) | Mg2+ (aq, 0.0600 M) | | [Al(OH)4] (aq, 0.340 M), OH (aq, 0.0300 M) | Al(s) Ecell Number V K = Number Half reaction Eº/V Cr₂O72 (aq) + 14 H*(aq) + 6 e 2 Cr³+ (aq) + 7 H₂O(l) +1.33 MnO4² (aq) +0.56 H₂(g) Cr²(aq) MnO4 (aq) + e 2 H (aq) + 2e = Cr³+ (aq) + e = Cr2(aq) + 2 e Mn2(aq) + 2 e Al(OH)4 (aq) + 3 e Mg2 (aq) + 2 e Mg(OH)₂(s) + 2 e Cr(s) Mn(s) Al(s) +4 OH(aq) Mg(s) Mg(s) + 2 OH(aq) 0.000 -0.424 -0.90 -1.18 -2.310 -2.356 -2.687
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