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pr 3 T. 3. What is the pH in the hydrogen compartment of the cell when the voltage is maintained at 2.80 V? Assume all other elements are at standard values and the temperature is 25°C. Ca (s) + 2H† (aq) → Ca²* (aq) + H2 (g) E° = 2.87 V %3D A. 2.36 B. 4.86 Ecell = Ecen 0.0592 %3D C. 1.18 1o9 Q D. 1.93 0.0592 2.8 V = 2.87 - 2 1og Q 0.211 V=0- 2 iogQ logQ= -o-211() -7.3 %3D - 7.13 Q=10 7.4x 10-8 CH* Caa,x M)]" = x*=74x10 [H* (aq, IM)]² (1.00j* =27A10-4 pH = -10g(27x 0) = 3,57

pr 3 T. 3. What is the pH in the hydrogen compartment of the cell when the voltage is maintained at 2.80 V? Assume all other elements are at standard values and the temperature is 25°C. Ca (s) + 2H† (aq) → Ca²* (aq) + H2 (g) E° = 2.87 V %3D A. 2.36 B. 4.86 Ecell = Ecen 0.0592 %3D C. 1.18 1o9 Q D. 1.93 0.0592 2.8 V = 2.87 - 2 1og Q 0.211 V=0- 2 iogQ logQ= -o-211() -7.3 %3D - 7.13 Q=10 7.4x 10-8 CH* Caa,x M)]" = x*=74x10 [H* (aq, IM)]² (1.00j* =27A10-4 pH = -10g(27x 0) = 3,57

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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pr 3 T. 3. What is the pH in the hydrogen compartment of the cell when the voltage is maintained at 2.80 V? Assume all other elements are at standard values and the temperature is 25°C. Ca (s) + 2H† (aq) → Ca²* (aq) + H2 (g) E° = 2.87 V %3D A. 2.36 B. 4.86 Ecell = Ecen 0.0592 %3D C. 1.18 1o9 Q D. 1.93 0.0592 2.8 V = 2.87 - 2 1og Q 0.211 V=0- 2 iogQ logQ= -o-211() -7.3 %3D - 7.13 Q=10 7.4x 10-8 CH* Caa,x M)]" = x*=74x10 [H* (aq, IM)]² (1.00j* =27A10-4 pH = -10g(27x 0) = 3,57
Transcribed Image Text:pr 3 T. 3. What is the pH in the hydrogen compartment of the cell when the voltage is maintained at 2.80 V? Assume all other elements are at standard values and the temperature is 25°C. Ca (s) + 2H† (aq) → Ca²* (aq) + H2 (g) E° = 2.87 V %3D A. 2.36 B. 4.86 Ecell = Ecen 0.0592 %3D C. 1.18 1o9 Q D. 1.93 0.0592 2.8 V = 2.87 - 2 1og Q 0.211 V=0- 2 iogQ logQ= -o-211() -7.3 %3D - 7.13 Q=10 7.4x 10-8 CH* Caa,x M)]" = x*=74x10 [H* (aq, IM)]² (1.00j* =27A10-4 pH = -10g(27x 0) = 3,57
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