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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Transcribed Image Text:2. In another experiment, Fischl used cadmium metal to form an electrode she can use for her voitaic cell. She wanted to determine the
electric potential produced by the cadmium electrode (and 1.0 M of its corresponding electrolyte solution) with a Copper electrode in 0.10
CuSO4 solution at 25 °C. Predict the following:
a. OHR of the voltaic cell:
b. RHR of the voltaic cell:
c. Number
Cu^2+(ag) + 2e- → Cu(s), Eo = + 0.34 V
d. Overall r
Cd^2+(aq)+ 2e- → Cd(s), Eo = - 0.40 V
e. Standar
Cu(s) → Cu^2+(aq)+ 2e-, Eo = - 0.34 V
f. Theoretic
Cd(s) → Cd^2+(aq)+ 2e-, Eo = + 0.40 V
%
g. If the measured Ecell was 0.50 V, calculate the percent error.
h. Oz suggested that they increase the concentration of CuSO, solution used. What will be the effect on the measured potential?
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