d) For the electrochemical cell Cr(s) | Cr2O72-(aq) || Cu²*(aq) | Cu(s) the two half reactions have standard reduction potentials at 298 K of Cr2072-(aq) + 14H*(aq) + 12e- → 2Cr(s) + 7H2O(1) = 0.310 V %3D Cu2*(aq) + 2e- → Cu(s) = 0.339 V %3D i) Write down the overall reaction for this cell and determine the standard cell potential at 298 K. ii) Calculate the equilibrium constant for this reaction at 298 K.

d) For the electrochemical cell Cr(s) | Cr2O72-(aq) || Cu²(aq) | Cu(s) the two half reactions have standard reduction potentials at 298 K of Cr2072-(aq) + 14H(aq) + 12e- → 2Cr(s) + 7H2O(1) = 0.310 V %3D Cu2*(aq) + 2e- → Cu(s) = 0.339 V %3D i) Write down the overall reaction for this cell and determine the standard cell potential at 298 K. ii) Calculate the equilibrium constant for this reaction at 298 K.

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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