Consider a galvanic cell at T 298K. F = 96 485C. At the beginning (to), [Ca2+] = 0.01M, [H*] = 1M, [HfO2+] = 2M. %3D Consider the half-reactions below: Ca (ag) + 2e → Ca(s) EO red = - 2.76 V HFO2* (aq) + 2H (aq) + 4e¯ -→ Hf(s) + H20() E red = -1.72 V Find the general reacțion, E° cell, and identify the cathode and the anode. Indicate the directi a. electrons (from which solid plate to the other solid plate). b. Write the line notation for this cell. С. Find AGO. *d. Express and calculate Q (at to) e. Express and calculate K. f. What value do you expect for Ecell at this point? Why? g. Find Ecell (at to) After a certain period of time (t), the Ht concentration is one-fifth of its initial concentration. *h. Do the RICE and find the concentrations of all species at t1

Consider a galvanic cell at T 298K. F = 96 485C. At the beginning (to), [Ca2+] = 0.01M, [H] = 1M, [HfO2+] = 2M. %3D Consider the half-reactions below: Ca (ag) + 2e → Ca(s) EO red = - 2.76 V HFO2 (aq) + 2H (aq) + 4e¯ -→ Hf(s) + H20() E red = -1.72 V Find the general reacțion, E° cell, and identify the cathode and the anode. Indicate the directi a. electrons (from which solid plate to the other solid plate). b. Write the line notation for this cell. С. Find AGO. d. Express and calculate Q (at to) e. Express and calculate K. f. What value do you expect for Ecell at this point? Why? g. Find Ecell (at to) After a certain period of time (t), the Ht concentration is one-fifth of its initial concentration. h. Do the RICE and find the concentrations of all species at t1

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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