1. An electrochemical cell consist of 0.2715 Ibs of Mno, and 0.2524 Ibs of PbO. A current flowthrough a 1.1 ohm resistor of electrochemical cell for 45 mins. The reaction takes place at400k and the total volume of the solution is 504.9 cm. Use the standard reduction cellpotential table for MnOz and PbO: to determine the following:a. Overall balance redox reaction ( use half reaction method)b. concentration of Mn2+ and 5042-c. Cell Potential E° and Ed. current when it passes through a 1.1 ohm resistore. quantity of electricity/charge, Qf. Energy consumed in Joules& Power in Kilowatts2. The production of hydrogen gas was made at a pressure of 15 psi from the electrolysis ofwater. The total volume of hydrogen gas produced is 0.004 cubic meter. Electrolysis of watertakes place where a current passes through a 7.14 ohm resistor with a voltage of 25 volts for1.5hrs. Determine the following:a. number of moles of H2 gasb. Temperature condition of the process in °Cc. Energy consumed to produce H2 gas.3. Balance the reaction: basic CONDITIONNO2 + Al4. Determine the oxidation number of salt if 2 ampere current passes through a moltenantimony salts deposit of 0.02002ibs for five hours.NH3 + Al(H2O)2(OH)4

1. An electrochemical cell consist of O0.2715 Ibs of Mno, and 0.2524 Ibs of Pbo,. A current flow through a 1.1 ohm resistor of electrochemical cell for 45 mins. The reaction takes place at 400k and the total volume of the solution is 504.9 cm'. Use the standard reduction cell potential table for MnO: and PbO: to determine the following: a. Overall balance redox reaction ( use half reaction method) b. concentration of Mn2+ and S042- c. Cell Potential E and E d. current when it passes through a 1.1 ohm resistor quantity of electricity/charge, O e.

1. An electrochemical cell consist of O0.2715 Ibs of Mno, and 0.2524 Ibs of Pbo,. A current flow through a 1.1 ohm resistor of electrochemical cell for 45 mins. The reaction takes place at 400k and the total volume of the solution is 504.9 cm'. Use the standard reduction cell potential table for MnO: and PbO: to determine the following: a. Overall balance redox reaction ( use half reaction method) b. concentration of Mn2+ and S042- c. Cell Potential E and E d. current when it passes through a 1.1 ohm resistor quantity of electricity/charge, O e.

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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A. From the reaction as shown below, calculate the Standard Cell Potential of a Galvanic Cell that uses the half-reactions shown below. Cr3+ + 3e- -------> Cr Eo = -0.73 V Al3+ + 3e- -------> Al Eo = -1.66 V B. A galvanic cell is made using 0.25M ZnSO4 and an unknown amount of CuSO4. The cell potential is 105V at 50oC. What is the concentration of CuSO4 in the cathode compartment? Zn(s) + Cu(aq)2+ -------> Zn(aq)2+ + Cu(s) Eo = 1.10 V Use:E = Eo - (RT/nF) + lnQ
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