9. The standard potential (E° cell) of a voltaic cell based on the reaction below is +2.00 V (the reaction is balanced): 2 Al(s) + 3 Cu 2+(aq) → 3 Cu(s) + 2 Al 3+(aq) Calculate the value of E cell at 25°C when the concentration of Cu2+ is 4.55 M and the concentration of Al 3+ is 0.011 M. A. +1.94 V B. +1.97 V C. +2.35 V D. +2.03 V *E. +2.06 V 10. What is the purpose of the salt bridge in a voltaic cell? a. The salt bridge prevents charge build up by allowing electrons to flow from the anode to the cathode b. The salt bridge prevents charge build up by allowing electrons to flow from the anode to the cathode c. The salt bridge prevents charge build up by allowing cations to flow to the anode *d. The salt bridge prevents charge build up by allowing anions to flow to the anode e. The salt bridge prevents charge build up by allowing anions to flow to the cathode

9. The standard potential (E° cell) of a voltaic cell based on the reaction below is +2.00 V (the reaction is balanced): 2 Al(s) + 3 Cu 2+(aq) → 3 Cu(s) + 2 Al 3+(aq) Calculate the value of E cell at 25°C when the concentration of Cu2+ is 4.55 M and the concentration of Al 3+ is 0.011 M. A. +1.94 V B. +1.97 V C. +2.35 V D. +2.03 V E. +2.06 V 10. What is the purpose of the salt bridge in a voltaic cell? a. The salt bridge prevents charge build up by allowing electrons to flow from the anode to the cathode b. The salt bridge prevents charge build up by allowing electrons to flow from the anode to the cathode c. The salt bridge prevents charge build up by allowing cations to flow to the anode d. The salt bridge prevents charge build up by allowing anions to flow to the anode e. The salt bridge prevents charge build up by allowing anions to flow to the cathode

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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I, a LH LIAIHH 2. H20 I NGBH4 6, 2. H20
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