6) Chromium can be electroplated from aqueous potassium dichromate, with thereduction shown below. If a current of 6.0A and a voltage of 4.5V are used:Cr20,+,+ 14H* (ag)+ 12e¯ → 2Cr(s) + 7H20(aq)a) How many hours would it take to completely convert215mL of 1.25M K2Cr,O7 to elemental chromium?b) How many kilowatt-hours of electrical energy arerequired to plate 1.00 g of chromium?

Answered: Image /qna-images/answer/2b62b38e-ccf1-439c-ad59-282bb157b846.jpg

6) Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If a current of 6.0A and a voltage of 4.5V are used: Cr20,+, + 14H* → 2Cr(s) + 7H20 (aq)+ 12e- (aq) a) How many hours would it take to completely convert 215mL of 1.25M K2Cr2O7 to elemental chromium? b) How many kilowatt-hours of electrical energy are required to plate 1.00 g of chromium?

6) Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If a current of 6.0A and a voltage of 4.5V are used: Cr20,+, + 14H* → 2Cr(s) + 7H20 (aq)+ 12e- (aq) a) How many hours would it take to completely convert 215mL of 1.25M K2Cr2O7 to elemental chromium? b) How many kilowatt-hours of electrical energy are required to plate 1.00 g of chromium?

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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