Chromium plating is applied by electrolysis to objects suspended in a dichromate solution, according to this half-reaction: Cr,0,2-(aq) + H*(aq) + e Cr(s) + H,0(1) (unbalanced) How long (in hours) would it take to apply a chromium plating 0.010 mm thick to a car bumper with a surface area of 0.32 m² in an electrolytic cell carrying a current of 25.0 A and assuming electrolysis is 88% efficient? The density of chromium is 7.19 g/cm³. AW of Cr = 52. %3D A. 0.54 hr B. 1.25 hr C. 1.42 hr D. 1.61 hr

Chromium plating is applied by electrolysis to objects suspended in a dichromate solution, according to this half-reaction: Cr,0,2-(aq) + H*(aq) + e Cr(s) + H,0(1) (unbalanced) How long (in hours) would it take to apply a chromium plating 0.010 mm thick to a car bumper with a surface area of 0.32 m² in an electrolytic cell carrying a current of 25.0 A and assuming electrolysis is 88% efficient? The density of chromium is 7.19 g/cm³. AW of Cr = 52. %3D A. 0.54 hr B. 1.25 hr C. 1.42 hr D. 1.61 hr

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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