3. A metallurgist wants to goldplate a thin sheet with the following dimensions: 1.5 in, x 8.5 in. x 0.0012 in. The gold plating must be 0.0020 in. thick. (a) How many grams of gold (p = 19.3 g/cm') are required? (b) How long will it take to place the sheet from AuCN using a current of 7.00 A? Assume 85% efficiency.
3. A metallurgist wants to goldplate a thin sheet with the following dimensions: 1.5 in, x 8.5 in. x 0.0012 in. The gold plating must be 0.0020 in. thick. (a) How many grams of gold (p = 19.3 g/cm') are required? (b) How long will it take to place the sheet from AuCN using a current of 7.00 A? Assume 85% efficiency.
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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Direction: Answer problem number 3 with its subparts a and b
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