You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long will it take to electroplate a 40.0 micron thick coating onto the sphere using Pt+2 and a current of 0.500 amps? The density of platinum is 21.45 g/cm3. 1 micron = 1.00×10–4 cm. [hint: Calculate the difference in volume of the coated and uncoated spheres and then use the density information to determine your answer.] Time Required = Answer minutes
You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long will it take to electroplate a 40.0 micron thick coating onto the sphere using Pt+2 and a current of 0.500 amps? The density of platinum is 21.45 g/cm3. 1 micron = 1.00×10–4 cm. [hint: Calculate the difference in volume of the coated and uncoated spheres and then use the density information to determine your answer.] Time Required = Answer minutes
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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You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long will it take to electroplate a 40.0 micron thick coating onto the sphere using Pt+2 and a current of 0.500 amps? The density of platinum is 21.45 g/cm3. 1 micron = 1.00×10–4 cm.
[hint: Calculate the difference in volume of the coated and uncoated spheres and then use the density information to determine your answer.]
Time Required = Answer minutes
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