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For a science experiment you need to electroplate zinc onto both sides of a very thin, 1.00 cm x 1.00 cm copper sheet. You want the total zinc thickness to be 140 nm (70 nm on each side), and you know that the charge carriers in the ionic solution are divalent (charge 2e) zinc ions. The density of zinc is 7140 kg/m³ . Part A If the electroplating apparatus operates at 1.40 mA, how long will it take the zinc to reach the desired thickness? Express your answer in seconds to three significant figures.

For a science experiment you need to electroplate zinc onto both sides of a very thin, 1.00 cm x 1.00 cm copper sheet. You want the total zinc thickness to be 140 nm (70 nm on each side), and you know that the charge carriers in the ionic solution are divalent (charge 2e) zinc ions. The density of zinc is 7140 kg/m³ . Part A If the electroplating apparatus operates at 1.40 mA, how long will it take the zinc to reach the desired thickness? Express your answer in seconds to three significant figures.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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For a science experiment you need to electroplate zinc onto both sides of a very thin, 1.00 cm x 1.00 cm copper sheet. You want the total zinc thickness to be 140 nm (70 nm on each side), and you know that the charge carriers in the ionic solution are divalent (charge 2e) zinc ions. The density of zinc is 7140 kg/m³. Part A If the electroplating apparatus operates at 1.40 mA, how long will it take the zinc to reach the desired thickness? Express your answer in seconds to three significant figures.
Transcribed Image Text:For a science experiment you need to electroplate zinc onto both sides of a very thin, 1.00 cm x 1.00 cm copper sheet. You want the total zinc thickness to be 140 nm (70 nm on each side), and you know that the charge carriers in the ionic solution are divalent (charge 2e) zinc ions. The density of zinc is 7140 kg/m³. Part A If the electroplating apparatus operates at 1.40 mA, how long will it take the zinc to reach the desired thickness? Express your answer in seconds to three significant figures.
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