A small part with a surface area of 2.62 cm2 is plated with a gold coating that is .0005 mm thick. The density of gold is 19.32 g cm−3. What mass of gold is in this coating? If a barrel plating run has 5000 of these parts in a single barrel, how long would the run take if the current was 15.0 A? (Gold is effectively plated from Au+(aq))
A small part with a surface area of 2.62 cm2 is plated with a gold coating that is .0005 mm thick. The density of gold is 19.32 g cm−3. What mass of gold is in this coating? If a barrel plating run has 5000 of these parts in a single barrel, how long would the run take if the current was 15.0 A? (Gold is effectively plated from Au+(aq))
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A small part with a surface area of 2.62 cm2 is plated with a gold coating that is .0005 mm thick. The density of gold is 19.32 g cm−3. What mass of gold is in this coating? If a barrel plating run has 5000 of these parts in a single barrel, how long would the run take if the current was 15.0 A? (Gold is effectively plated from Au+(aq))
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