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Copper can be electroplated at the cathode of an

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 99E Chapter 18

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 99E

Copper can be electroplated at the cathode of an electrolysis cell by the half-reaction:

 

How much time would it take for 325 mg of copper to be plated at a current of 5.6 A?

Step-by-Step Solution:
Step 1 of 3

Friday, September 2, 2016 Chapter 2: Atoms and Elements Law of Conservation of Mass -Lavoisier - In a chemical reaction, Matter is nighter created nor destroyed - the total mass of the materials you have before the reaction must equal the total mass of the materials you have after the reaction - Total mass of reactants = Total mass of products - Example: mass (Na) + mass ( Cl2) mass (NaCl2) 7.7g Na + 11.9g Cl2 19.6g NaCl2 - in the example we did not make nor destroy matter - simply added together. Law of Definite Proportions - Proust - All samples of a given compound, regardless of their source or how they were prepared, have the same proportions of their constituent elements. - Law of Multiple Proportions - Dalton When 2 elements, A and B, form 2 different compounds, the masses of B that combine with 1 g of A can be expressed as a ratio of small, whole numbers. 1 Friday, September 2, 2016 Dalton Theory Elements: Are composed of super small partials-Atoms - all atoms of a given element are identical. Compounds: composed of more than one element Chemical Reactions only involve the rearrangement of atoms. Atoms are not created or destroyed in chemical reactions. Atoms Atoms- basic unit of elements- super small particles - Has electrical charge - Positive(+) and Negative(-) - opposite charges attract (+)(-) - like charges repel (+)(+), (-)(-)

Step 2 of 3

Chapter 18, Problem 99E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. This full solution covers the following key subjects: copper, electroplated, cathode, current, electrolysis. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The full step-by-step solution to problem: 99E from chapter: 18 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. Since the solution to 99E from 18 chapter was answered, more than 268 students have viewed the full step-by-step answer. The answer to “?Copper can be electroplated at the cathode of an electrolysis cell by the half-reaction: How much time would it take for 325 mg of copper to be plated at a current of 5.6 A?” is broken down into a number of easy to follow steps, and 34 words.

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Copper can be electroplated at the cathode of an