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(a) Which ion is smaller, Co3+ or Co+? (b) In a

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 91AE Chapter 7

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 91AE

Problem 91AE

(a) Which ion is smaller, Co3+ or Co+?

(b) In a lithium-ion battery that is discharging to power a device, for every Li+ that inserts into the lithium cobalt oxide electrode, a Co4+ ion must be reduced to a Co3+ ion to balance charge. Using the CRCHandbook of Chemistry and Physicsor other standard reference, find the ionic radii of Li+, Co3+, and Co4+. Order these ions from smallest to largest.

(c) Will the lithium cobalt electrode expand or contract as lithium ions are inserted?

(d) Lithium is not nearly as abundant as sodium. If sodium ion batteries were developed that function as lithium ion ones, do you think “sodium cobalt oxide” would still work as the electrode material? Explain.

(e) If you don’t think cobalt would work as the redox-active partner ion in the sodium version of the electrode, suggest an alternative metal ion and explain your reasoning.

Step-by-Step Solution:
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10/17/16 Topic 19: Spinal Cord Anatomy The spinal cord is protected by: 1. Bone The vertebrae (7 cervical, 12 - form the vertebral canal thoracic, 5 lumbar, etc.) 2. Connective Tissue The Meninges: - INSIDE the vertebral canal: -Epidural Space: filled with fat Meninges 1. Dura Mater -dense irregular connective tissue tube -Subdural Space: a “potential space” with only a small amount of interstitial fluid that lies in between

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Chapter 7, Problem 91AE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

Since the solution to 91AE from 7 chapter was answered, more than 425 students have viewed the full step-by-step answer. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. The answer to “(a) Which ion is smaller, Co3+ or Co+? (b) In a lithium-ion battery that is discharging to power a device, for every Li+ that inserts into the lithium cobalt oxide electrode, a Co4+ ion must be reduced to a Co3+ ion to balance charge. Using the CRCHandbook of Chemistry and Physicsor other standard reference, find the ionic radii of Li+, Co3+, and Co4+. Order these ions from smallest to largest. (c) Will the lithium cobalt electrode expand or contract as lithium ions are inserted? (d) Lithium is not nearly as abundant as sodium. If sodium ion batteries were developed that function as lithium ion ones, do you think “sodium cobalt oxide” would still work as the electrode material? Explain. (e) If you don’t think cobalt would work as the redox-active partner ion in the sodium version of the electrode, suggest an alternative metal ion and explain your reasoning.” is broken down into a number of easy to follow steps, and 148 words. This full solution covers the following key subjects: ion, Lithium, sodium, cobalt, electrode. This expansive textbook survival guide covers 49 chapters, and 5471 solutions. The full step-by-step solution to problem: 91AE from chapter: 7 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM.

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