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Solved: You are given a dark shiny solid and asked to

Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby ISBN: 9780078021510 98

Solution for problem 8.11 Chapter 8

Chemistry | 12th Edition

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Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby

Chemistry | 12th Edition

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Problem 8.11

You are given a dark shiny solid and asked to determine whether it is iodine or a metallic element. Suggest a nondestructive test that would enable you to arrive at the correct answer

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2/10/2016 Entropy and Free Energy - Entropy (a.k.a. randomness) and heat energy combine into concept of free energy to explain processes that occur Spontaneous Processes - Any process that occurs w/o input of additional energy (i.e. w/o outside intervention) Ex: A ball rolling down a hill. - It doesn’t matter how fast the process occurs. Ex: The slowing of Earth’s rotation over millions of years. Ex: ◦ CH 4 2O → 2O + 2H 2 ∆H 2 rxn= -892kJ (exothermic) o Very slow reaction H + HO → H O ∆H ◦ = -56.2kJ (exothermic) 2 rxn - Almost all exothermic reactions (when ∆H is negative) are spontaneous. o But endother

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Chapter 8, Problem 8.11 is Solved
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Textbook: Chemistry
Edition: 12
Author: Raymond Chang; Kenneth Goldsby
ISBN: 9780078021510

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Solved: You are given a dark shiny solid and asked to