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The kinetic-molecular theory states that ideal gas

Modern Chemistry: Student Edition 2012 | 1st Edition | ISBN: 9780547586632 | Authors: Jerry L. Sarquis, Mickey Sarquis ISBN: 9780547586632 214

Solution for problem 10.1.84 Chapter 10

Modern Chemistry: Student Edition 2012 | 1st Edition

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Modern Chemistry: Student Edition 2012 | 1st Edition | ISBN: 9780547586632 | Authors: Jerry L. Sarquis, Mickey Sarquis

Modern Chemistry: Student Edition 2012 | 1st Edition

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Problem 10.1.84

The kinetic-molecular theory states that ideal gas molecules A. are in constant, rapid, random motion. B. have mass and take up space. C. exert forces of attraction and repulsion on each other. D. have high densities compared with liquids and solids.

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Coupled Reactions • ex. Cu2S(s)—>2Cu(s) + S(s) —∆Grxn=86.2 kJ and ∆Hrxn=76.3 kJ, reaction is non spontaneous and can’t happen at room temp. —calculate ∆S A. ∆S of S(s)=321 J/K/mol, ∆S Cu(s)=33.2 J/K/mol, ∆S Cu2S(s)=120.9 J/ K/mol B. ∆Srxn=(#moles x ∆S) products - (#moles x ∆S) reactants C. ∆Srxn=-22.4 J/K D. if ∆H is positive and ∆S is negative, ∆G will always be positive under any temp. • couple this reaction with another driving reaction to make it run: S(s) + O2(g)— >SO2(g), ∆G=-300.1 kJ —Cu2S(s) + O2(g)—>2Cu(s) + SO2(g) —∆Grxn=86.2 kJ + (-300.1 kJ) —∆Grxn=-213.9 kJ, reaction is now spontaneous —no “change,” meaning extra ener

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Chapter 10, Problem 10.1.84 is Solved
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Textbook: Modern Chemistry: Student Edition 2012
Edition: 1
Author: Jerry L. Sarquis, Mickey Sarquis
ISBN: 9780547586632

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The kinetic-molecular theory states that ideal gas