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Answer: Write equations for the half-reactions that occur

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

Solution for problem 96E 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 96E

Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of each aqueous solution:

a. Ni(NO3)2(aq)                 b. KCl(aq)                 c. CuBr2(aq)

Step-by-Step Solution:
Step 1 of 3

Chapter2 Thursday,August31,2017 5:56PM AtomsandElements • Matterisneithercreatednordestroyed • Inchemicalreactions,whatyoustartwithinmass,youendupwith ReactantsProducts LawofDefiniteProportions • Allsamplesofagivencompound,regardlessofthesourceorhowtheywere prepared,willhavethesameproportionsoftheirconstituentelements • Acompoundisdecomposedtoitsconstituentelementsandproduced25.6gofO and9.60gofC.Asecondsampleofthesamecompoundproduced21.6gO.How muchcarbonisinthesecondsample (25.6gO/9.60gC)=(21.6gO/xgC)CrossMultiply… (207.36/25.6)=8.1(25.6gx/25.6)x=8.10gC LawofMultipleProportions • Musthave2compounds(CO toCO)2H OtoH O2) 2 2 • When2elements(A&B)formtowdifferentcompounds(AB&A 2)Bthemassesof elementthatcombinewith1gofAcanbeexpressedasaratioofsmallwhole numbers • Dalton'sAtomicTheory 1) Eachelementiscomposedoftiny,indestructibleparticlescalledatoms 2) Allatomsofagivenelementhavethesamemassandotherpropertiesthat distinguishthemfromtheatomsofotherelements 3) *Atomscombineinsimple,wholenumberratiostoformcompounds 4) Atomsofoneelementcannotchangeintoatomsofanotherelement • J.J.Thompson(CathodeRayTube) - Particleswithanegativecharge - Mass-to-changeratiois- 1.76x10 coulombspergra

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Chapter 18, Problem 96E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Answer: Write equations for the half-reactions that occur