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Units and Measurement (Section)Silicon for computer chips

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 32E Chapter 1

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 32E

Silicon for computer chips is grown in large cylinders called "boules" that are  in diameter and  in height. The density of silicon is . Silicon wafers for making integrated circuits are sliced from a  boule and are typically  thick and  in diameter. (a) How many wafers can be cut from a single boule? (b) What is the mass of a silicon wafer? (The volume of a cylinder is given by , where  is the radius and  is its height.)

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NervousSystem:TheFundamentalsPart2 4/10/1610:29PM RestingMembranePotential • Restingmembranepotentialliesataround-70mV • Differenceinelectricalchargeacrossthemembrane • Alwaysnegative • Insideofthecellismorenegativethatoutside RoleofIonChannelsInMembranePotential • Leakychannelsarealwaysopen • Gatedchannelsarenotalwaysopen • VoltageGatedchannelsonlyopeninresponsetoavoltagechange TwoFactorsContributetoRMP • Concentrationgradient:ionswillmovedowntheirconcentrationgradient • Electricalgradient:ionswillmovedowntheirelectricalgradient • Balancebetweenthetwoistheelectrochemicalgradient • IonConcentrationinRMP • Moresodiumontheoutsideandmorepotassiumontheinsideofthecell • RoleofPlasmaPermeabilityinRMP • Notpermeabletoproteinanions • VerylittleNa+ispermeable • MostlypermeabletoK+ions • K+andNa+contributemosttoRMP • WhathappenstodisruptRMP • Gradedpotentialswhichoccurindendritesandareincomingsignals(varyinstrength) • Actionpotentialsoccurinaxonsandareoutgoingsignals(allornothing) • ChangesinPolarity • Depolarization:membranepotentialismorepositive • Hyperpolarization:membranepotentialismorenegativethanresting • Repolarization:membranepotentialismorenegativeafterdepolarization • GradedPotentials • Shortandlocalized • Magnitudeanddistancearedeterminedbythestrengthofthestimulus • TwoInstancesofGradedPotentials • ReceptorPotentialorGeneratorPotential:whenasensoryneuronfires • PostsynapticPotential:whenanaxonmeetswiththedendritesofanotherneuron • Axosomatic,axoaxonal,axodendriticsynapses • ActionPotentials • 1.RestingState:nomembranepotentialchange • 2.Na+flowsintothecellbecausethevoltagegatedchannelshaveopened • 3.Repolarization:sodiumchannelsclose,andpotassiumchannelsopen,allowing potassiumtoflowoutofthecell • 4.K+ionscontinuetoleavethecellcausinghyperpolarization • 5.Sodiumpotassiumpumprestoresrestingmembranepotential • Threshold • Actionpotentialsdonotoccurifvoltagedoesnotreach-55mV • Notalldepolarizationscauseactionpotentials • PropagationofActionPotentials • Localvoltagechangecausessodiumchannelstoopen • Thoseopenchannelscausethesodiumchannelsfurtherdowntheneurontoopen • Thishappensallthewaydowntheneuron • Strongerstimuliresultinmoreactionpotentials • RefractoryPeriods • Timewhenanotheractionpotentialcan’thappen • Absolute:actionpotentialwillnotoccur,regardlessofstimulusstrength • Relative:actionpotentialwillonlyoccurwithasuperstrongstimulus • HowFastDoActionPotentialsTravel • Factors:diameterofaxonandamountofmyelination • RoleofMyelinationinActionPotentialVelocity • Innon-myelinatedaxons,actionpotentialshavetoconstantlyregenerate,so conductionisslow • Inmyelinatedaxons,themyelinsheathhousesareasoftheaxonwithnoleakychannels, meaningthevoltageoftheactionpotentialdoesnotdecayasittravels.Thisleadstofast conduction • MultipleSclerosis • Whitebloodcellsattackmyelin • Causespoornervesignaling • Mostlyseeninwomen 4/10/16 10:29 PM 4/10/16 10:29 PM

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Chapter 1, Problem 32E 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

This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. Since the solution to 32E from 1 chapter was answered, more than 426 students have viewed the full step-by-step answer. The answer to “?Silicon for computer chips is grown in large cylinders called "boules" that are in diameter and in height. The density of silicon is . Silicon wafers for making integrated circuits are sliced from a boule and are typically thick and in diameter. (a) How many wafers can be cut from a single boule? (b) What is the mass of a silicon wafer? (The volume of a cylinder is given by , where is the radius and is its height.)” is broken down into a number of easy to follow steps, and 79 words. This full solution covers the following key subjects: Silicon, boule, wafers, diameter, length. This expansive textbook survival guide covers 49 chapters, and 5471 solutions. The full step-by-step solution to problem: 32E from chapter: 1 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM.

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Units and Measurement (Section)Silicon for computer chips