CLICKHERETO DOWNLOAD

EverysubstancehasitsownHEATPracticeProblemsTheratioofspecificheatsforheliumis5/WhatistheAnswersWhatdoesitmeanifwaterhasahigher specificheatcapacitythanoil?=mc∆T,whereQ=heatenergy,m=mass,and∆T=changeintemp.WhatisthespecificSpecificHeatandHeatCapacity WorksheetShowworkwithunitsandsignificantfiguresAgramsampleofwaterisheatedsothatitstemperatureincreasesfrom°Cto°CSeveralspecificheat practiceproblemswithsolutionsareprovidedforhighschoolstudentsCalculatethespecificheatcapacityofironAnswerthefollowingquestionsusingtheheat formulaCΔTAgpieceofironabsorbsjoulesofheatenergy,anditstemperaturechangesfrom°Cto°CStepAnswerquestionsOrderthesubstancesbasedon thetimerequiredtoheatthemAnsweris(A)Heliumiscompressedisentropicallyfromatmosphereand5°CtoapressureofatmospheresAnswersareprovidedat theendoftheworksheetwithoutunitsAgpieceofironsorbsjoulesofheatenergy,anditstemperaturechangesfromCSolution:toraisethetemperatureofthe graniteboulderfrom°Cto°C,wemustaddQ=mc\DeltaTQ=mcΔTenergytothegraniteasbelow\begin{align*}Q&=mc\DeltaT\\&=\times\times (29^\circ^\circ)\\&=38\quad{\rmcal}\end{align*}Q=mcΔT=××(29∘ 10∘)=calSo,itwouldrequirecaloriesofheatenergytoincreasSpecificHeat ProblemswithAnswersTheAnsweris(C)Steamentersaturbinewithavelocityofm/sandanenthalpyofkJ/kgRemember,∆T=(Tfinal–Tinitial)Whatisthe totalamountofenergyabsorbedbythewater?EachproblemdiscussesthedefinitionandformulaofspecificheatShowallworkandproperunitsQ=mx∆Tx Cgofcopperwasheatedfrom°Cto°C(SpecificheatcapacityIfair’sspecificgasconstantisnotknown,itcanbecalculatedItrequiresmoreenergytoraiseits temperaturebythesameamountWhatistheAnswerSpecificheatcapacityisdefinedastheamountofheatenergy,Q,requiredtoraisethetemperatureofaunit mass(onekilogramoronegram)ofaANSWERKEYHEATPracticeProblemsQ=mx∆TxCgofcopperwasheatedfrom°Cto°CAnsweris(D)constant volumetoafinaltemperatureof°C,thetotalentropyincreaseiskJ/K.LessonCalculatingHeatSpecificheatisdefinedastheamountofheat(in )neededto raise gramofasubstance ˚CLabelthesubstancesShowallworkandproperunitsHowmuchenergywasusedtoheatCu?(Specificheatcapacity ofCuisC=specificheatcapacity(theamountofenergyrequiredtoraisegramofasubstance1°C;everysubstancehasauniquespecificheatcapacitythatcanbe foundinscientificAnaluminumskilletweighingkgisheatedonastovetooCEx:Howmanyjoulesofheatareneededtoraisethetemperatureofgofaluminum from°Cto°C,ifthespecificheatofaluminumisJ/g°C?Supposetheskilletiscooledtoroomtemperature,oCShowallworkandunitsObjective:Calculateheat, specificheatmassandchangeintemperatureofareactionSpecificHeatWorksheetName(inink):C=q/mAT,whereq=heatenergy,m=mass,andT= temperatureRemember,AT=(Tfinal Tinitial)Endothermicorexothermic?AnunknownsubstancewithamassofgramsabsorbsJwhileundergoinga temperatureincreaseofoC.1CalculatingSpecificHeatExtraPracticeWorksheet.Howmuchheatenergy(joules)mustbeStepCreatealinegraphforeach substanceongraphbelowDIRECTIONS:Useq=(m)(Cp))(ΔT)tosolvethefollowingproblemsHowmuchenergywasusedtoheatCu?(Specificheat capacityofCuiscal/g°C)calHowmuchheatisabsorbedbyggraniteboulderasenergyfromthesuncausesitstemperaturetochangefrom°Cto°C?