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Chemistry Formal Lab.doc

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Department
Chemistry
Course
CHM1311
Professor
A L L
Semester
Spring

Description
StudentNameStudentNumberPartnersNameandStudentDemonstratorsNamePLEASENOTEIfANYoftheaboveinformationisUNCLEARornotprovidedyourgradewillNOTberecordedLabDaycircleTuesaftTuesnightWedThursaftThursnightFriLabWeekcircle12LaboratoryReportFormExperiment3EnthalpyofVariousReactionsChecklistoRawDataSheetwritteninpensignedbyTAandattachedoReportFormcompletedinpenortypedandattachedStudentsInitialsIntroductionTherearethreemainpartstothisexperimentTostartametalsspecificheatcapacitywillbecalculatedandusedtoapproximatethemolarmassofthemetalThespecificheatcapacityofthemetalistheamountofheatperunitmassneededtoraisethetemperaturebyonedegreeandfollowstheformulaQmcTSecondtheenthalpyofneutralizationconsistingoftwostrongacidswithastrongbasewillbedeterminedTheenthalpyofneautralizationistheanthalpythatoccurswhenanequivalentacidandbasegothroughaneutralizationreactionandproducesaltandwaterFinallyinthethidparttheenthalpyofsolutionofanunknownsaltwillbecalculatedallowingforthedeterminationofwhichsalttheunknownsaltisTheenthalpyofsolutionistheenthalpychangewhenasolutionofinfinitedilutionisproducedwhenonemoleofanionicsubtancedissolvesinwaterProcedureSeeWhatintheWorldisntChemistryGeneralChemistryLabManualDrRashmiVenkateswaran2012page34Experiment3EnthalpyofVariousReactionsResultsTable1SpecificHeatCapacityofMetalTrial1Trial2TypeofMetalCopperCopperMetalMassg108607132334EmptyCalorimeterMassg7148271482WaterVolumemL21002000CalorimeterandWaterMassg266161261631TimeminuteintervalsWaterTemperatureCWaterTemperatureC000197197ReportFormPage2
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