matter and energy物质和能量

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1、Name:_________________________MatterandEnergyNotesMrs.ConcannonStudyGuidlinesExplainthedifferencebetweenandelementandacompound.Distinguishbetweenasubstanceandamixture.Distinguishbetweenhomogenousandheterogeneousmixtures.DrawandInterpretparticlediagramsforsubstan

2、cesandmixtures.Describewaysthatthecomponentsofamixturecanbeseparatedbasedonphysicalproperties.Identifyanaqueoussolution(aq)asahomogeneousmixture.Identifypropertiesofmatterasphysicalorchemical.Listexamplesofphysicalandchemicalchanges.Differentiateamongthethreesta

3、tesofmatter.Explaintheenergyandphasechangesastheyoccuronheatingcurves,coolingcurves,andlaboratorydata.Interprettriplepointdiagrams.Classifyprocessesaseitherexothermicorendothermic.Solvecomplexheatproblems(heatgained=heatlost,heatproblemsforwaterfrombelow0Ctoabov

4、e100C).Solveq=mcΔtproblemsformaterialsotherthanwater.Identifythedirectionofheatflow.Vocabularyelementsubstancecompoundhomogeneousheterogeneousmixturesolutionfiltrationdistillationchromatographyphysicalpropertychemicalpropertyphysicalchangechemicalchangetemperatu

5、reconductivitymalleabilityductilitysolubilitybrittlesolidcrystalallotropeliquidgasmeltingpointboilingpointsolidificationevaporationvaporizationcondensationLawofConservationofMassheatPotentialEnergyKineticEnergyendothermicprocessexothermicprocessspecificheatCalor

6、imeterconstantheatoffusionheatofvaporizationvaporpressureSTPsublimationdepositionLawofConservationofEnergyTriplepointCriticalpointSupercriticalFluidsMatterandEnergyEssentialQuestions:Howaretheparticlesinmatterarranged?Whateffectdoesheathaveontheparticlesofmatter

7、?Howcanwemeasurethechangesinenergyasmatterchanges?Given:10oz.BagofM&Mshas329candies7servings/bagEachservingis882kilojoulesQuestion:HowmanylitersofwaterwillbeheatedonedegreeCelsiusbyburning1candy?(UsetheformulabelowfromtableT,remember1gofH2O=1mlofH2O)Video1Whatis

8、Energy?ØDefinedascapacitytodoworkØWork=ForcexdistanceØTypesofEnergy-chemical,electrical,electromagnetic,thermal,mechanical,nuclearØThermalEnergy–energyassociatedwitht