Chapter 1 - Matter Flashcards
Propertiesthatdescribematter’sreactionswithothersubstances
Chemical Properties
Achangeinwhichthephysicalformandpropertiesofasubstancechange.
Physical Change
Haveaconstantcompositionandcanonlybechangedbychemicalreactions
Pure Substances
Physicalpropertiesthatareindependentoftheamountofasubstancepresent.
Intensive Properties
Amixturewithvisiblydistinguishablecomponents,existprimarilyinthesolidandliquid
states.
Heterogeneous mixtures
Substancesthatcanbebrokendownintotheirindividualelements,butonlythroughchemical
processes.
Compounds
Substancesthatcannotbedecomposedintosimplersubstancesbychemicalorphysicalmeans
Elements
Propertiesofmatterthatcanbeobservedwithoutchangingthematter’scomposition
Physical Properties
Atechniqueusedtoseparateouthomogeneousmixturesinwhichoneormoresolidsaredissolvedin
aliquid.
Evaporation
Physicalpropertiesthatdependontheamountofasubstancepresent.
Extensive Properties
Achangeduringwhichthechemicalidentityofasubstanceisaltered.Chemicalchangesare
oftenaccompaniedbyachangeincolor,temperature,orodor,ortheproductionofagasorprecipitate.
Chemical Change
Amethodusedtoseparatemixturesinwhichsomeoftheparticlesarelargeenoughinsizetobe
capturedwithaporousmaterialwhileothersarenot.
Filtration
Amixturewithuniformcompositionthroughout.
Homogeneous Mixtures
Apurificationprocessinwhichthecomponentsofaliquidmixturearevaporizedandthencondensed
andisolated.
Distallation
Theabilityofasubstancetoundergoaspecificchemicalchange
Chemical Property