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CHEM 1001 Ch 6 (98% on the test)

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Department
Chemistry
Course
CHEM 1001
Professor
All Professors
Semester
Winter

Description
CHEM1001Ch610252013IntermolecularForcesandtheStatesofMatterSolidstheparticlesofasolidhavefixedpositionsandexhibitmotionsofvibrationLiquidstheparticlesofaliquidarefreetomovewithintheconfinesoftheliquidGastheparticlesofagasarefarapartandmoverandomlyandrapidlyIntermolecularForcesandStatesofMatterMeltingpointthetemperatureatwhichasolidbecomesaliquidVaporizationtheprocessbywhichaliquidbecomesagasCondensationtheprocessbywhichagasbecomesaliquidFreezingtheprocessbywhichaliquidbecomesasolidTheoccursatthefreezingpointwhichisthesameasthemeltingpointSublimationwhenasolidchangesdirectlyfromthesolidtothegaseousstateChartshowingalloftheseinthepowerpointKNOWTHESETERMSIonicbondsionicbondsarethestrongestofforcesthatholdmatterinthecondensedstatesInteroutsideIntrainsideDipoleForcespolarmoleculesexistasdipolesTheseoppositelychargedendswillattracteachotherHydrogenBondswhenahydrogenatomiscovalentlybondedtoahighlyelectronegativeatomlikenitrogenoxygenorfluorineNOFitcanexhibitanadditionalpolarattractionThisattractioniscalledahydrogenbondDispersionForcesnonpolarmoleculesexhibitadynamicinduceddipolethestrengthofwhichincreaseswithmolecularweightTheresultingdipoleattractionsarecalleddispersionforcesorLondondispersionforcesIntermolecularForcesandtheStatesofMatterContinuedSolutionsahomogenousmixtureoftwoormoresubstancesSoluteasubstancethatisdispersedinasolutionSolventthesubstancedoingthedissolvingusuallypresentingreatestquantityLikeDissolvesLikesolutionsformmostreadilywhenboththesoluteandsolventandsolventhavesimilarintermolecularforcesIonicSubstancesdissolveinwaterthroughiondipoleinteractions
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