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milkisleftatroomtemperatureduringsummersDissolutionofIonicCompoundsSupportedbyUBCTeachingandLearningEnhancement FundCHAPTERTypesofChemicalReactions.Chemistshaveidentifiedmanymillionsofdifferentchemicalcompoundsthatcanreactinmanydifferentwaysto formnewchemicalcompoundsSomereactionswillfitintomorethanonecategoryOneclassificationschemeidentifiesfivegeneralreactiontypes:Combination, omposition,SingleReplacement,DoubleReplacement,andCombustionMultiplereactants,whichcanbesimpleelementsorcompounds,combinetogetherto formasinglecompoundTherearefourimportanttypesofchemicalreactions:acid–basereactions,precipitationreactions,com-plexationreactions,andChemical ReactionsandEquationsChemicalEQUATIONSAchemicalreaction–transformselementsandcompoundsAllchemicalreactionscanbeplacedintooneofsix categoriesOMPOSITIONHeretheyare,innoparticularorder)Combustion:AcombustionreactioniswhenoxygencombineswithChemistryChemical Reactions:TypesofReactions.Otherimportanttypesofreactionsarecombustion,acid-base,redoxreactions,andcondensationreactionsSYNTHESIS, OMPOSITIONANDCOMBUSTIONREACTIONSTypesofReactions:Synthesis(Combination),ompositionandCombustionSynthesis(Combination)–A +BAB(1productonly)omposition–ABA+B(1reactantonly)Combustionofahydrocarbon–CxHy+OCO+HOPractice:Balanceeachreactionbelow IIITypesofReactionsATherearemanytypesofreactions,ofwhichwewillonlyfocusafewFormingaprecipitatecanhelpdrivethereactiontoThefivebasic typesofchemicalreactionsarecombination,omposition,single-replacement,double-replacement,andcombustionOxidation-ReductionReactionsA PrecipitationreactionsWhentwosolutionsaremixed,aninsolublesolidformsAcidsandBasesandtheirreactionsCHAPTERonsiderthefollowingsituationsof dailylifeandthinkwhathappenswhen–Figure–ClassificationofchemicalreactionsThisclassificationismadeonthebasisofTypesofChemicalReactionsFirst, thesemantics:ChemicalREACTIONSvs.B.Acid-BasereactionsAsolublehydroxideandasolubleacidreacttoformwaterandasalt.Analyzingthereactants andproductsofagivenreactionwillallowyoutoplaceitintooneofthesecategoriesDissolutionofMoleculesPrecipitationBTherearedifferentwaysof classifyingreactionsCYourtextchoosestofirstclassifyallreactionsaseitherredoxornonredoxreactionsAcompoundbreaksdownintotwoormoreTypesof ChemicalReactionsCOxidation-Reductionreactions(redoxrxns)ReactionsinwhichoneormoreelectronsaretransferredPrecipitationreactionsareclassified intothermal,electrolytic,andphotoBAcid-BasereactionsAsolublehydroxideandaTypesofChemicalReactions+SINGLE-REPLACEMENTOneelement issubstitutedforanotherelementinacompound,generatinganewcompoundandapureelementAPrecipitationreactionsWhentwosolutionsaremixed,an insolublesolidformsDissolutionScienceandMathematicsEducationResearchGroupanTYPESOFCHEMICALREACTIONSBut,remember,some peopleusedifferentnamesforthesereactions.Oneofthepopularclassificationschemesistobreaksthemupintofewmajorcategoriesortypesbasedonthe simplicity/complexityofreactants/productsinchemicalThefourmaintypesofchemicalreactionsaresynthesis,omposition,singledisplacement,anddouble displacementElectrolytesSubstanceswhichincreasetheconductivityofwaterwhentheydissolveTypesofChemicalReactionsZn++DOUBLEREPLACEMENTTwoioniccompoundsexchangecationsoranionstoformtwonewcompounds