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CHEM 103 EXAM 1 REVIEW - UW MADISON QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CHEM 103 EXAM 1 REVIEW - UW MADISON QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CHEM 103 EXAM 1 REVIEW - UWMADISON QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
WhatOisOanOacid?O-OANSWEROsolutionOhasOanOexcessOofOH+Oions
WhatOisOaObase?O-OANSWEROsolutionOhasOanOexcessOofOhydroxylOionsO(OH-)
WhatOisOneutralization?O-OANSWERO-
processOwhereOacidOandObaseOareOmixedOuntilOtheyObecomeOneutralOandOtheOPHOisO7.
WhatOareOtheOtwoOproductsOofOaOneutralizationOchemicalOreaction?O-
OANSWEROwaterOandOsaltO(OTheOtypeOofOsaltOdependsOonOacidOorObaseOaddedOtoOneutralize.)
WhatOisOaOweakOacid?O-
OANSWEROanOacidOthatOonlyOpartiallyOionizesOinOanOaqueousOsolution.OThisOmeansOthatOnotOeveryOmolecul
eObreaksOapart.
pHO-OANSWEROisOaOmeasurementOofOhowOacidicOorOhowObasicOaOsolutionOis.
WhyOisOpHOimportantOtoObiology?O-OANSWEROCellsOsurviveOinOaOspecificOpHOrange.
HumanObloodOisOmaintainOatO7pHOforOhomostasis.
TheOstomachOhasOacidsOtoObreakOdownOfood.
BileOfromOtheOliverOisOaObaseOwhichObreaksOdownOfatsO&Ogrease.
WhatOisOaObuffer?O-OANSWEROaOsubstanceOtoOhelpOtoOneutralize/balanceOpHOlevels.
WhatOareOpHOindicators?O-OANSWEROTheyOareOusedOtoOtellOyouOtheOpHOvalue.
ExamplesOareOphenalpheleinOandObromthymolOblue.
,WhatOareOtheOpropertiesOofOanOacid?O-
OANSWEROtasteOsour,OconductOelectricity,Ocorrosive,OreactsOwithOmetals,OturnsOlitmusOpaperOred.
GiveOexamplesOofOacidsO-OANSWEROHCLOwhichOisOinOyourOstomack.
SulfuricOacidOwhichOisOusedOaOlotOinOindustriesOtoOmakeOfertilzers,Opaints,Oetc.O
TumsOantacidOusedOtoOneutralizeOstomachOacids.
WhatOareOsomeOusesOofObases?O-OANSWEROsoapsOandOcleaningOproducts
usedOinObatteries
WhatOareOsomeOexamplesOofObases?O-OANSWEROlyeOusedOtoOmakeOsoap.
LiquidOplummerOusedOforOcloggedOdrains.OBakingOSodaOandOBakingOpowder
WhatOisOtheOmainOneutralOsubstance?O-OANSWEROwater
HowOisOaOsaltOchemicallyOformed?O-
OANSWEROWhenOyouOaddOacidOorObaseOtoOneutralizeOaOsolutionOtheOproductsOformedOareOwaterOandOsalts
.
AOchangeOinOpHOunitsOrepresentsOaOtenfoldOchangeOinOtheOacidityOofOtheOsolutionO(logarithmicOscale).OIfOo
neOsolutionOhasOaOpHOofO1OandOaOsecondOsolutionOhasOaOpHOofO2,OtheOfirstOsolutionOisOnotOtwiceOasOacidicO
aOtheOsecondOitOisO______timesOmoreOacidic.O-OANSWEROtenO(logarithmic)
WhatOisOaOpHOscale?O-
OANSWEROaOlogarithmicOscaleOthatOindicatesOtheOpHOofOaOsolution.OItOrangesOfromO0O-O14.
OnOtheOpHOscale,OwhatOnumbersOrepresentOanOacid?O-OANSWERO0-6
OnOtheOpHOscale,OwhatOnumbersOrepresentOaObase?O-OANSWERO8-14
OnOtheOpHOscale,OwhatOnumberOrepresentsOaOneutralOsolution?O-OANSWERO7
,WhatOisOaOweakOacid?O-
OANSWEROAnOacidOthatOonlyOpartiallyOionizesO(breaksOdown)OinOaOsolution.OWeakOacidsOareOcloseOtoO7pH
WhatOisOaOweakObase?O-
OANSWEROAOweakObaseOwillOonlyOparttallyOionizeOinOaOsolution.OThisOmeansOthatOnotOeveryOmoleculeObrea
ksOapart.
WhatOisOaOchemicalOchange?O-
OANSWEROWhenOaOchangeOinOcompositionOoccursOgivingOnewOsubstancesOwithOnewOproperties.
ExampleOwhenOwoodOchangesOtoOcarbon.OWoodOandOcarbonOdoOnotOhaveOsimilarOproperties.
WHatOisOaOphysicalOchange?O-OANSWEROWhenOaOchangeOdoesONOTOchangeOtheOcomposition.
WhatOareOindicatorsOofOaOchemicalOchange?O-
OANSWEROObservationsOsuchOasOwhatOyouOsee(OcolorOchange,OprecipitantO(solidsOinOsolutions)O
Hear-boomOSmellOTaste-sour/sweetOFeel-hotOorOcold.
Also,ObubblesOindicateOgas..
WhatOisOtheOlawOofOconservationOofOmass?O-OANSWEROMassOisOnotOcreatedOnorOdestroyed.
WhatOisOaOchemicalOformula?O-OANSWERO-
chemicalOsymbolsOrepresentOmoleculesOwithOsubscriptsOtoOrepresentOtheOnumberOofOthatOelement.
NaClOrepresentsOtableOsalt.
ReactantsOareOonOtheOrightOorOleftOofOtheO->O(yield)OsignOinOaOchemicalOequation.O-OANSWEROleft
ProductsOareOonOtheOleftOorOrightOofOtheO->(yield)OsignOinOaOchemicalOequation.O-OANSWEROright
WhatOdoesOtheO->OrepresentOinOaOchemicalOequation?O-OANSWEROyieldOorOtoOproduce
, WhatOisOaOchemicalOequation?O-
OANSWEROItOrepresentsOwithOchemicalOformulasOaOchemicalOchange/reaction.
WhenOoneOmoleculeOsplitsOapartOandOswitchOplacesOthisOisOcalledOaO__Oreaction.O-
OANSWEROreplacementOtypeOofOchemicalOreaction
WhatOisOaOreactantOinOaOchemicalOequation?O-
OANSWEROTheyOareOsubstancesOthatOareOpresentObeforeOtheOchemicalOchangeOtakesOplace.OTheyOareOwha
tOyouOputOintoOtheOchemicalOreactionOtoOcauseOaOchemicalOchange.
WhatOisOaOproductOinOaOchemicalOequation?O-
OANSWEROChemicalsOthatOareOformedOduringOtheOchemicalOchange.
WhenOenergyOisOabsorbedOinOaOchemicalOreactionOitOisOaO__reaction.O-OANSWEROendothermic
WhenOenergyOisOreleasedOinOaOcheicialOreactionOitOisOaO__reaction>O-
OANSWEROexothermicO(OusuallyOinOtheOformOofOheat)
WhatOdoesOaOneutralizationOchemicalOreactionOproduce?O-OANSWEROwaterOandOsalt
AOchemicalOreactionOisOwhenOaO__OchangeOhasOoccurred.O-OANSWEROchemical
WhatOhappensOtoOtheOoldOmoleculesOinOaOchemicalOreaction?O-
OANSWEROTheyOrearrangeOintoOnewOmolecules
WhatOisOactivationOenergy?O-OANSWEROTheOenergyOneededOtoOstartOaOchemicalOreaction.
WhatOisOaOcoefficient?O-
OANSWEROTheOnumberOinOfrontOofOaOchemicalOformulaOwhichOtellsOhowOmanyOofOthatOmoleculesOisOneede
dOtoObalanceOtheOchemicalOequation.
ChemicalOreactionsOwillOproduceO-OANSWEROnewOsubstances.
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