CSU Chem 103 Exam 1 help Questions and
Answers 2025
HowAmanyAatomsAareAthereAinAaAsingleAmoleculeAofAethanolA(C2H6O)?A-
ACORRECTAANSWERS-9
NitrogenAmakesA_____Abond(s)A-ACORRECTAANSWERS-3
OxygenAmakesA_____Abond(s)A-ACORRECTAANSWERS-2
CarbonAmakesA_____Abond(s)A-ACORRECTAANSWERS-4
TheAnumberAofAelectronsAinAaAneutralAatomA-ACORRECTAANSWERS-
isAtheAsameAasAtheAnumberAofAprotons
TheAnumberAofAneutronsAinAanAatomAisAalwaysAtheAsameAasAtheAnumberAofAprotons.A-
ACORRECTAANSWERS-False
nAtheAspringAofA2010AanAoffshoreAoilArigAinAtheAGulfAofAMexicoAexplodedAresultingAinAmillion
sAofAgallonsAofAcrudeAoilAtoAbeAspilledAintoAtheAGulf.ADispersantsAsuchAasACorexitAorADisper
sitAwereAusedAinAtheAcleanAupAprocess.ATheseAsubstancesAactAsimilarlyAtoAsoapsAandAdete
rgents.AExplainAwhatAtheseAmoleculesAwouldAdoAtoAoilAspilledAintoAtheAGulfAofAMexico.A-
ACORRECTAANSWERS-
TheyAhaveAaAwaterAsolubleApartAandAaAgreasyApart.ATheAgreasyApartAinteractsAwithAdroplet
sAofAoilAandAbecauseAofAtheAwaterAsolubleApartAtheAwholeAdropletAbecomesAsolubleAinAwate
r.
TheAgeometryAaboutAcarbonAwhenAitAmakesAbondsAtoAfourAotherAatomsAisA________A-
ACORRECTAANSWERS-tetrahedral
WhatAisAgeometryAaboutAoxygenAinAwater?A-ACORRECTAANSWERS-bent
WhichAofAtheAfollowingAareAnotAoneAofAtheAfourAcategoriesAofAmoleculesAofAlife?AProtein,Aca
rbs,Afats,AnucleicAacids,AorAalcoholsA-ACORRECTAANSWERS-alcohols
condensationAreactionA-ACORRECTAANSWERS-
isAaAchemicalAreactionAinAwhichAtowAmoleculesAorAfunctionalAgroupsAcombineAtoAformAaAlar
gerAmolecule
AnAamideAisAformedAbyAaAreactionAbetweenAwhichAtwoAfunctionalAgroups?A-
ACORRECTAANSWERS-AnAamineAandAaAcarboxylicAacid.
SomeApeopleAinAtheAclassAclaimedAnotAtoAtasteAanythingAsweetAwhenAtheyAchewedAupAtheA
cracker.AWhatAisAtheAmostAlikelyAexplanationAforAthis?A-ACORRECTAANSWERS-
SomeApeopleAdidn'tAgenerateAenoughAsalivaAduringAtheAchewingAprocessAandAsinceAtheAa
mylaseAenzymeAcomesAfromAsaliva,AtheAreactionAdidn'tAoccur
WeA(andAmostAotherAlivingAorganisms)AcanAnotAdigestAcelluloseAwhichAofAtheAfollowingAare
AreasonsAwhyA-ACORRECTAANSWERS-
CelluloseApolymersAareArigidlyAstraightAandAtheAenzymeAinAusA(amylase)AfitsAandAreactsAwi
thAaAbentAstructure
ManyAproteinsAareAsolubleAinAwater,AyetAtheyAcontainAaminoAacidARAgroupsAthatAareAhydro
carbon-
like.AForAexample,AlookAatAtheAstructuresAofAleucineA(leu),AisoleucineA(ile),AvalineA(val),AorAp
henylalanineA(phe).AWhatAisAtheAlikelyAexplanationAforAhowAthisAisApossible?A-
ACORRECTAANSWERS-
Answers 2025
HowAmanyAatomsAareAthereAinAaAsingleAmoleculeAofAethanolA(C2H6O)?A-
ACORRECTAANSWERS-9
NitrogenAmakesA_____Abond(s)A-ACORRECTAANSWERS-3
OxygenAmakesA_____Abond(s)A-ACORRECTAANSWERS-2
CarbonAmakesA_____Abond(s)A-ACORRECTAANSWERS-4
TheAnumberAofAelectronsAinAaAneutralAatomA-ACORRECTAANSWERS-
isAtheAsameAasAtheAnumberAofAprotons
TheAnumberAofAneutronsAinAanAatomAisAalwaysAtheAsameAasAtheAnumberAofAprotons.A-
ACORRECTAANSWERS-False
nAtheAspringAofA2010AanAoffshoreAoilArigAinAtheAGulfAofAMexicoAexplodedAresultingAinAmillion
sAofAgallonsAofAcrudeAoilAtoAbeAspilledAintoAtheAGulf.ADispersantsAsuchAasACorexitAorADisper
sitAwereAusedAinAtheAcleanAupAprocess.ATheseAsubstancesAactAsimilarlyAtoAsoapsAandAdete
rgents.AExplainAwhatAtheseAmoleculesAwouldAdoAtoAoilAspilledAintoAtheAGulfAofAMexico.A-
ACORRECTAANSWERS-
TheyAhaveAaAwaterAsolubleApartAandAaAgreasyApart.ATheAgreasyApartAinteractsAwithAdroplet
sAofAoilAandAbecauseAofAtheAwaterAsolubleApartAtheAwholeAdropletAbecomesAsolubleAinAwate
r.
TheAgeometryAaboutAcarbonAwhenAitAmakesAbondsAtoAfourAotherAatomsAisA________A-
ACORRECTAANSWERS-tetrahedral
WhatAisAgeometryAaboutAoxygenAinAwater?A-ACORRECTAANSWERS-bent
WhichAofAtheAfollowingAareAnotAoneAofAtheAfourAcategoriesAofAmoleculesAofAlife?AProtein,Aca
rbs,Afats,AnucleicAacids,AorAalcoholsA-ACORRECTAANSWERS-alcohols
condensationAreactionA-ACORRECTAANSWERS-
isAaAchemicalAreactionAinAwhichAtowAmoleculesAorAfunctionalAgroupsAcombineAtoAformAaAlar
gerAmolecule
AnAamideAisAformedAbyAaAreactionAbetweenAwhichAtwoAfunctionalAgroups?A-
ACORRECTAANSWERS-AnAamineAandAaAcarboxylicAacid.
SomeApeopleAinAtheAclassAclaimedAnotAtoAtasteAanythingAsweetAwhenAtheyAchewedAupAtheA
cracker.AWhatAisAtheAmostAlikelyAexplanationAforAthis?A-ACORRECTAANSWERS-
SomeApeopleAdidn'tAgenerateAenoughAsalivaAduringAtheAchewingAprocessAandAsinceAtheAa
mylaseAenzymeAcomesAfromAsaliva,AtheAreactionAdidn'tAoccur
WeA(andAmostAotherAlivingAorganisms)AcanAnotAdigestAcelluloseAwhichAofAtheAfollowingAare
AreasonsAwhyA-ACORRECTAANSWERS-
CelluloseApolymersAareArigidlyAstraightAandAtheAenzymeAinAusA(amylase)AfitsAandAreactsAwi
thAaAbentAstructure
ManyAproteinsAareAsolubleAinAwater,AyetAtheyAcontainAaminoAacidARAgroupsAthatAareAhydro
carbon-
like.AForAexample,AlookAatAtheAstructuresAofAleucineA(leu),AisoleucineA(ile),AvalineA(val),AorAp
henylalanineA(phe).AWhatAisAtheAlikelyAexplanationAforAhowAthisAisApossible?A-
ACORRECTAANSWERS-