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Chemistry Final ACS Exam Questions And Answers

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Chemistry Final ACS Exam Questions And Answers Chemistry Final ACS Exam Questions And Answers Chemistry Final ACS Exam Questions And Answers

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Chemistry Final ACS Exam Questions
And Answers
#gofge-gequalg-gCORRECTggANSWER-theg#gofgp+

#17gyellowgpacket,gWhengitgshow'sgagpicturegbeforegagreaction,gandgwant'sgtogknowgwhatgitg
looksglikegaftergthegreaction...howgdogyougknowgwhichgonegitgis?g-gCORRECTggANSWER-
Itgwillghavegtheglittlegone'sgleftover

Accuracy?g-gCORRECTggANSWER-
ClosenessgofgmeasurementsgtogthegTRUEgVALUEgofgwhatgisgbeinggmeasured

Addition/Subtractiongingregardsgtogsiggfigs?g-gCORRECTggANSWER-
Roundgnumbersgtogthegleastgnumbergofgdecimalgplaces

Aregzerosgatgthegendgofgagnumbergandgtogthegrightgofgthegdecimalgsignificant?g-
gCORRECTggANSWER-Yep!g

ex:g9.100gisg4gsiggfigs

Aregzerosginfrontgofgnon-zerogdigisgsignificant?g-gCORRECTggANSWER-Nope!g
ex:g0.0071gisgonlyg2gsiggfigs

AtomicgMassgNumber?g-gCORRECTggANSWER-
Numbergofgprotonsgandgneutronsg(numbergongthegleftguppergcornergofgthegchemicalgsymbol
)

AtomicgMass?g-gCORRECTggANSWER-
Numbergofgprotonsgingthegnucleusg(numbergongthegleftgbottomgcornergofgthegchemicalgsymb
ol)

Avogadro'sgNumber?g-gCORRECTggANSWER-6.022gxg10^23gparticlesg=g1gmole

Calorimeter'sgaregusedgtogfind?g-gCORRECTggANSWER-Specificgheatgcapacity

CombinationgReaction?g-gCORRECTggANSWER-Ag+gBg-->gAB

CombustiongReaction?g-gCORRECTggANSWER-Cg+gHg+gOg-->gH2Og+gCO2galways

, Covalentgbonding?g-gCORRECTggANSWER-Nonmetalgandgagnonmetal.gSharegelectrons.

Dalton'sgLawgofgPartialgPressure?g-gCORRECTggANSWER-Pgtotalg=gP1g+gP2g+gP3g...

DecompositiongReaction?g-gCORRECTggANSWER-ABg-->gAg+gB

DogcolumnsgorgrowsgingthegPeriodicgTableghavegsimilargpatterns?g-gCORRECTggANSWER-
Columnsg(theg"groups")ghavegrepeatinggpatterns?

DoublegReplacementgReaction?g-gCORRECTggANSWER-ABg+gCDg-->gADg+gCB

EmpiricalgFormulagvsgMoleculargFormula?g-gCORRECTggANSWER-
Molecularg=gthegactualgnumbergofgatomsgingagcompound
Empiricalg=gbasicgratio,gsmallestgwholegnumbersgofgatomsgingagcompound

Endothermic?g-gCORRECTggANSWER-HeatggoesgINTOgsystem,gakagqg=g+

Exothermic?g-gCORRECTggANSWER-HeatggoesgOUTgofgsystem,gakagqg=g-

Graham'sgLawgofgEffusion?g-gCORRECTggANSWER-
RategA/RategBg=gSquaregRootgofgMolargMassgB/MolargMassgA

Heat?g-gCORRECTggANSWER-q=mcΔT

Howgdogcatalystsgaffectgthegrategofgreaction?g-gCORRECTggANSWER-
CatalystsglowergthegActivationgEnergy,gwhichgputsgeachgcollisiongintogcorrectgorientation,ga
ndgmakesgthegreactiong"eaiser"

HowgdogyougcalculategActivationgEnergy?g-gCORRECTggANSWER-Eag=gEgacg-gEgr
(Energygofgactivatedgcomplexg-genergygofgreactants)

HowgdogyougcalculategPercentgError?g-gCORRECTggANSWER-Igexperimental-acceptedgI
____________________gxg100g
gacceptedgvalue




HowgdogyougcalculategΔHgfromgaggraph?g-gCORRECTggANSWER-ΔHg=gEgpg-gEr
(Energygofgproductsg-genergygofgreactants)

Howgdogyougdeterminegpolarity?g-gCORRECTggANSWER-
Usegthegchartgthatghasgelectronegativitygvalues,gthengsubtractgthegelementsgingthegcompou
ndgfromgeachgother.

Howgdogyougknowgwhichggasgisgfastest?g-gCORRECTggANSWER-
Theglightergtheygare,gthegfastergtheygare...akagaddgtogethergtheirgmasses,gandgseegwhichgo
neghasgthegsmallestgmass

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