chemistry 11 final exam review key - weebly

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Chemistry 11 Final Exam Review Name: Date: Block: Unit 1: Organic Chemistry Organic Chemistry I Alkane & Formula Structural Formula Condensed Structural Formula Carbon Skeleton Formula Nonane C9H20 Organic Chemistry II Name the following hydrocarbons: _______________________________ _______________________________ Draw the following hydrocarbons: 3-methyl-4,5-diethyl-1-decene 3,3-diethyl-1,8-nonadiene Key Pentane CSHiz CHzCHzCHzCHzCH m i un I Z z 4 5 6 7 g 2,5 dimethyl 2 octere I 23 4 s 2,4 dimethyl 1,4 pertadiene 4,5 diethyl 3 methyl I decere affairs

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Page 1: Chemistry 11 Final Exam Review Key - Weebly

Chemistry11

FinalExamReviewName:Date:Block:

Unit1:OrganicChemistryOrganicChemistryI

Alkane&Formula

StructuralFormula CondensedStructuralFormula

CarbonSkeletonFormula

NonaneC9H20

OrganicChemistryIINamethefollowinghydrocarbons:

_______________________________

_______________________________Drawthefollowinghydrocarbons:3-methyl-4,5-diethyl-1-decene3,3-diethyl-1,8-nonadiene

Key

Pentane

CSHiz CHzCHzCHzCHzCH m

i un

IZz4 5 6 7 g

2,5 dimethyl 2 octere

I 23 4 s 2,4 dimethyl 1,4 pertadiene

4,5 diethyl 3 methyl I decere

affairs

Page 2: Chemistry 11 Final Exam Review Key - Weebly

OrganicChemistryIII

_______________________________

_______________________________Drawthefollowinghydrocarbon:1-ethyl-1,3,3-tripropylcyclobutane1,3-diethylcyclooctaneOrganicChemistryIVNamethefollowinghydrocarbon:

_______________________________

_______________________________

I

23

6 5 4 z z 1,2 dimethylcyclopropas

4 phenyl 2 hexere

If

2 pentanol65y3z I

4 bromo 2 hexene

Page 3: Chemistry 11 Final Exam Review Key - Weebly

Drawthefollowinghydrocarbon:1,1-difluoro-2-hexanol

3-bromo,2-chloropentaneCircleandidentifyatleast3differentfunctionalgroupsinthefollowingmolecules:

OrganicChemistryVClassifythefollowingtypeofreactionsascombustion,substitution,addition,eliminationorpolymerization:

___________________________

F

F

fntr

0000 alcohol

00 o

polymerization

Page 4: Chemistry 11 Final Exam Review Key - Weebly

___________________________

___________________________

Unit2:AtomicTheoryAtomicTheoryIElementSymbol

ElementName

AtomicNumber

MassNumber

Numberofprotons

Numberofneutrons

Numberofelectrons

Ti4+

22

Cadmium

48

Calculatetheaverageatomicmassofsilverif13outof25atomsaresilver-107and12outof25atomsaresilver-109.AtomicTheoryII-IIIElement:OxygenFullElectronConfiguration

CoreNotationOrbitalDiagram

CoreNotation

CoreNotationOrbitalDiagramforO2-

addition

substitution

Titanium 48 22 26 18

Cd 48 1 2 48 64

0.52 107 0.48 109singer

1325 0.52

1107.96mFSilver 1225 0.48

15252ps He IflHe 2s22p4 He 1k 11

Page 5: Chemistry 11 Final Exam Review Key - Weebly

Element:IronFullElectronConfiguration

CoreNotationOrbitalDiagram

CoreNotation

CoreNotationOrbitalDiagramforFe3+

AtomicTheoryIVFillintheblanksforthefollowingtable:Molecule LewisDiagram Notation Shape

Name:Diagram:

Name:SquarepyramidalDiagram:

AtomicTheoryVArrangethefollowingfromlargestatomicradiustosmallestatomicradius:

a) Ca,Ba,Mg,Sr

b) Explainhowyouarrangedtheabove

7L 11 7 77Is22524353ps 453dB Ar4S 3d

Ar 453dB Ar 13d

SquareplanarEKr Fy AXyEz Fm muFKr

F i B FE

C l

seas Ise JAKE

largest smallestBa Sr Ca Mg

Atomic radius increases as youmovedown a groupbecause

more energy shells are added

Page 6: Chemistry 11 Final Exam Review Key - Weebly

Arrangethefollowingfromhighestionizationenergytolowestionizationenergy:

a) Zr,Ag,Mo,Lu

b) Explainhowyouarrangedtheabove Arrangethefollowingfrommostelectronegativetoleastelectronegative:

a) Ca,Mg,B,Be

b) Explainhowyouarrangedtheabove Usethefollowingparticlestoanswerthequestionsbelow:

ChemicalName:

Magnesiumatom

Phosphorusion Fluorineatom Calciumatom Potassiumion

ChemicalFormula:

a) Ranktheparticlesinatomicsizefromsmallesttobiggest(youmustusechemicalformulasand

notthechemicalname):

b) Whichoftheparticleswouldhavethegreatestelectronegativity? _____________

c) Whichoftheparticleswouldhavethegreatestionizationenergy? _____________ Determinethetypeofbondthatformsbetweenthefollowingatoms

a) NaandCl

b) HandO

c) BrandBr

highest lowest

Ag Mo Zr Lu

As you move across a period atomic radius d and ionization energy4because it will take more energy to remove an outer electron if theatom is small outerelections closer to the positivenucleus

most leastB Be Mg ca

As you move down a group atomic radius T and electronegativity dbecause the ability to attract a bonded election

becomes weaker

when the size is larger

Mg 3rd P 33rd F 2nd 4thK 3rd

F K P Ng Ca

FF

3O 0.9 2 ionic

3.5 2 I 1.4 polar covalent

28 2.8 Of nonpolar covalent

Page 7: Chemistry 11 Final Exam Review Key - Weebly

Unit3:TheMoleMoleI-IIIHowmanymolesarein7.50x1024atomsoflithium?

Howmanymoleculesarein0.23molofKCl?Whatdoes2.65molofsodiumchlorideweigh?Howmanycarbonatomsarein72.6gofpropane(C3H8)?MoleIVHowmanymolarein0.72Lof2.5MNaOH?

Whatwouldbetheresultingmolarconcentrationif1.0gKClwasdissolvedin2.0Lofwater?Whatmassofsodiumhydroxidewouldyouneedtoprepare2.0Lwithaconcentrationof0.010M?

7 50 x t Emol0

0.23M xt2Y µ4x1omo1ecu k

O2.65M x HEEgn

n.io igII.xto2YoIEIIs x Exdp

O0.72 to

2 mO t8moln.IO

O00f

m 67xio M

oso x00Y Hx IµEognao

Page 8: Chemistry 11 Final Exam Review Key - Weebly

MoleVAsampleofcaffeineisanalyzedandfoundtocontain1.4844gC,0.1545gH,0.4947gOand0.8661gN.Itwasdeterminedthatthemolarmassis194.19g/mol.Whatisthemolecularformulaofcaffeine?Findthepercentcompositionofeachelementbymassofammoniumphosphate.Unit4:StoichiometryStoichiometryI-IIWriteoutacompletebalancedchemicalformula:a)Magnesiumoxidereactswithchlorinegastoformmagnesiumchlorideandoxygengas.b)Waterdecomposesintoitselements.

C 1.4844g 4mole 4 HIH 0.1545g x 8IS II 5moiHemPII9duTa monks's 97mg

moOO4947gx fjoolg0.03092 o 7nolo

l Y g2x Catton

µ 0.8661g x 99 9311 2manCgHwOzN

0NH4 31004

3 14.01 12 1.01 t 30.97 t 4 16.00

N xloo.ly fNf149.12gImo

H CYfg.jo x10ot 8T3TJHp 30.972 1001 120.77171149.12

O 4,449200

1001 142.92

072

MgO t2Clz 2MgC1z t Oz

2 H2O 2 Hz t Oz

Page 9: Chemistry 11 Final Exam Review Key - Weebly

Lithiummetalreactsviolentlywithwatera)If4.37molesofhydrogengasareproduced,howmanymolesoflithiummetalreacted?b)Howmanygramsoflithiumisthis?StoichiometryIIISodiummetalreactswiththeoxygenintheairtoproducesodiumoxide

a) Writeoutthebalancedequationbelow:

b) If9.11molofsodiumreactedatSTP,howmanylitersofoxygenreacted?

c) If2.3Lof0.45Msodiumreacted,howmanygramsofsodiumoxidewereproduced?TheformulaforbenzoicacidisC7H6O2

a) Whatisthebalancedcombustionreaction?

b) Whatvolumeof3.8gof1.72MC7H6O2isrequiredforthisreaction?

2Li H2O Hz t Liao

4.37 x 1 4n

08.74 i x EE7gFJ

4 Na t Oz 2 Nazo

0a iii xf I 7 n l o

Cas xfI.IT x6Y s.I0

lZZgnazJ2GH6Oz15oz 14 Coz t 6 thoo

3 sc oozx 10.018,47J

Page 10: Chemistry 11 Final Exam Review Key - Weebly

StoichiometryIVGiventhebalancedreaction:

4FeS+7O2à2Fe2O3+4SO2

A439.5gsampleofFeSismixedwith256.0gofO2.

a) Identifythelimitingreactant.

b) Calculatethemassofeachproductthatisproduced.

c) Calculatethemassoftheexcessreactantleftover.

g439.5Gt x L e 42I

e2 499m01Fezo

256.0gn

ezo

qilozisthelimiting

2 286M 03 x ZEE gFez

ask ke g

0256 0

3 gI 4j x Is res

439.5g 401.1g 37kgT

Page 11: Chemistry 11 Final Exam Review Key - Weebly

StoichiometryVConsiderthereaction:

____Al+____O2à____Al2O3

a) A20.0gsampleofAlreactstoproduce32.7gofAl2O3.Whatisthepercentageyieldofthereaction?

b) Ifthisreactionhasapercentageyieldof74.2%,whatmassofAl2O3canbeproducedwith50.0gofAl?

Considerthereaction:

____KO2+____CO2à____K2CO3+____O2

a) A30.0gsampleofKO2is59.3%pure.WhatmassofK2CO3canthesampleproduce?

b) AnothersampleofKO2withamassof150.0gisreactedsoastoproduce89.7gofK2CO3.WhatisthepercentagepurityofKO2?

4 3 2theoretical Itual I

20org xzfIIjI xYIIIY3 37.8gAko

yield 100 Ig9_x loot IE5

theoretical2

soosatxzi.IT x2IITIxmiYoIIa.O 94

74.294

100

x 0.742 945g 7OIgAlz0zactual

4 2 2 3

I59.3 z g

x 1001

O 593 X30.0g x

x 178gpureKoz

Koi xfi x lF3sT89 to oxfsfIYjTIx4zIIIIxYYIo 92.3gko

purity f o fj loot

161.5710J

Page 12: Chemistry 11 Final Exam Review Key - Weebly

Unit5:SolutionChemistrySolutionIConsidera500.mLsolutionmadebydissolving6.7gofCuSO4inwater.

a) Whatisthemolarityofthissolution?

b) Ifthissolution(fromtheabovequestion)wasthendilutedbyadding250mLofwater,whatisthefinalconcentration?

When350.0mLof0.250MMgCl2isboileddowntoafinalvolumeof275.0mL,whatisthemolarityoftheMgCl2intheresultingsolution?SolutionIIWritethebalancedionizationequationforthefollowingsolutesinwater:

a) Na3PO4

b) BaF2

6 7gf m c10.084Mcus.FI159762

C V C z

0.084M 50 750 mL

Cz 10OEIMC.us

OIo fffYo4 xlmolcvso4 I159.6 soyO.OEfMcus

IC V Cz z

0.250M 350.0mL Cz 275.0mL

Cz IO.ZIIMmg.cl

NazP0ycaa 3 Natas Policies

BaFz can Ba can t 2F cars

Page 13: Chemistry 11 Final Exam Review Key - Weebly

250.0mLof0.60MHClisaddedto300.0mLof1.0MHBr.Whatisthefinalconcentrationofeachioninsolution?Writeaformulaequation,completeionicequationandnetionicequationforthefollowingreactions:

a. Potassiumphosphateandcopper(II)chloride

b. Silvernitrateandsodiumphosphate

2. Asolutioncontainsthefollowingions.Usingaflowchart,showwhatcompoundscouldbeaddedandinwhatordertoseparatetheseions.

OH-,S2-,SO42-

HCl EHBrC V CzVz C V Czk

0.60M 250.0mL Cz 550.0mL l OM 300.0mL Cz 550.0mL

Cz O 27M Hcl Cz 0.55M Hrs

HCl H 1 Ct Hbr Ht Br0.55M 0.55M 0.55M

0.27M M

ftp.o.zymto 5 SM O 82

Cl J O 27M

Br J O 55M

NO2K3P04cqf3CvClzc 6 KC Ica Cuz 04 zcs

6µg 21304 as 304 at casT6Kan6 CvzCP0yzcs

3 Cu cag 2Poy as Cuz 0472 s

3Agnosias NasPO4laas AgsPacs 3 NaNOscag

3Agtcaa t 3NO5caqi 3Na al PO4 agy sAgzP04cs t3Naagst3N0g

3Agtcas POLI Zag AgsPoe csother answerspossible

I Add Mg Nb z cast

S2 so42X Mg0H z Cs ppt

Add Ca Nos cag

S2 X Casa Cs pptAdd AI Nos cast

A1253Cs ppt

Page 14: Chemistry 11 Final Exam Review Key - Weebly

SolutionIIIConsiderthefollowingresultsfromatitrationlab.

3.00gofNaOHwasdissolvedtomakea100.mLsolutionBelowisthevolumeoftheNaOHsolutionneededtoneutralize10.0mLH3PO4.

Trial#1 Trial#2 Trial#3

Initialreadingofburette

(mL)0.00 12.45 24.94

Finalreadingofburette(mL) 12.45 24.94 37.36

WhatistheconcentrationofthestandardizedsolutionofNaOH?

WhatwastheaveragevolumeofNaOHwasneeded?

Whatistheconcentrationoftheacid?

NaOHused mL 12.45 12.49 12.42

YgoY x lo75omn.TT

2.45mLt12z42.4 t

12.45nnaoL

3NaOH t HzP04 3h20 NasPoy

0.01245M Y n I xo OEIMHsP