chemistry 11 final exam review key - weebly
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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
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
Drawthefollowinghydrocarbon:1,1-difluoro-2-hexanol
3-bromo,2-chloropentaneCircleandidentifyatleast3differentfunctionalgroupsinthefollowingmolecules:
OrganicChemistryVClassifythefollowingtypeofreactionsascombustion,substitution,addition,eliminationorpolymerization:
___________________________
F
F
fntr
0000 alcohol
00 o
polymerization
___________________________
___________________________
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
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
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
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
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
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
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
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
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
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
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