Chemistry 11
Final Exam Review
Unit 6 Chemical Reactions
1.
How can you tell that a chemical reaction has occurred?
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2.
What is the Law of Conservation of Mass?
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4.
How can you tell that a chemical equation is balanced?
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3.
4.
Balance the following chemical reactions:
A.
___ Si4H10 + ___ O2
___ SiO2 + ___ H2O
B.
___ Ca3(PO4)2 + ___ SiO2 + ___ C
C.
___ C3H7N2O7 + ___ O2
___ CaSiO3 + ___ CO + ___ P4
___ CO2 + ___ H2O + ___ N2
Write and balance the following word equations:
A.
Aluminum + Copper (II) sulphate
Aluminum sulphate + Copper
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B.
Magnesium nitride + Water
Magnesium hydroxide + Ammonia (NH3)
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C.
Calcium hydroxide + Ammonium chloride
Water
Ammonia + Calcium chloride +
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Final Exam Review.doc
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Chemistry 11
5.
6.
Final Exam Review
Complete and balance the following reactions and classify each equation as one of:
synthesis, decomposition, single replacement, double replacement, neutralization or
combustion.
A.
___ HF + ___ Fe(OH)3
B.
___ FeCl2 + ___ K2S
C.
___ Al + ___ S8
D.
___ N2O
E.
___ C3H6OS2 + ___ O2
F.
___ Mg + ___ HCl
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Define the terms:
A.
Exothermic
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B.
Endothermic
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7.
Classify the following is exothermic or endothermic:
A.
2Na + 2H2O
B.
KClO3 + 41.4 kJ
C.
C2H6 + O2
D.
12CO2 + 11H2O
Final Exam Review.doc
2NaOH + H2 + 283 kJ
K+ + ClO3–
CO2 + H2O
∆H = – 3718 kJ
C12H22O11 + 12O2
∆H = +5638 kJ
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Chemistry 11
Final Exam Review
Unit 7 Stoichiometry
1.
Whst are are limiting and excess reactants?
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2.
Consider the reaction: 4C4H9SO2 + 25O2
A.
16CO2 + 18H2O + 4SO2
How many oxygen molecules react with 20 molecules of C4H9SO2?
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B.
How many moles of C4H9SO2 are required to produce 100 moles of water?
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C.
What mass of SO2 is formed when 50.0 g of C4H9SO2 is reacted?
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3.
A 25.0 mL sample of Al(OH)3 is titrated with 67.8 mL of 0.450 M HCl according to the
reaction
Al(OH)3 + 3HCl
AlCl3 + 3H2O
What is the concentration of the original Al(OH)3 solution?
Final Exam Review.doc
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Chemistry 11
4.
Final Exam Review
What mass of CS2 is produced when 25.8 g of C are reacted with 54.2 g of SO2 according
to the equation
5C + 2SO2
5.
CS2 + 4CO
A.
What mass of CS2 is produced?
B.
What mass of the excess reactant will be left over?
Consider the reaction
K2Cr2O7 + 6NaI + 7H2SO4
Cr2(SO4)3 + 3I2 + 7H2O + 3Na2SO4 + K2SO4
A 35.0 g sample of pure K2Cr2O7 produces 9.67 g of H2O. What is the percentage yield?
Final Exam Review.doc
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Chemistry 11
Final Exam Review
Unit 8 Atoms, Periodic Table, and Bonding
1.
2.
Which model of the atom is described by the following:
A.
Dense positively charged nucleus with electrons orbiting like planets around the
sun.
B.
Correctly predicts the spectrum of hydrogen.
C.
Plum pudding model.
D.
Atoms are like small spherical balls of matter.
Fill in the following table:
SYMBOL
PROTONS
NEUTRON
ELECTRONS
Rh
107
Pd2+
123
3.
4.
Sb3–
93
89
50
46
Write the electron configurations for the following:
(a)
Mo
(b)
Bi
(c)
Bk
(d)
Ag+
(e)
As3–
(f)
Pb4+
State the chemical family or group to which each of the following elements belongs.
(a)
silver
(d)
xenon
(g)
silicon
(b)
calcium
(e)
potassium
(h)
promethium
(c)
iodine
(f)
californium
(i)
tungsten
Final Exam Review.doc
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Chemistry 11
5.
6.
Consider the two atoms Sn and I.
(a)
Which atom has the larger atomic radius?
(b)
Which atom has the larger ionization energy?
(c)
Which atom has more shells?
(d)
How many valence electrons each atom have?
(e)
What is the valence of each atom?
(f)
Which atom has a greater electrostatic attraction between its nucleus and
outermost electrons?
Which of the following pairs would you expect to form ionic bonds and which would you
expect to form covalent bonds?
(a)
7.
Na and O
(b)
H and C
(c)
N and F
Which member of each following pair would you expect to have the higher melting
point?
(a)
8.
Final Exam Review
MgO and CsCl
(b)
LiF and BeO
(c)
MgS and BaS
(c)
PF5
Predict the shape of the following molecules.
(a)
NCl3
Final Exam Review.doc
(b)
H2O
6
Chemistry 11
Final Exam Review
Unit 10 Organic Chemistry
1.
Name the following compounds:
A.
C—C—C—C—C—C—C—C
|
C—C—C—C
B.
C—C
|
C—C C—C—C—C—C—C
|
|
C—C—C
C—C
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C.
D.
Br F
C—C—C
| |
|
C—C—C—C—C—C—C—C
|
|
|
Br
F
C—C
F F
| |
C—C—C—C—C—C
|
F
C—C
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E.
F.
C—C—C—C
|
Br
\
C—C—C—C—C—C
/
—C—C—C—C
\
C—C—C
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2.
|
Br
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Draw the following compounds (draw carbon skeletons only).
A.
2,2,4,4–tetramethylheptane
B.
3,4–diethyl–3–methyl–1–heptyne
Final Exam Review.doc
7
Chemistry 11
3.
2.
3.
Final Exam Review
Draw the following compounds (draw carbon skeletons only).
A.
1,3–dipropylcyclopentane
B.
1,1,1–trifluoro–2–methylpentane
Draw the following compounds
A.
3–methyl–1–hexanol
B.
4,4–dimethylheptanoic acid
C.
methyl pentanoate
D.
2–methylbutanal
Name the following geometric isomers (remember to include cis or trans as appropriate)
A.
C—C—C
C—C
\
/
C=C
/
\
C
C—C—C
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Final Exam Review.doc
B.
C—C—C
\
C=C
C—C
/
\
|
C
C—C—C—C
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Chemistry 11
4.
Final Exam Review
(A) Name the functional groups and (B) Name the compounds:
Carboxyllic acid
Ester
Aromatic ring
Halide
Alcohol
Aldehyde
Ketone
Ether
Amine
Amide
A.
C–C–C–C–C–C–O–C–C
B.
O
||
/
C
\
C–C–C
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C.
D.
F–C–C = C–C–C–C–F
|
C
F
C
|
|
C–C–C–C–C–C–CO–C–C
|
|
C
C
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E.
F.
–CHO
C
C
O
|
|
||
C–C–C–C–C–C–C–C–C
|
|
C
C–C–C
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G.
H.
C–C–C–C–C–COO–C
C–C–C–C–C–C–C–NH2
|
|
NH2 NH2
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I.
J
F
|
C–C–C–C–C–C–C–COOH
|
|
F
C
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Final Exam Review.doc
OH
|
|
C
|
C
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