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SESSION: 36 PAGE: 1 3/20/06 12:26 LOGIN IS-joer PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
VIRGINIA STANDARDS OF LEARNING
Spring 2005 Released Test
END OF COURSE
CHEMISTRY
CORE 1
Property of the Virginia Department of Education
䉷 2006 by the Commonwealth of Virginia, Department of Education, P.O. Box 2120, Richmond, Virginia 23218-2120.
All rights reserved. Except as permitted by law, this material may not be reproduced or used in any form or by any
means, electronic or mechanical, including photocopying or recording, or by any information storage retrieval system,
without written permission from the copyright owner. Commonwealth of Virginia public school educators may
reproduce any portion of these released tests for noncommercial educational purposes without requesting permission.
All others should direct their written requests to the Virginia Department of Education, Division of Assessment and
Reporting at the above address or by e-mail to [email protected].
12/2/05
10:12 AM
Page 1
Periodic Table of the Elements
Atomic mass
Group
1
1.00794
H
1
+1
-1
1
Hydrogen
1
6.941
2
Be
3
4
+1
14
4.00260
Silicon
10.81
+2
Transition Elements
14
+3
B
C
5
6
1s22s22p1
28.0855
Al
Si
13
14
4
Magnesium
40.08
+2
3
4
44.9559
+3
47.88
5
+2
+3
+4
50.9415
51.996
54.9380
55.847
58.9332
58.69
Sc
Ti
21
22
23
24
25
26
27
28
[Ar]3d14s2
[Ar]3d24s2
[Ar]3d34s2
[Ar]3d54s1
[Ar]3d54s2
[Ar]3d64s2
[Ar]3d74s2
[Ar]3d84s2
+1
Rb
+2
Sr
37
[Kr]5s2
Rubidium
+1
Strontium
137.33
Scandium
88.9059
+3
Titanium
91.224
Y
38
[Kr]5s1
132.905
Calcium
87.62
+2
+4
Vanadium
92.9064
Zr
Nb
+3
+5
Chromium
95.94
Mo
+3
+6
Manganese
(98)
Tc
41
42
43
44
45
[Kr]4d45s1
[Kr]4d55s1
[Kr]4d65s1
[Kr]4d75s1
[Kr]4d85s1
Yttrium
138.906
Zirconium
178.49
+3
+4
Niobium
180.948
+5
Molybdenum Technetium
183.85
+6
186.207
La
Hf
Ta
W
Re
57
72
73
74
75
+1
[Xe]5d16s2
Barium
226.025
+2
[Xe]4f145d26s2
Lanthanum
227.028
[Xe]4f145d36s2
Hafnium
(261)
+3
Tantalum
(262)
[Xe]4f145d46s2
Tungsten
(263)
+4
+6
+7
Ruthenium
190.2
Os
+3
+4
Ir
76
[Xe]4f145d56s2
Rhenium
(262)
[Xe]4f145d66s2
Osmium
(265)
Sg
Bh
Hs
Mt
87
88
89
104
105
106
107
108
109
Actinium
[Rn]5f146d37s2
[Rn]5f146d47s2
[Rn]5f146d57s2
[Rn]5f146d67s2
[Rn]5f146d77s2
Dubnium
Seaborgium
Bohrium
Hassium
Meitnerium
Ce
Lanthanoid Series
58
[Xe]4f15d16s2
Cerium
232.038
Actinoid Series
+4
140.908
+3
(145)
+3
150.36
+2
+3
151.96
Nd
Pm
Sm
59
60
61
62
63
[Xe]4f36s2
[Xe]4f46s2
[Xe]4f56s2
[Xe]4f66s2
[Xe]4f76s2
Praseodymium Neodymium Promethium
231.036
Pa
90
91
Thorium
144.24
[Xe]4f145d96s1
Pr
Th
[Rn]6d27s2
+3
+4
+5
[Rn]5f26d17s2
Protactinium
238.029
U
+3
+4
+5
+6
92
[Rn]5f36d17s2
Uranium
237.048
Np
+3
+4
+5
+6
93
[Rn]5f46d17s2
Neptunium
Au
32
+2
Gallium
Germanium
114.82
48
200.59
Hg
49
+1
+2
Tl
Gold
+2
+4
207.2
Pb
81
9
1s22s22p4
P
S
74.9216
As
Se
Selenium
127.60
-3
+3
+5
Te
208.980
Bi
82
Br
-2
+4
+6
Tellurium
(209)
Po
83
39.948
18
[Ne]3s23p6
Argon
-1
+1
+5
83.80
Kr
I
+2
+4
[Ar]3d104s24p6
Krypton
-1
+1
+5
+7
131.29
Xe
0
+2
+4
+6
54
[Kr]4d105s25p5
Iodine
[Kr]4d105s25p6
Xenon
(210)
84
0
+2
36
Bromine
126.905
0
Ar
53
[Kr]4d105s25p4
+3
+5
Neon
-1
+1
+3
+5
+7
[Ar]3d104s24p5
52
[Kr]4d105s25p3
10
35
[Ar]3d104s24p4
Antimony
+2
+4
79.904
0
1s22s22p6
Chlorine
-2
+4
+6
34
Arsenic
Sb
Cl
20.179
Ne
[Ne]3s23p5
Sulfur
[Ar]3d104s24p3
121.75
35.453
17
[Ne]3s23p4
78.96
-1
Fluorine
-2
+4
+6
16
-3
+3
+5
18
1s22s22p5
Oxygen
32.06
-3
+3
+5
51
Tin
+1
+3
F
8
30.97376
50
[Kr]4d105s25p2
Indium
204.383
80
[Xe]4f145d106s1
118.71
Sn
[Kr]4d105s25p1
Cadmium
+1
+3
+3
O
33
[Ar]3d104s24p2
18.998403
7
Phosphorus
[Ar]3d104s24p1
In
[Kr]4d105s2
Silver
196.967
Ge
31
Cd
79
(222)
0
At
Rn
85
86
[Xe]4f145d106s2 [Xe]4f145d106s26p1 [Xe]4f145d106s26p2 [Xe]4f145d106s26p3 [Xe]4f145d106s26p4 [Xe]4f145d106s26p5 [Xe]4f145d106s26p6
Mercury
Thallium
Lead
Bismuth
Samarium
(244)
Pu
Mass numbers in parentheses are those of
the most stable or most common isotope.
110
[Rn]5f146d27s2
+3
+4
Pt
+2
+4
Ga
-2
N
[Ne]3s23p3
+2
+4
17
15.9994
-3
-2
-1
+1
+2
+3
4
1s22s22p3 +
+5
15
Silicon
72.59
30
112.41
47
Platinum
Rutherfordium
140.12
Ag
+3
Zn
Zinc
+1
69.72
14.0067
Nitrogen
-4
+2
+4
[Ne]3s23p2
Aluminum
+2
16
Polonium
Astatine
Radon
(269?)
Db
[Rn]6d17s2
107.868
[Kr]4d105s1
Palladium
195.08
65.39
[Ar]3d104s2
Copper
+2
+4
[Ne]3s23p1
12
+1
+2
[Ar]3d104s1
78
Iridium
Rf
Radium
+3
+4
(266?)
Ac
[Rn]7s2
Cu
46
[Xe]4f145d76s2
Ra
Francium
63.546
29
[Kr]4d105s0
77
Fr
[Rn]7s1
106.42
Pd
Rhodium
192.22
Ni
11
+2
+3
Nickel
+3
Rh
40
56
Cesium
Ru
102.906
[Kr]4d25s2
Ba
(223)
Cobalt
+3
39
55
[Xe]6s2
Iron
101.07
[Kr]4d15s2
Cs
[Xe]6s1
+4
+6
+7
Co
10
+2
+3
20
Potassium
Fe
9
+2
+3
Ca
85.4678
Mn
8
+2
+3
+4
+7
K
[Ar]4s2
Cr
7
+2
+3
+6
19
[Ar]4s1
V
6
+2
+3
+4
+5
-4
+2
+4
Carbon
+3
12
+1
15
1s22s22p2
Boron
26.98154
+2
12.0111
Mg
Sodium
2
Helium
13
[Ne]3s2
He
Name
1s2
Beryllium
24.305
Selected Oxidation States
11
39.0983
7
* 23p2
[Ne]3s
-4
+2
+4
Na
[Ne]3s1
6
Si
Atomic number
Electron configuration
* The bracketed area
1s22s2
Lithium
5
9.01218
Li
1s22s1
3
Symbol
2
+1
22.98977
28.0855
represents the electron
configuration of a noble gas.
1s
Period
VA_Periodic_table_elements
+3
+4
+5
+6
Eu
Am
95
[Rn]5f67s2
[Rn]5f77s2
157.25
+3
+3
+4
+5
+6
Americium
158.925
+3
162.50
+3
164.930
+3
167.26
+3
Nonmetals
168.934
+3
173.04
Gd
Tb
Dy
Ho
Er
Tm
Yb
64
65
66
67
68
69
70
[Xe]4f75d16s2
Europium
(243)
94
Plutonium
+2
+3
Metals
Gadolinium
(247)
+3
[Xe]4f96s2
Terbium
(247)
Cm
Bk
96
97
[Rn]5f76d17s2
Curium
[Xe]4f106s2
+3
+4
[Rn]5f97s2
Berkelium
[Xe]4f116s2
Dysprosium
(251)
+3
Holmium
(252)
[Xe]4f126s2
Erbium
(257)
[Xe]4f136s2
Thulium
(258)
+2
+3
[Xe]4f146s2
Ytterbium
(259)
174.967
Lu
71
[Xe]4f145d16s2
Lutetium
(260)
Cf
Es
Fm
Md
No
Lr
98
99
100
101
102
103
[Rn]5f137s2
[Rn]5f147s2
[Rn]5f107s2
[Rn]5f117s2
Californium
Einsteinium
[Rn]5f127s2
Fermium
Mendelevium
+3
Nobelium
[Rn]5f146d17s2
Lawrencium
Revised November 2004
Copyright © 2006 by the Commonwealth of Virginia Department of Education
VA_Periodic_table_elements
12/2/05
10:12 AM
Page 2
SESSION: 35 PAGE: 2 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
Chemistry
3
DIRECTIONS
Read each question carefully and choose the best
answer. Then mark the space on the answer
sheet for the answer you have chosen.
2KOH ⴐ H2SO4 → 2H2O ⴐ K2SO4
What mass of potassium hydroxide is
required to react completely with 2.70 g
of sulfuric acid to produce potassium 2048397
sulfate and water?
CY04B403
SAMPLE
4.73
B 3.09
C 2.36
D 1.54
A
Which of the following is a balanced
equation?
g
g墍
g
g
墍
C
L
H2 ⫹ Br2 → 2HBr 墍
B H2 ⫹ Br2 → HBr
C H2 ⫹ 2Br2 → 2HBr
D 2H2 ⫹ Br2 → HBr
A
4
Which of the following best describes
sublimation?
2048736
A solid melting to a liquid
G A solid melting to a liquid, which then
evaporates
H The movement of gaseous particles so
that they fill the space they occupy
J A solid forming a gas 墍
F
1
How many valence electrons does a
neutral atom of silicon have?
2047609
CY02A611
墌
C
3
B 4 墍
C 5
D 6
A
5
2
2185639
CY03A700
墌
C
The correct name for P2O5 is —
2006 Commonwealth of Virginia Department of Education
A
2
墍
C
The reaction times for three trials of
an experiment are 90.3, 90.2, and 90.5
seconds. Which average time is
expressed using the correct number of
2047440
significant figures?
90.3 墍
B 90.33
C 90
D 90.333
phosphorus (V) pentoxide
G phosphorus oxide
H phosphorus (II) oxide
J diphosphorus pentoxide 墍
F
CY05D508
CY01ER01
墍
C
L
SESSION: 35 PAGE: 3 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
6
Some Selected Polyatomic Ions
8
? Al ⴐ ? HCl → ? AlCl3 ⴐ ? H2
2047981
CY03B405
墌
C
L
Positive Ions
Which set of coefficients will balance
this equation?
1,
G 2,
H 2,
J 3,
F
3,
3,
6,
6,
1,
2,
2,
3,
Names
Names
Symbols
NH4ⴐ
acetate
CH3COOⴑ
mercury (II) Hg2ⴐ
cyanide
CNⴑ
oxalate
C2O42ⴑ
ammonium
1
6
3墍
2
Symbols
Negative Ions
phosphate PO43ⴑ
thiosulfate S2O32ⴑ
7
2047876
CY02FR01
墌
C
L
Using the table above, what is the
correct formula for ammonium
phosphate?
At room temperature, chlorine exists
as a gas, bromine exists as a liquid,
and iodine exists as a solid. The
physical states of these elements
indicate that melting point —
2047927
CY03A307
墍
C
NH4PO4
G (NH4)2(PO4)3
H (NH4)3PO4 墍
J NH4(PO4)3
F
decreases from top to bottom with group
17 elements
B is independent of periodic position
C increases from top to bottom within
group 17 elements 墍
D is constant within group 17 elements
A
9
Element Protons Neutrons Electrons
!
"
"
"
"
"
2047666
Which represents an atom of calcium? CY02C603
1墍
B 2
C 3
D 4
A
2006 Commonwealth of Virginia Department of Education
3
墍
C
ArtCodes
CY02C603.AR1
SESSION: 35 PAGE: 4 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
10
13
2084942
Which half-reaction represents
reduction?
Cu0 → Cu⫹2 ⫹ 2e⫺
⫹2
⫹3
B Fe → Fe ⫹ 1e⫺
⫹1
0
C Ag ⫹ 1e⫺ → Ag 墍
0
⫹3
D Al → Al ⫹ 3e⫺
A
CY01A712
墌
C
L
ArtCodes
CY01A712.AR1
2048142
CY03E108
墍
C
L
What is the name of the lab equipment
shown above?
Watch glass
G Crucible 墍
H Beaker
J Evaporating dish
F
Titration of Acid with NaOH
13
12
11
10
9
8
7
6
5
4
3
2
1
A scientist has found the following
isotope of oxygen:
2047634
CY02B511
墌
C
19
8 O
How many neutrons are present in this
isotope?
8
B 11 墍
C 19
D 27
A
12
2185632
CY01E701
墌
C
墍
C
Equivalence point
ArtCodes
CY01G722.AR1
0 5 10 15 20 25 30 35 40 45 50
Volume of NaOH added (mL)
Indicators for Titrations
Indicator
pH Range Color Change
Bromocresol
4.0 – 5.6 Pink - Blue
green
Indigo carmine 11.4 – 13.0 Blue - Yellow
Neutral red
6.8 – 8.0 Pink - Red - Yellow
Phenolphthalein 8.0 – 10.1 Colorless - Pink
The melting point of a white solid
substance was determined in four
repeated trials to be 56.0ⴗC, 55.0ⴗC,
57.5ⴗC, 55.5ⴗC. What temperature
should be reported as the melting
point as a result of these trials?
Which is the best indicator for giving a
color change at the equivalence point?
Bromocresol green
G Indigo carmine
H Neutral red
J Phenolphthalein 墍
F
55.0⬚C
55.5⬚C
H 56.0⬚C 墍
J 57.5⬚C
F
G
2006 Commonwealth of Virginia Department of Education
2185688
CY01G722
pH
11
14
4
SESSION: 35 PAGE: 5 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
N2 ⴐ 3H2 ⎯→ 2NH3
15
2048314
CY04A201
墌
C
18
If 6 liters of hydrogen gas are used,
how many liters of nitrogen gas will be
needed for the above reaction at STP?
2 liters 墍
B 3 liters
C 4 liters
D 12 liters
1
G 2 墍
H 4
J 8
A
16
2048019
CY03C208
墌
C
17
2185640
CY05E701
墌
C
F
Which of the following best represents
the reaction between hydrochloric acid
and sodium hydroxide?
19
Solution
A
B
C
D
pH
2
6
9
12
2048379
CY04B207
墍
C
L
2048654
CY04G618
2HCl ⫹ 2NaOH → Na(OH)2 ⫹ H2Cl2
G HCl2 ⫹ 2Na(OH)2 → 2H2O ⫹
2NaCl ⫹ OH⫺
H HCl ⫹ NaOH → H2O ⫹ NaCl 墍
⫹
J 2HCl ⫹ Na(OH)2 → 2H2 ⫹ Na ⫹
⫺
Cl ⫹ O2
F
Which pair of solutions would be
acidic if mixed in equal quantities?
墍
C
A and B 墍
B B and C
C B and D
D C and D
A
The freezing point and the boiling
point of water can be altered by a
variety of techniques. Which of the
following has little or no effect on the
boiling point of water?
20
The elements that are characterized by
the presence of an incomplete d
2047820
sublevel are called —
CY02G512
transition elements 墍
G alkali earth metals
H halogens
J lanthanoids
F
Increasing the air pressure above the
liquid
B Adding alcohol to the water
C Adding sodium chloride to the water
D Increasing the amount of water 墍
A
2006 Commonwealth of Virginia Department of Education
Formaldehyde (H2CO) reacts with
oxygen to form CO2 and H2O. How
many moles of CO2 will be produced
from reacting 2 moles of H2CO with
oxygen?
5
墍
C
L
SESSION: 35 PAGE: 6 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
21
1
2
3
23
4
100
Vapor Pressure
(kPa)
2048698
CY05B403
墌
C
ArtCodes
CY05B403.AR1
The type of formula that shows the
arrangements of atoms and bonds is
called —
80
40
20
40
60
80 100
24
Standard atmospheric pressure is
101.3 kPa. According to the graph,
which of these four liquids boils at the
lowest temperature?
Methyl Mercury Contamination
in Red Hollow Brook
4.0
Parts Per Million of
Methyl Mercury
1墍
B 2
C 3
D 4
C
CY01G720
墍
3.0
ArtCodes
CY01G720.AR1
2.0
1.0
0Jan
墌
Apr Jul Oct Jan Apr Jul Oct Jan Apr Jul
1999
The net charge on an aluminum ion is
ⴐ3 because there are —
2000
2001
Methyl mercury, found in some stream
sediments, is highly toxic to animal
life. Using the graphed results of the
study shown, the best analysis of the
data reveals that the methyl mercury
concentration in the stream sediment
is —
10 protons and 13 electrons in the atom
G 13 protons and 10 neutrons in the
nucleus
H 10 neutrons and 13 electrons in the
atom
J 13 protons and 10 electrons in the atom 墍
F
steadily increasing, accelerating in the
fall of each year
G increasing overall but reaches a
minimum in the winter
H constantly declining throughout each
month of the year
J decreasing but reaches a maximum at
the end of summer 墍
F
2006 Commonwealth of Virginia Department of Education
2185712
C
A
CY02C506
C
20
Temperature
(°C)
2047662
墍
empirical
B chemical
C molecular
D structural 墍
A
60
0
22
2048072
CY03C617
6
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C
6
120
墍
110
4
100
90
2048724
CY05D101
•••
5
•
墌
Carbon
B Glucose
C Distilled water
D Air 墍
A
••
CY02H606
1 Kilogram of Water Heating
•••
2047881
28
Which of the following is a mixture?
Temperature (˚C)
25
20
C
ArtCodes
CY05D101.AR1
10
2
0
•••
3
-10
26
-20
2C4H10 ⴐ 13O2 → 8CO2 ⴐ 10H2O
1
10
•••
•••
•••
20 80 90 110 180 190 200 720 730 740 750
Heat (Kcal)
2185704
CY01G712
墌
What is the mole ratio of C4H10 to CO2
in the reaction shown?
Between points 2 and 3, energy is
being used to —
C
1⬊4 墍
G 2⬊13
H 4⬊5
J 13⬊8
F
27
2047891
melt ice 墍
G heat water
H evaporate water
J heat water vapor
F
One indicator that electrons in atoms
are limited to specific energy levels is
that —
29
CY02I107
墌
C
L
atoms move faster when heated
B the light given off by atoms is all at the
same wavelength
C the Doppler effect shows a shift in
wavelength for H-atom light
D light emitted from excited atoms occurs
only at specific wavelengths 墍
A
2006 Commonwealth of Virginia Department of Education
A container holds 20.0 grams of neon
gas. Under the same conditions, how
many grams of xenon would the
container hold?
108
B 131
C 262
D 370
A
7
g
g墍
g
g
2185593
CY04A712
墍
C
SESSION: 35 PAGE: 8 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
30
33
2C2H6 + 7O2
2048409
H2SO4 + KOH
4CO2 + 6H2O
H2O + K+ + HSO4–
CY04B512
墌
C
ArtCodes
CY04B512.AR1
Which is the base in the reaction?
In the combustion of ethane, how
many moles of CO2 can be produced
from 1.00 mole of C2H6?
H2O
B KOH 墍
+
C K
D H2SO4
A
0.500 mole
G 1.00 mole
H 2.00 moles 墍
J 4.00 moles
F
34
31
2185705
CY03C703
墌
C
32
2048498
CY04D603
墌
C
L
2048643
CY04G605
What is the molecular formula of
a substance that has an empirical
formula of C2H5 and a molecular mass
of 58 g/mole?
C
L
ArtCodes
CY04G605.AR1
Charles’ Law states that if a given
quantity of gas is held at a constant
pressure, then its volume is directly 2048669
CY05A105
proportional to the absolute
temperature. This law explains why — 墍
C
the pressure of a gas increases when
volume decreases
G a gas-filled balloon expands when it is
heated 墍
H solids require heat in order to change
into gases
J some gases only react with each other at
high temperatures
F
C2H5
B C5H2
C C4H10 墍
D C6H15
A
According to Boyle’s law, the
relationship between the pressure and
volume of a gas at constant
temperature is —
35
numerically equivalent
G inversely proportional 墍
H positively correlated
J totally unrelated
F
2006 Commonwealth of Virginia Department of Education
墍
What is a possible cause of a large
percentage of error in an experiment
where MgO is produced from the
combustion of magnesium?
Not all of the Mg has completely
reacted. 墍
B The same balance was used throughout
the experiment.
C The students were careful in their
measurements.
D The students were careful not to spill
the contents.
A
8
2047488
CY01F205
墍
C
SESSION: 35 PAGE: 9 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
36
39
Na2CO3 ⴐ Ca(OH)2 → 2NaOH ⴐ CaCO3
2048153
CY03E308
墌
Which condition will cause a shift in 2048569
the equilibrium of the above reaction? CY04F204
Which type of reaction is represented
here?
墍
C
Double the concentration of reactants C
and products
B Increase the reaction temperature 墍
C Reduce the concentration of products
and reactants by 10%
D Keep the reaction temperature constant
A
Single replacement
G Double replacement 墍
H Synthesis
J Decomposition
F
37
2048786
CY05F505
墌
C
38
2048039
CY03C406
墌
C
L
2HCl(g) s H2(g) ⴐ Cl2(g)
The amount of energy needed to raise
one gram of a substance one degree
Celsius is a characteristic property
known as —
40
2O3 (g) → 3
(g)
2047963
Which completes the chemical
equation above?
heat of formation
B heat of vaporization
C molar heat of fusion
D specific heat capacity 墍
A
CY03B101
墍
O2 墍
G O3
H ClO
J ClO2
C
F
The empirical formula for C6H12 is —
41
C3H6
G C2H4
H CH3
J CH2 墍
F
A
G
B
C
D
E
F
2185562
CY03D709
墍
C
ArtCodes
CY03D709.AR1
An alien astronaut landed on Earth
and created the periodic table shown.
The astronaut was trying to determine
what type of bond would be present in
several compounds. The type of bond
in a compound containing G and E
would be —
a metallic bond
B a nonmetallic bond
C a covalent bond
D an ionic bond 墍
A
2006 Commonwealth of Virginia Department of Education
9
SESSION: 35 PAGE: 10 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
42
43
2185622
CY01A703
90
C
80
墌
CY01A703.AR1
60
50
40
Final
fluid
level
Original
fluid
level
10 mL
CY03G514
墍
50
80
C
L
Total Mass
of Flask
and
Contents
(g)
70
60
50
ArtCodes
CY03G514.AR1
40
40
30
30
20
2048294
90
70
ArtCodes
Reaction of CaCO3 and HCI
100 mL
100 mL
Object
X
0
20
10
40
50
60
10 mL
CaCl2 + H2O + CO2
Calcium carbonate was placed in a
flask on a balance, and dilute
hydrochloric acid was added. Carbon
dioxide that was produced escaped
from the flask. The total mass of the
flask and its contents was recorded
every 10 seconds. The diagram above
shows a plot of the results. Between
which of the following times was the
reaction the fastest?
The volume of Object X is
approximately —
20
G 25
H 30
J 35
30
Time (s)
CaCO3 + 2HCl
F
20
mL
mL 墍
mL
mL
0 and 10 seconds 墍
B 10 and 20 seconds
C 20 and 30 seconds
D 30 and 40 seconds
A
44
How many liters are equivalent to five
milliliters?
2185737
0.005 L 墍
G 0.05 L
H 500 L
J 5000 L
F
2006 Commonwealth of Virginia Department of Education
10
CY01G724
墍
C
SESSION: 35 PAGE: 11 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
45
2047503
46
The following data were collected.
The volume of the gas is known to be
2.20 L.
CY01F517
墌
Gas Volume Data
C
L
The total pressure of an O2-Ar-He gas
mixture is 755 mmHg. If the partial
pressure of Ar is 174 mmHg and the
partial pressure of He is 389 mmHg,
then the partial pressure of O2 is —
192
G 282
H 366
J 563
F
Trial
Measured
Volume (L)
1
5.20
2
5.20
3
5.19
4
5.20
5
5.20
ArtCodes
CY01F517.AR1
47
mmHg 墍
mmHg
mmHg
mmHg
2185641
CY04C706
墍
C
L
Bonding between two elements of
equal electronegativity would be —
2048091
100% covalent 墍
B primarily ionic
C 50% ionic
D metallic in character
A
This data reflects —
low precision and low accuracy
B low precision and high accuracy
C low accuracy and high precision 墍
D high accuracy and high precision
A
48
The molar mass (gram formula mass)
for the compound sodium thiosulfate,
Na2S2O3, is —
CY03D203
墍
C
2048014
CY03C110
71 grams
G 153 grams
H 158 grams 墍
J 254 grams
F
2006 Commonwealth of Virginia Department of Education
11
墍
C
SESSION: 35 PAGE: 12 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
49
The correct formula for copper (I)
bromide is —
50
Which of the following models a
synthesis reaction?
2048188
CY03E509
墍
2047953
CY03A519
墌
C
L
CuBr 墍
B CuBr2
C Cu2Br
D Cu2Br3
A
2+
Cu
Fe
+
Fe
O 2–
F
C
2+
S
O
O
S
O
O (aq)
(s)
O 2–
O +
Cu
O (aq)
(s)
ArtCodes
2+
G
O
Ca
O
C
2–
2+
Ca
CY03E509.AR1
CY03E509.AR2
CY03E509.AR3
CY03E509.AR4
2–
O
O
+
O C
O
(g)
(s)
(s)
H
S
+
(s)
O
O
O S
(g)
Ag
J
O 1–
+
N
O
O
(aq)
2006 Commonwealth of Virginia Department of Education
12
墍
(g)
1+
1+
O
K
1+
1–
Cl
Ag
1+
1–
K
+
Cl
(aq)
(s)
O 1–
N
O
O
(aq)
SESSION: 35 PAGE: 13 1/13/06 6:41 LOGIN IS-garyo PATH: @sunultra1/raid/CLS_tpc/GRP_va_sprg06/JOB_06-ribsg11/DIV_g11chem-1
Answer Key
Test
Sequence
Correct
Answer
Reporting
Category
Reporting Category Description
1
B
002
Atomic Structure and Periodic Relationships
2
J
003
Nomenclature, Chemical Formulas, and Reactions
3
B
004
Molar Relationships
4
J
005
Phases of Matter and Kinetic Molecular Theory
5
A
001
Scientific Investigation
6
H
003
Nomenclature, Chemical Formulas, and Reactions
7
C
002
Atomic Structure and Periodic Relationships
8
H
003
Nomenclature, Chemical Formulas, and Reactions
Atomic Structure and Periodic Relationships
9
A
002
10
G
001
Scientific Investigation
11
B
002
Atomic Structure and Periodic Relationships
12
H
001
Scientific Investigation
13
C
003
Nomenclature, Chemical Formulas, and Reactions
14
J
001
Scientific Investigation
15
A
004
Molar Relationships
16
H
003
Nomenclature, Chemical Formulas, and Reactions
17
D
005
Phases of Matter and Kinetic Molecular Theory
18
G
004
Molar Relationships
19
A
004
Molar Relationships
20
F
002
Atomic Structure and Periodic Relationships
21
A
005
Phases of Matter and Kinetic Molecular Theory
22
J
002
Atomic Structure and Periodic Relationships
23
D
003
Nomenclature, Chemical Formulas, and Reactions
24
J
001
Scientific Investigation
25
D
002
Atomic Structure and Periodic Relationships
26
F
001
Scientific Investigation
27
D
002
Atomic Structure and Periodic Relationships
28
F
005
Phases of Matter and Kinetic Molecular Theory
29
B
004
Molar Relationships
30
H
004
Molar Relationships
31
C
003
Nomenclature, Chemical Formulas, and Reactions
32
G
005
Phases of Matter and Kinetic Molecular Theory
33
B
004
Molar Relationships
34
G
005
Phases of Matter and Kinetic Molecular Theory
35
A
001
Scientific Investigation
36
G
003
Nomenclature, Chemical Formulas, and Reactions
37
D
005
Phases of Matter and Kinetic Molecular Theory
38
J
003
Nomenclature, Chemical Formulas, and Reactions
39
B
004
Molar Relationships
40
F
003
Nomenclature, Chemical Formulas, and Reactions
41
D
003
Nomenclature, Chemical Formulas, and Reactions
42
G
001
Scientific Investigation
43
A
003
Nomenclature, Chemical Formulas, and Reactions
44
F
001
Scientific Investigation
45
C
001
Scientific Investigation
46
F
005
Phases of Matter and Kinetic Molecular Theory
47
A
003
Nomenclature, Chemical Formulas, and Reactions
48
H
003
Nomenclature, Chemical Formulas, and Reactions
49
A
003
Nomenclature, Chemical Formulas, and Reactions
50
H
003
Nomenclature, Chemical Formulas, and Reactions