CHEMISTRY THE CENTRAL SCIENCE
1
, Table of Content
1. Introduction: Matter, Energy, and Measurement
2. Atoms, Molecules, and Ions
3. Chemical Reactions and Reaction Stoichiometry
4. Reactions in Aqueous Solution
5. Thermochemistry
6. Electronic Structure of Atoms
7. Periodic Properties of The Elements
8. Basic Concepts of Chemical Bonding
9. Molecular Geometry and Bonding Theories
10. Gases
11. Liquids and Intermolecular Forces
12. Solids and Modern Materials
13. Properties of Solutions
14. Chemical Kinetics
15. Chemical Equilibrium
16. Acid–base Equilibria
17. Aqueous Equilibria: Buffers, Titrations, and Solubility
18. Chemistry of the Environment
19. Chemical Thermodynamics
20. Electrochemistry
21. Nuclear Chemistry
22. Chemistry of the Nonmetals
23. Transition Metals and Coordination Chemistry
24. The Chemistry of Life: Organic and Biological Chemistry
2
,Chemistry, 15e (Brown)
Chapter 1: Introduction: Matter And Measurement
Multiple Choice And Bimodal
1) Solids Have A Shape And Are Not Appreciably .
A) Definite, Compressible
B) Definite, Incompressible
C) Indefinite, Compressible
D) Indefinite, Incompressible
E) Sharp,
Convertible
Answer: A
Diff: 1 Page Ref: Sec. 1.2
2) Is The Chemical Symbol For Elemental Sodium.
A) S
B) W
C) So
D) Na
E) Sn
Answer: D
Diff: 1 Page Ref: Sec. 1.2
3) If Matter Is Uniform Throughout, Cannot Be Separated Into Other Substances By Physical Processes, But
Can Be Decomposed Into Other Substances By Chemical Processes, It Is Called A (An) .
A) Heterogeneous Mixture
B) Element
C) Homogeneous Mixture
D) Compound
E) Mixture Of
Elements Answer: D
Diff: 4 Page Ref: Sec. 1.2
4) The Symbol For The Element Potassium Is .
A) Pt
B) P
C) K
D) S
E) Ca
Answer: C
Diff: 1 Page Ref:Sec. 1.2
5) The Symbol For The Element Magnesium Is .
A) Rb
B) Mn
C) Ne
D) Si
E) Mg
Answer: E
Diff: 1 Page Ref:Sec. 1.2
6) The Initial Or Tentative Explanation Of An Observation Is Called A(N) .
A) Law
B) Theory
C) Hypothesis
D) Experiment
E) Test
Answer:
C
Diff: 2 Page Ref:Sec. 1.3
3
,7) A Concise Verbal Statement Or Mathematical Equation That Summarizes A Broad Variety Of
Observations And Experiences Is Called A(N) .
A) Law
B) Theory
C) Hypothesis
D) Experiment
E) Test
Answer:
A
Diff: 2 Page Ref:Sec. 1.3
8) A Separation Process That Depends On Differing Abilities Of Substances To Form Gases Is Called .
A) Filtration
B) Solvation
C) Distillation
D) Chromatography
E) All Of The Above Are
Correct Answer: C
Diff: 3 Page Ref:Sec. 1.3
9) The SI Unit For Mass Is .
A) Kilogram
B) Gram
D) Troy Ounce
C) Pound
E) None Of The Above
Answer: A
Diff: 1 Page Ref:Sec. 1.4
10) A One Degree Of Temperature Difference Is The Smallest Temperature Scale.
On The
A) Kelvin
B) Celsius
C) Fahrenheit
D) Kelvin And Celsius
E) Fahrenheit And
Celsius Answer: C
Diff: 3 Page Ref:Sec. 1.4
11) A Common English Set Of Units For Expressing Velocity Is Miles/Hour. The SI Unit For Velocity Is ?
A) Km/Hr
B) Km/S
C) M/Hr
D) M/S
E) Cm/S
Answer:
D
Diff: 3 Page Ref:Sec. 1.4
4
, 1b • Ft
12) The Unit Of Force In The English Measurement System Is . The SI Unit Of Force Is The Newton, Which Is
S2
In Base SI
Units. G • Cm
A) S2
kg • m
B) hr2
Kg • m
C) s2
G•m
D) s2
g • cm
E) s
Answer: C
Diff: 4 Page Ref:Sec. 1.4
13) Momentum Is Defined As The Product Of Mass And Velocity. The SI Unit For Momentum Is ?
A) Kg S• M
B) Kg • M
Hr
C) G • M
S
D) G • Km
S
E) Kg • Km
Hr
Answer: A
Diff: 4 Page Ref:Sec. 1.4
14) The SI Unit Of Temperature Is .
A) K
B) °C
C) °F
D) T
E) T
Answer: A
Diff: 2 Page Ref:Sec. 1.4
15) The Temperature Of 25°C Is In Kelvins.
A) 103
B) 138
C) 166
D) 248
E) 298
Answer: E
Diff: 1 Page Ref:Sec. 1.4
5
,16) The Freezing Point Of Water At 1 Atm Pressure Is .
A) 0°F
B) 0 K
C) 0°C
D) -273°C
E) -32°F
Answer: C
Diff: 2 Page Ref:Sec. 1.4
17) A Temperature Of 400 K Is The Same As °F.
A) 261
B) 286
C) 88
D) 103
E) 127
Answer: A
Diff: 2 Page Ref:Sec. 1.4
18) A Temperature Of K Is The Same As 63°F.
A) 17
B) 276
C) 290
D) 29
E) 336
Answer: C
Diff: 2 Page Ref:Sec. 1.4
19) 1 Nanometer = Picometers
A) 1000
B) 0.1
C) 0.01
D) 1
E) 10
Answer: A
Diff: 2 Page Ref:Sec. 1.4
20) 1 Picometer = Centimeters
A) 1 × 1010
B) 1 × 1010
C) 1 × 108
D) 1 × 108
E) 1 × 1012
Answer: B
Diff: 2 Page Ref:Sec. 1.4
21) 1 Kilogram = Milligrams
A) 1 × 106
B) 1,000
C) 10,000
D) 1,000,000
E) None Of The
Above Answer: D
Diff: 2 Page Ref:Sec. 1.4
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,22) "Absolute Zero" Refers To .
A) 0 Kelvin
B) 0° Fahrenheit
C) 0° Celsius
D) °C + 9/5(°F - 32)
E) 273.15°C
Answer: A
Diff: 1 Page Ref:Sec. 1.4
23) An Object Will Sink In A Liquid If The Density Of The Object Is Greater Than That Of The Liquid. The Mass
Of A Sphere Is 9.83 G. If The Volume Of This Sphere Is Less Than Cm3 , Then The Sphere Will Sink In
Liquid Mercury (Density = 13.6 G/Cm3 ).
A) 0.723
B) 1.38
C) 134
D) 7.48
E) None Of The
Above Answer: A
Diff: 3 Page Ref:Sec. 1.4
24) The Density (In G/Cm3 ) Of A Gold Nugget That Has A Volume Of 1.68 Cm3 And A Mass Of 32.4 G Is .
A) 0.0519
B) 19.3
C) 54.4
D) 0.0184
E) 32.4
Answer: B
Diff: 1 Page Ref:Sec. 1.4
25) The Density Of Silver Is 10.5 G/Cm3 . A Piece Of Silver With A Mass Of 61.3 G Would Occupy A
Volume Of Cm3 .
A) 0.171
B) 644
C) 10.5
D) 0.00155
E) 5.84
Answer: E
Diff: 2 Page Ref:Sec. 1.4
26) The Density Of Silver Is 10.5 G/Cm3 . A Piece Of Silver That Occupies A Volume Of 23.6 Cm3
Would Have A Mass Of G.
A) 248
B) 0.445
C) 2.25
D) 112
E) 23.6
Answer: A
Diff: 2 Page Ref:Sec. 1.4
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,27) A Certain Liquid Has A Density Of 2.67 G/Cm3 . 1340 G Of This Liquid Would Occupy A Volume Of L.
3
A) 1.99 × 10
B) 50.2
C) 3.58
D) 35.8
E) 0.502
Answer: E
Diff: 2 Page Ref:Sec. 1.4
28) A Certain Liquid Has A Density Of 2.67 G/Cm3 . 30.5 Ml Of This Liquid Would Have A Mass Of Kg.
A) 81.4
B) 11.4
C) 0.0875
D) 0.0814
E) 0.0114
Answer: D
Diff: 2 Page Ref:Sec. 1.4
29) Osmium Has A Density Of 22.6 G/Cm3 . The Mass Of A Block Of Osmium That Measures
1.01 Cm × 0.233 Cm × 0.648 Cm Is G.
3
A) 6.75 × 10
B) 3.45
C) 148
D) 6.75 × 103
E) 34.5
Answer: B
Diff: 3 Page Ref:Sec. 1.4
30) 3.337 G/Cm3 = __________ Kg/Cm3
A) 3.337 × 109
B) 3.337 × 105
C) 3337
D) 0.3337
E) 333.7
Answer: C
Diff: 2 Page Ref:Sec. 1.4
31) The Number 0.00430 Has Significant Figures.
A) 2
B) 3
C) 5
D) 6
E) 4
Answer: B
Diff: 1 Page Ref:Sec. 1.4
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,32) The Number 1.00430 Has Significant Figures.
A) 2
B) 3
C) 5
D) 6
E) 4
Answer: D
Diff: 1 Page Ref:Sec. 1.4
33) The Correct Answer (Reported To The Proper Number Of Significant Figures) To The Following Is .
6.3 × 3.25 =
A) 20.
B) 20.475
C) 20.48
D) 20.5
E) 21
Answer: A
Diff: 2 Page Ref:Sec. 1.4
34) One Side Of A Cube Measures 1.55 M. The Volume Of This Cube Is Cm3 .
A) 2.40 × 104
B) 3.72 × 106
C) 2.40
D) 3.72
E) 155
Answer: B
Diff: 4 Page Ref:Sec. 1.4
35) The Length Of The Side Of A Cube (In Cm) Having A Volume Of 44.4 L Is .
A) 875
B) 35.4
C) 6.66
D) 66.6
E) 0.354
Answer: B
Diff: 4 Page Ref:Sec. 1.4
36) 45 M/S = Km/Hr
A) 2.7
B) 0.045
C) 1.6 × 102
D) 2.7 × 103
E) 1.6 × 105
Answer: C
Diff: 2 Page Ref:Sec. 1.4
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, 37) If An Object, Beginning At Rest, Is Moving At A Speed Of 700 M/S After 2.75 Min, Its Rate Of Acceleration
(In M/S2 ) Is . (Assume That The Rate Of Acceleration Is Constant.)
A) 1.6 × 105
B) 255
C) 193
D) 4.24
E) 1.53 × 104
Answer: D
Diff: 4 Page Ref:Sec. 1.4
38) The Correct Result (Indicating The Proper Number Of Significant Figures) Of The Following Addition Is .
12
1.2
0.12
+ 0.012
A) 13
B) 13.3
C) 13.33
D) 13.332
E) None Of The
Above Answer: A
Diff: 2 Page Ref:Sec. 1.5
(0.002843)(12.80184)
39) =
0.00032
A) 113.73635
B) 113.736
C) 113.74
D) 113.7
E) 1.1 × 102
Answer: E
Diff: 3 Page Ref:Sec. 1.5
40) The Correct Result Of The Molecular Mass Calculation For H2SO4 Is .
4 × 15.9994 + 32.066 + 2 × 1.0079
A) 98.08
B) 98.079
C) 98.074
D) 98.838
E) 98.84
Answer: B
Diff: 3 Page Ref:Sec. 1.5
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