TESTBANK for Chemistry: The Central Science, 11th edition (Brown)
Chemistry, 11e (Brown)
Chapter 1: Introduction: Matter and Measurement
Multiple
... [Show More] 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
C) homogeneous mixture D) compound
E) mixture of elements Answer: D
Diff: 4 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
Guru
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
1
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
C) pound
Guru
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
D) troy ounce
E) none of the above Answer: A
Diff: 1 Page Ref:Sec. 1.4
10) A one degree of temperature difference is the smallest on the __________ temperature scale. A) Kelvin
B) Celsius
C) Fahrenheit
D) Kelvin and Celsius
E) Fahrenheit and Celsius Answer: C
Diff: 3 Page Ref:Sec. 1.4
2
12) The unit of force in the English measurement system is 1b • ft . The SI unit of force is the Newton, which is s2
__________ in base SI units. A) g•cm
s2 B) kg•m
hr2 C) kg•m
s2 D) g•m
s2 E) g•cm
s Answer: C
Diff: 4 Page Ref:Sec. 1.4
s B) kg•m
hr C) g•m
s
D) g•km
s
E) kg•km
13) Momentum is defined as the product of mass and velocity. The SI unit for momentum is __________? A) kg•m
hr Answer:
Diff: 4
14) The A) K
B) °C C) °F D) t
E) T Answer: Diff: 2
15) The A) 103 B) 138 C) 166 D) 248 E) 298 Answer: Diff: 1
Guru
SI unit of temperature is __________.
A
Page Ref:Sec. 1.4
temperature of 25°C is __________ in Kelvins.
E
Page Ref:Sec. 1.4
A
Page Ref:Sec. 1.4
3
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
Guru
20) 1 picometer = __________ centimeters
10 A) 1 × 10
B) 1 × 10−10 C)1× 108 D) 1 × 10−8
E) 1 × 10−12
Answer: B
Diff: 2 Page Ref:Sec. 1.4
21) 1 kilogram = __________ milligrams
A) 1 × 10−6
B) 1,000
C) 10,000
D) 1,000,000
E) none of the above Answer: D
Diff: 2 Page Ref:Sec. 1.4
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
4
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
Guru
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
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
5
27) A certain liquid has a density of 2.67 g/cm3 . 1340 g of this liquid would occupy a volume of __________ L.
A) 1.99 × 10−3 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
A) 6.75 × 10−3 B) 3.45
C) 148
30) 3.337 g/cm3 = __________ kg/cm3
A) 3.337 × 10−9
B) 3.337 × 10−5
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
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.
D) 6.75 × 103
E) 34.5
Answer: B
Diff: 3 Page Ref:Sec. 1.4
Guru
6
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
A) 2.40 × 104
3 34) One side of a cube measures 1.55 m. The volume of this cube is __________ cm .
B) 3.72 × 106
C) 2.40
D) 3.72
E) 155
Answer: B
Diff: 4 Page Ref:Sec. 1.4
Guru
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
7
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
Guru
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
39) (0.002843)(12.80184) = __________ 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 [Show Less]