What is the physical state in which matter has a specific volume but
does not have a specific shape?

A) gas

B) solid

C)
liquid

D) salts

E) ice

C

The law of constant composition applies to ________.

A)
solutions

B) heterogeneous mixtures

C) compounds

D)
homogeneous mixtures

E) solids

C

A combination of sand, salt, and water is an example of a
________.

A) homogeneous mixture

B) heterogeneous
mixture

C) compound

D) pure substance

E) solid

B

A small amount of salt dissolved in water is an example of a
________.

A) homogeneous mixture

B) heterogeneous
mixture

C) compound

D) pure substance

E) solid

B

Which one of the following has the element name and symbol correctly
matched?

A) S, sodium

B) Tn, tin

C) Fe, iron

D) N,
neon

E) B, bromine

C

Which one of the following elements is identified by the chemical
symbol, Al?

A) tin

B) aluminum

C) mercury

D)
copper

E) lead

B

Which one of the following is often separated into its components by
simple techniques such as filtering or decanting?

A)
heterogeneous mixture

B) compounds

C) homogeneous
mixture

D) elements

E) solutions

A

Which states of matter are significantly compressible?

A) gases
only

B) liquids only

C) solids only

D) liquids and
gases

E) solids and liquids

A

For which of the following, can the composition vary?

A) pure
substance

B) element

C) both homogeneous and heterogeneous
mixtures

D) homogeneous mixture

E) heterogeneous mixture

C

If matter is uniform throughout and cannot be separated into other
substances by physical means, it is ________.

A) a
compound

B) either an element or a compound

C) a homogeneous
mixture

D) a heterogeneous mixture

E) an element

B

An element cannot ________.

A) be part of a heterogeneous
mixture

B) be part of a homogeneous mixture

C) be separated
into other substances by chemical means

D) interact with other
elements to form compounds

E) be a pure substance

C

Homogeneous mixtures are also known as ________.

A)
solids

B) compounds

C) elements

D) substances

E)
solutions

Answer: E

E

The law of constant composition says ________.

A) that the
composition of a compound is always the same

B) that all
substances have the same composition

C) that the composition of
an element is always the same

D) that the composition of a
homogeneous mixture is always the same

E) that the composition of
a heterogeneous mixture is always the same

A

Which of the following is an illustration of the law of constant
composition?

A) Water boils at 100 °C at 1 atm pressure.

B)
Water is 11% hydrogen and 89% oxygen by mass.

C) Water can be
separated into other substances by a chemical process.

D) Water
and salt have different boiling points.

E) Water is a compound.

B

In the following list, only ________ is not an example of a chemical
reaction.

A) dissolution of a penny in nitric acid

B) the
condensation of water vapor

C) a burning candle

D) the
formation of polyethylene from ethylene

E) the rusting of iron

B

Gases and liquids share the property of ________.

A)
compressibility

B) definite volume

C)
incompressibility

D) indefinite shape

E) definite shape

D

Of the following, only ________ is a chemical reaction.

A)
melting of lead

B) dissolving sugar in water

C) tarnishing
of silver

D) crushing of stone

E) dropping a penny into a
glass of water

C

Which one of the following is not an intensive property?

A)
density

B) temperature

C) melting point

D) mass

E)
boiling point

D

Which one of the following is an intensive property?

A)
mass

B) temperature

C) length

D) volume

E) amount

B

Of the following, only ________ is an extensive property.

A)
density

B) volume

C) boiling point

D) freezing
point

E) temperature

B

Which of the following are chemical processes?

1. rusting of a
nail

2. freezing of water

3. decomposition of water into
hydrogen and oxygen gases

4. compression of oxygen gas

A)
2, 3, 4

B) 1, 3, 4

C) 1, 3

D) 1, 2

E) 1, 4

C

In the following list, only ________ is not an example of a chemical
reaction.

A) burning a plastic water bottle

B) the
production of hydrogen gas from water

C) the tarnishing of a
copper penny

D) chopping a log into sawdust

E) charging a
cellular phone

D

Of the following, ________ is the largest mass.

A) 25 kg

B)
2.5 × 10^{-2} mg

C) 2.5 × 10^{15} pg

D) 2.5
× 10^{9} fg

E) 2.5 × 10^{10} ng

A

Which one of the following is the highest temperature?

A) 38
°C

B) 96 °F

C) 302 K

D) none of the above

E) the
freezing point of water

A

Which of the following is (are) the lowest temperature?

A) The
freezing point of water

B) 5 °C

C) 30 °F

D) 280
K

E) A and D

C

Which one of the following is true about the liter?

A) It is the
SI base unit for volume.

B) It is equivalent to a cubic
decimeter.

C) It is slightly smaller than a quart.

D) It
contains 10^{6} cubic centimeters.

E) It is slightly
smaller than a gallon.

B

Which of the items below would be considered the most dense?

A)
a piece of wood with a volume of 2.5 L and a mass of 12.5 kg

B) a
ball with a volume of 139 mL and a mass of 93 g

C) a tire with a
volume of 2.12 L and a mass of 4.22 × 10^{4} mg

D) a wire
with a volume of 3.91 × 10^{-7} L and a mass of 7.93 ×
10^{-1} ng

E) a block of metal with a volume of 1350 mL
and a mass of 1.29 × 10^{3} g

A

Which calculation clearly shows a conversion between temperatures in
degrees Celsius, °C, and temperature in Kelvins, K?

A) K = °C +
273.15

B) K = 273.15 - °C

C) K = [°C - 32] / 1.8

D) K =
[°C + 32] × 1.8

E) K = °C

A

You have to calculate the mass of a 30.0 mL liquid sample with
density of 1.52 g/mL, but you have forgotten the formula. Which way of
reasoning would help you in finding the correct mass?

A) If 1 mL
of a liquid has the mass of 1.52 g, then 30.0 mL has the mass of
________ g.

B) If 1.52 mL of a liquid has the mass of 1 g, then
30.0 mL has the mass of ________ g.

A

You have to calculate the volume of a gas sample with mass of 1.000 ×
10^{3} g and density of 1.027 g/L, but you have forgotten the
formula. Which way of reasoning would help you in finding the correct
mass?

A) If 1.027 g of a gas takes up a volume of 1 L, then 1.000
× 10^{3} g of the same gas takes up a volume of
________.

B) If 1.027 L of gas has a mass of 1 g, then ________ L
has the mass of 1.000 × 10^{3} g.

A

Osmium has a density of 22.6 g/cm^{3}. What volume (in
cm^{3}) would be occupied by a 21.8 g sample of
osmium?

A) 0.965

B) 1.04

C) 493

D) 2.03 ×
10^{-3}

E) 2.03 × 10^{3}

A

Iron has a density of 7.9 g/cm^{3}. What is the mass of a
cube of iron with the length of one side equal to 55.0 mm?

A) 2.1
× 10^{4} g

B) 4.3 × 10^{2} g

C) 1.3 ×
10^{3} g

D) 1.4 g

E) 2.3 × 10^{-2} g

C

Precision refers to ________.

A) how close a measured number is
to other measured numbers

B) how close a measured number is to
the true value

C) how close a measured number is to the
calculated value

D) how close a measured number is to
zero

E) how close a measured number is to infinity

A

Accuracy refers to ________.

A) how close a measured number is
to zero

B) how close a measured number is to the calculated
value

C) how close a measured number is to other measured
numbers

D) how close a measured number is to the true
value

E) how close a measured number is to infinity

D

Which of the following has the same number of significant figures as
the number 1.00310?

A) 1 × 10^{6}

B)
199.791

C) 8.66

D) 5.119

E) 11.762

B

Acceleration due to gravity of a free-falling object is 9.8
m/s^{2}. Express this in
millimeters/millisecond^{2}.

A) 9.8 × 10^{-9}

B) 9.8 × 10^{3}

C) 9.8 × 10^{-6}

D)
9.8

E) 9.8 × 10^{-3}

E

If an object is accelerating at a rate of 25 m/s^{2}, how
long (in seconds) will it take to reach a speed of 550 m/s? (Assume an
initial velocity of zero.)

A) 22

B) 1.4 × 10^{4}

C) 0.045

D) 1.2 × 10^{4}

E) 2.3 × 10^{2}

A

If an object is traveling at a speed of 400 m/s, how long (in hours)
will it take to reach 950.5 km?

A) 3.96 × 10^{-2}

B) 7.01 × 10^{-6}

C) 1.43 × 10^{5}

D) 39.6

E) 6.34

D

A wooden object has a mass of 10.782 g and occupies a volume of 13.72
mL. What is the density of the object determined to an appropriate
number of significant figures?

A) 8 × 10^{-1}
g/mL

B) 7.9 × 10^{-1} g/mL

C) 7.86 × 10^{-1}
g/mL

D) 7.859 × 10^{-1} g/mL

E) 7.8586 ×
10^{-1} g/mL

D

Expressing a number in scientific notation ________.

A) changes
its value

B) removes ambiguity as to the significant
figures

C) removes significant zeros

D) allows an increase
in the number's precision

E) all of the above

B

The number with the most significant zeros is ________.

A)
0.00002510

B) 0.02500001

C) 250000001

D) 2.501 ×
10^{-7}

E) 2.5100000

C

How many significant figures should be retained in the result of the following calculation?

12.00000 × 0.9893 + 13.00335 × 0.0107

A) 2

B) 3

C)
4

D) 5

E) 6

C

In which one of the following numbers are all of the zeros
significant?

A) 100.090090

B) 0.143290

C)
0.0010

D) 0.0001

E) 0.1

A

Which of the following is not an exact
number?

A) the number of seconds in a year

B) the number of
millimeters in a kilometer

C) the number of liters in a
gallon

D) the number of centimeters in an inch

E) the number
of grams in a kilogram

C

Round the number 0.007222 to three significant figures.

A)
0.007

B) 0.00722

C) 0.0072

D) 0.00723

E) 0.007225

B

Round the number 3456.5 to two significant figures.

A)
3400.0

B) 3400

C) 3000

D) 3500

E) 3000.0

D

Convert 1 cm^{3} to Å^{3}.

A) 10^{24}

B) 10^{-24}

C) 10^{30}

D)
10^{-30}

E) 10^{-9}

A

Solids have a ________ shape and are ________.

A) definite,
compressible

B) definite, incompressible

C) indefinite,
compressible

D) indefinite, incompressible

E) sharp, convertible

B

________ is the chemical symbol for elemental sodium.

A)
S

B) W

C) So

D) Na

E) Sn

D

If matter is uniform throughout and cannot be separated into other
substances by physical processes, but can be decomposed into other
substances by chemical processes, it is called a(n) ________.

A)
heterogeneous mixture

B) element

C) homogeneous
mixture

D) compound

E) mixture of elements

D

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.

C

The initial or tentative explanation of an observation is called a(n)
________.

A) law

B) theory

C) hypothesis

D)
experiment

E) test

C

A statement or mathematical equation which is based on repeated
observations is called a(n) ________.

A) law

B)
theory

C) hypothesis

D) experiment

E) test

A

The SI unit for mass is ________.

A) kilogram

B)
gram

C) pound

D) troy ounce

E) none of the above

A

A difference in one degree of temperature is the smallest on the
________ temperature scale.

A) Kelvin

B) Celsius

C)
Fahrenheit

D) Kelvin and Celsius

E) Fahrenheit and
Celsius

Answer: C

C

________ is the abbreviation for the prefix mega-.

A) k

B)
m

C) M

D) n

E) d

C

________ is the abbreviation for the prefix milli-.

A) k

B)
m

C) M

D) n

E) d

B

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

D

The density of a gold nugget is 19.3 g/cm3. If the volume of the gold
nugget is 0.00369 L, the mass of the nugget is ________ g.

A)
71.2

B) 0.191

C) 19.3

D) 5.23

E) none of the above

A

The length of the side of a cube having a density of 12.6 g/ml and a
mass of 7.65 g is ________ cm.

A) 0.607

B) 0.847

C)
1.18

D) 1.65

E) 4.58

B

The unit of force in the English measurement system is
lb·ft/s^{2}. The SI unit of force is the Newton, which is
________ in base SI units.

A) g·cm/s^{2}

B) kg·m/hr^{2}

C)
kg·m/s^{2}

D) g·m/s^{2}

E) g·cm/s

C

The SI unit for momentum is ________.

A) kg·m/s

B) kg·m/hr

C) g·m/s

D) g·km/s

E) kg·km/hr

A

The SI unit of temperature is ________.

A) K

B) °C

C)
°F

D) t

E) T

A

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

C

A temperature of ________ K is the same as 63 °F.

A) 17

B)
276

C) 290

D) 29

E) 336

C

1 nanometer = ________ picometers

A) 1000

B) 0.001

C)
1 × 10^{-6}

D) 1 × 10^{6}

E) 10

A

1 picometer = ________ centimeters

A) 1 × 10^{10}

B) 1 × 10^{-10}

C) 1 × 10^{8}

D) 1
× 10^{-8}

E) 1 × 10^{-12}

B

1 kilogram = ________ milligrams

A) 1 × 10^{-6}

B) 1,000

C) 10,000

D) 1,000,000

E) none of the above

D

"Absolute zero" refers to ________.

A) 0
Kelvin

B) 0° Fahrenheit

C) 0° Celsius

D) °C + 9/5(°F -
32)

E) 273.15 °C

A

The density (in g/cm^{3}) of a gold nugget that has a volume
of 1.68 cm^{3} and a mass of 32.4 g is ________.

A)
0.0519

B) 19.3

C) 54.4

D) 0.0184

E) 32.4

B

A certain liquid has a density of 2.67 g/cm^{3}. 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

E

A certain liquid has a density of 2.67 g/cm^{3}. 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

D

Osmium has a density of 22.6 g/cm^{3}. The mass of a block of
osmium that measures 1.01 cm × 0.233 cm × 0.648 cm is ________
g.

A) 6.75 × 10^{-3}

B) 3.45

C) 148

D)
6.75 × 10^{3}

E) 34.5

B

3.337 g/cm^{3} = ________ kg/m^{3}

A) 3.337 ×
10^{-9}

B) 3.337 × 10^{-5}

C)
3337

D) 0.3337

E) 333.7

C

What is the volume in cm^{3} of a perfect cube if one edge
length measures 1.95 m?

A) 3.80 × 10^{6}

B) 7.41 ×
10^{6}

C) 3.80

D) 7.41

E) 195

B

A cube has a volume of 856 mL. What would be the length of one edge
(in cm)?

A) 856

B) 9.49

C) 94.9

D) 9.49 ×
10^{-2}

E) 29.3

B

45 m/s = ________ km/hr

A) 2.7

B) 0.045

C) 1.6 ×
10^{2}

D) 2.7 × 10^{3}

E) 1.6 × 10^{5}

C

A baseball is thrown at a velocity of 98.4 miles per hour. What is
the speed in m/s?

A) 1.59 × 10^{5}

B) 5.72 ×
10^{8}

C) 2.65 × 10^{3}

D) 44.1

E)
2.21 × 10^{2}

D

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

A

The correct answer (reported to the proper number of significant figures) to the following is ________.

(2.01)(6.936) / 12 = ________

A) 1.1618

B) 1.2

C)
1.16

D) 1.162

B

The correct answer (reported to the proper number of significant figures) to the following is ________.

12.75 × 1.3621 = ________

A) 17.367

B) 17.40

C)
17.37

D) 17.4

E) 17.0

C

(12.67 + 19.2)(3.99) / (1.36 + 11.366) = ________

A)
9.99851

B) 9.9985

C) 9.999

D) 1.00 × 10^{1}

E) none of the above

D

The number 1.00430 has ________ significant figures.

A)
2

B) 3

C) 5

D) 6

E) 4

Answer: D

D

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

A

The correct result (indicating the proper number of significant figures) of the following problem is ________.

(0.002843)(12.80184)/0.00032

A) 113.73635

B) 113.736

C) 113.74

D) 113.7

E)
1.1 × 10^{2}

E

The correct result (indicating the proper number of significant
figures) of the following calculation of the molecular mass
forH_{2}SO_{4} is ________.

4 × 15.9994 + 32.066 + 2 × 1.0079

A) 98.08

B) 98.079

C) 98.074

D) 98.838

E) 98.84

B

The volume of a regular cylinder is V =πr^{2}h. What is the
volume (cm^{3}) of a cylinder of radius 2.34 cm and height
19.91 cm expressed to the correct number of significant
figures?

A) 342.49471

B) 342.495

C) 342.49

D)
343

E) 342

E

There are ________ significant figures in the answer to the following computation:

(29.2 - 20.0)(1.79 x 10^{5})/1.39

A) 1

B) 2

C) 3

D) 4

E) 5

B

There should be ________ significant figures in the answer to the following computation.

(10.07 + 7.395)/2.5

A) 1

B) 2

C) 3

D) 4

E) 5

B

________ significant figures should be retained in the result of the following calculation.

(11.13 - 2.6) x (3.8 x 10^{4})/(103.05 + 16.9) x (1.2 x 10^{-6})

A) 1

B) 2

C) 3

D) 4

E) 5

B

The density of a 167.4 g sample of magnesium having a volume of 96.32
mL is ________ g/cm^{3}.

A) 0.5754

B) 16120

C)
3.625

D) 25.26

E) 1.738

E

A 210. lbs person is required to take a medication at a dose of 5.00
mg per kg of body weight twice a day. How much medication would the
person take in a 24 hour period? (Indicate the number in proper
scientific notation with the appropriate number of significant
figures.)

A) 2.10 × 10^{3}

B) 1.05 ×
10^{3}

C) 4.77 × 10^{2}

D) 9.55 ×
10^{2}

E) 9.55 × 10^{1}

D

The density of mercury is 13.6 ^{g/cm3.} The density of
mercury is ________ kg/m^{3}.

A) 1.36 × 10^{-2}

B) 1.36 × 10^{4}

C) 1.36 × 10^{8}

D) 1.36 × 10^{-5}

E) 1.36 × 10^{-4}

B

The distance from the Earth to the Moon is approximately 240,000
miles. If a rocket travels at a speed of 7.50 km/sec, it will take
________ days to travel between the Earth and Moon.

A)
0.60

B) 6.0

C) 0.23

D) 33.5

E) 5.6

A

1.55 kg/m^{3} is equivalent to ________ g/L.

A) 1.55 ×
10^{-3}

B) 1.55 × 10^{3}

C) 1.55 ×
10^{-6}

D) 1.55 × 10^{6}

E) 1.55

E

An iron mine produces 2.18 × 10^{5} US tons of raw ore on a
daily basis which contains 21.47% elemental iron. How many pounds of
elemental iron would the mine produce over a span of one year? (Assume
the mine operates 365 days per year.) (1 US ton = 2000 lbs.)

A)
1.59 × 10^{11}

B) 7.96 × 10^{7}

C) 3.42 ×
10^{10}

D) 1.71 × 10^{7}

E) 4.68 × 10^{4}

C

A 4.369 g sample of metal is placed in a flask. Water is added to the
flask and the total volume in the flask is read to be 126.4 ml. The
mass of the water, flask, and metal is 268.5 g. If the mass of the
flask is 139.3 g and the density of water is 1.000 g/mL, the density
of the solid is ________ g/cm^{3}.

A) 0.366

B)
1.56

C) 0.641

D) 2.78

E) 3.21

D

The quantity 1.0 mg/cm^{2} is the same as 1.0 × ________
kg/m^{2}.

A) 10^{-4}

B) 10^{2}

C) 10^{-6}

D) 10^{-2}

E) 10^{4}

D

A rectangular water tank is 14.5 cm long and 4.63 cm wide. If 368.5 g
of water completely fills the tank, the height of the tank is ________
cm. (Assume the density of water is 1.000 g/ml.)

A) 0.182

B)
5.49

C) 24700

D) 29.1

E) 165

B

There are ________ ng in a pg.

A) 0.001

B) 1000

C)
0.01

D) 100

E) 10

A

One edge of a cube is measured and found to be 13 cm. The volume of
the cube in m^{3} is ________.

A) 2.2 × 10^{-3}

B) 2.2 × 10^{-6}

C) 2.2

D) 2.2 ×
10^{3}

E) 2.2 × 10^{6}

A

The density of lead is 11.4 g/cm3. The mass of a lead ball with a
radius of 0.50 mm is ________ g. (V_{sphere} =
4πr^{3}/3)

A) 6.0

B) 4.6 × 10-2

C) 4.6 ×
10-5

D) 6.0 × 10-3

E) 4.6

D

In the following list, only ________ is not an example of
matter.

A) book

B) heat

C) flower

D) mouse

E) neon

B

The symbol for the element platinum is ________.

A) K

B)
P

C) Pt

D) S

E) Ca

C

The element hydrogen has the symbol ________.

A) H

B)
He

C) K

D) B

E) Ar

A

Which one of the following has the element name and symbol correctly
matched?

A) Ne, nitrogen

B) Si, sulfur

C) Ca,
carbon

D) Be, beryllium

E) None of the symbols are correctly
matched to the element name.

D

Which one of the following is a pure substance?

A) tap
water

B) rock

C) air

D) elemental oxygen

E) apple

D

The symbol for the element neon is ________.

A) Rb

B)
Si

C) Mg

D) Mn

E) Ne

E

The symbol for the element sodium is ________.

A) Me

B)
Hg

C) Sn

D) Na

E) Pb

D

Express the temperature, 275.18 K, in degrees Celsius.

A) 548.33
°C

B) 274.17 °C

C) 2.03 °C

D) 120.88 °C

E) 22.78 °C

C

The temperature of 25 °C is ________ in Kelvins.

A) 103

B)
138

C) 166

D) 248

E) 298

E

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 ________ cm^{3}, then
the sphere will sink in liquid mercury (density = 13.6
g/cm^{3}).

A) 0.723

B) 1.38

C) 134

D)
7.48

E) none of the above

A

What decimal power does the abbreviation d represent?

A) 1 ×
10^{-2}

B) 10

C) 1 × 10^{-9}

D) 1 ×
10^{-1}

E) 1 × 10^{3}

D

An object measuring 25.0 inches will have a length of ________
centimeters.

A) 63.5

B) 9.84

C) 0.0158

D)
0.102

E) 2.54

A

An object measuring 0.4500 kilograms will have a mass of ________
grams.

A) 450.0

B) 0.0004500

C) 45.00

D)
4.500

E) 2222

A

An object measuring 77 milliliters will have a volume of ________
liters.

A) 0.077

B) 77000

C) 13

D) 7700

E) 770

A

An object measuring 0.76 decimeters will have a length of ________
centimeters.

A) 7.6

B) 0.076

C) 0.0076

D)
1100

E) 0.00076

A

The prefix giga is represented by the following notation
________.

A) 1 × 10^{-1}

B) 1 × 10^{-3}

C) 1 × 10^{-9}

D) 1 × 10^{9}

E) 1 × 10^{3}

D

A temperature of 290. K is the same as ________ °F.

A)
63

B) 81

C) 260

D) 711

E) 351

A

A temperature of 10.00 °C is the same as ________ °F.

A)
50.00

B) 32.18

C) -12.22

D) 283.15

E) -263.15

A

A temperature of 100. °F is the same as ________ °C.

A)
38

B) 212

C) 700.

D) 373

E) -173

A

A temperature of 55.0 °F is the same as ________ °C.

A)
12.8

B) 131.0

C) 32.0

D) 328.2

E) -218.2

A

Which of the following mass measurements is the smallest?

A) 78
kg

B) 78 mg

C) 78 pg

D) 78 fg

E) 78 ng

D

Which of the following mass measurements is the largest?

A)
123.20 Mg

B) 123.20 dg

C) 123.20 g

D) 123.20 Tg

E)
123.20 Gg

D

What is the volume (in cm^{3}) of a 36.7 g piece of metal
with a density of 6.95 g/cm^{3}?

A) 5.28

B)
255

C) 0.189

D) 6.34

E) 1.74

A

The density of silver is 10.5 g/cm^{3}. A piece of silver
with a mass of 61.3 g would occupy a volume of ________
cm^{3}.

A) 0.171

B) 644

C) 10.5

D)
0.00155

E) 5.84

E

A cube of an unknown metal measures 0.250 cm on one side. The mass of the cube is 0.095 g. Which of the following is most likely the unknown metal?

Metal/Density (g/cm^{3})

rhodium/12.4

copper/8.96

niobium/8.57

vanadium/6.11

zirconium/6.51

A) zirconium

B) rhodium

C) vanadium

D)
copper

E) niobium

C

Gold has a density of 0.01932 kg/cm^{3}. What volume (in
cm^{3}) would be occupied by a 22.2 g sample of gold?

A)
0.429

B) 0.870

C) 0.000429

D) 16.81

E) 1.15

E

Gold has a density of 0.01932 kg/cm^{3}. What is the mass (in
kg) of a 92.5 cm^{3} sample of gold?

A) 1.79

B)
0.560

C) 92.5

D) 0.000209

E) 4790

A

The density of silver is 10.5 g/cm^{3}. A piece of silver
that occupies a volume of 42.5 cm^{3} would have a mass of
________ g.

A) 446

B) 0.247

C) 7.64

D)
4.05

E) 23.6

A

7.3 × 4.68 = ________

34

(1501-1496) × (9.18 × 3.68) = ________

200

If an object weighs 38.325 lbs, what would be the mass in grams? (2.20 lbs = 1 kg)

17400

Which of the following has the same number of significant figures as
the number 0.0050?

A) 0.9

B) 4.0

C) 1.00

D)
601

E) 99.000

B

How many Significant Figures does the number 0.005000 have?

A)
4

B) 5

C) 1

D) 2

E) 3

A

The number 0.0101 has ________ significant figures.

A) 2

B)
3

C) 5

D) 4

E) 6

B

In which one of the following numbers are none of the zeros
significant?

A) 10.0

B) 103

C) 161.00

D)
0.00050

E) 0.009

E

Round the number 0.00637 to two significant figures.

A)
0.0064

B) 0.006

C) 0.00637

D) 0.0

E) 0.0063700

A

How many significant figures are in the number 30.80?

A)
3

B) 4

C) 0

D) 1

E) 2

B

How many significant figures are in the measurement 5000 g?

A)
4

B) 2

C) 3

D) 1

E) 5

D

The number with the most significant zeros is ________.

A)
0.08

B) 0.00090

C) 90.300

D) 0.008001

E) 591

C

What would be the volume of a box that measures 1.12 m × 1.00 m× 0.69
m?

A) 0.772800

B) 0.77

C) 0.773

D) 0.7728

E) 0.77280

B

The estimated costs for remodeling the interior of an apartment are:
three 1-gallon cans of paint at $15.44 each, two paint brushes at
$12.22 each, and $145 for a helper. The total estimated cost with the
appropriate significant figures is

A) 215.76

B) 2.2 ×
10^{2}

C) 216

D) 2 × 10^{2}

E) 215.8

C

Round the following number to four significant figures and express
the result in standard exponential notation: 0.00222755

A) 0.2228
× 10^{-2}

B) 0.002228

C) 2.228 × 10^{3}

D) 2.228 × 10^{-3}

E) 22.28 × 10^{2}

D

The quantity ________ m is the same as 4 km.

A) 4000

B)
400

C) 0.004

D) 0.04

E) 40

A

How many liters of wine can be held in a wine barrel whose capacity
is 30.0 gal?

A) 1.26 × 10^{-4}

B) 0.126

C)
114

D) 7.93 × 10^{3}

E) 7.93

C

The recommended adult dose of Elixophyllin, a drug used to treat
asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams
for a 134-lb person.

A) 10.1

B) 1773

C) 13.2

D)
365

E) 3.6 × 10^{5}

D

The density of air under ordinary conditions at 25 °C is 1.19 g/L.
How many kilograms of air are in a room that measures 9.0ft x 11.0ft
and has an 10.0 ft ceiling?

A) 2.99

B) 0.124

C) 3.34 ×
104

D) 0.0644

E) 33.4

E

Which of the following liquids has the greatest density?

A)
13cm^{3} with a mass of 23 g

B) 3.5cm^{3} with a
mass of 10 g

C) 0.022cm^{3} with a mass of 0.10 g

D)
54cm^{3} with a mass of 45 g

E) 210cm^{3} with a
mass of 12 g

C

An inert atmosphere was obtained by adding nitrogen in a room that measures 11.0ft x 11.0ft and has a 8.00 ft ceiling. How many liters of nitrogen were used to fill the room?

1 in. = 2.54cm (exactly); 1L = 10^{3}cm^{3}

A) 2.74 × 10^{4}

B) 102

C) 29.5

D) 2.95 ×
10^{7}

E) 9.14 × 10^{5}

A

Gases do not have a fixed ________ as they are able to be ________.

volume, compressed

The symbol for the element phosphorus is ________.

P

Sn is the symbol for the element ________.

Tin

Si is the symbol for the element ________.

Silicon

Cu is the symbol for the element ________.

Copper

Mass and volume are often referred to as ________ properties of substances.

extensive

1 milligram = ________ micrograms

1,000

1.035 × 10^{-4} L = ________ mL

0.1035

Water is considered to be a diatomic molecule because it is composed of two different atoms

false

A scientific law is a concise statement or an equation that summarizes a broad variety of observations.

true

3.2 cm^{3} = 0.0032 L

true

Temperature is a physical property that determines the direction of heat flow.

true

There are 6 significant figures in the number 0.003702.

false