© 2014 Pearson Education, Inc. Which of the following is NOT a base unit? a)Meter b)Kilogram c)Liter d)Kelvin e)Ampere.

© 2014 Pearson Education, Inc.

Which of the following is NOT a base unit?

a) Meter

b) Kilogram

c) Liter

d) Kelvin

e) Ampere


Which of the following is NOT a base unit?

a) Meter

b) Kilogram

c) Liter

d) Kelvin

e) Ampere


What is the density of a solution that has a mass of13.5 g and a volume of 15.8 mL?

a) 1.17 g/mL

b) 0.213 g/mL

c) 4.69 g/mL

d) 0.854 g/mL


What is the density of a solution that has a mass of13.5 g and a volume of 15.8 mL?

a) 1.17 g/mL

b) 0.213 g/mL

c) 4.69 g/mL

d) 0.854 g/mL


Which of the following has the largest density?

a) A material that has a massof 10.0 g and a volume of2.00 L

b) A material that has a massof 5.00 g and a volume of10.0 cm3

c) A material that sinks inethanol but floats on water


Which of the following has the largest density?

a) A material that has a massof 10.0 g and a volume of2.00 L

b) A material that has a massof 5.00 g and a volume of10.0 cm3

c) A material that sinks inethanol but floats on water


a) 73 mL

b) 73.7 mL

c) 73.70 mL

d) 74 mL

e) 74.0

When reading a graduated cylinder, read the volume at the bottom of the meniscus.

What volume of liquid is in the graduated cylinder?


When reading a graduated cylinder, read the volume at the bottom of the meniscus.

What volume of liquid is in the graduated cylinder?

a) 73 mL

b) 73.7 mL

c) 73.70 mL

d) 74 mL

e) 74.0


Which of the following numbers has four significant figures?

a) 0.003

b) 0.7180

c) 0.10251

d) 0.508


Which of the following numbers has four significant figures?

a) 0.003

b) 0.7180

c) 0.10251

d) 0.508


Calculate the following with the correct number of significant figures.

a) 2

b) 1.4

c) 2.2

d) 1.36

e) 2.23


Calculate the following with the correct number of significant figures.

a) 2

b) 1.4

c) 2.2

d) 1.36

e) 2.23


A student measures the mass of a penny four times and records the following data. What can be said about the data if the actual mass of the penny is2.4987 g?

Trial

Number

Mass,

g

1 2.5104

2 2.5106

3 2.5102

4 2.5109

a) The data is both accurateand precise.

b) The data is neither accuratenor precise.

c) The data is accurate, but notprecise.

d) The data is not accurate, butit is precise.


A student measures the mass of a penny four times and records the following data. What can be said about the data if the actual mass of the penny is2.4987 g?

Trial

Number

Mass,

g

1 2.5104

2 2.5106

3 2.5102

4 2.5109

a) The data is both accurateand precise.

b) The data is neither accuratenor precise.

c) The data is accurate, but notprecise.

d) The data is not accurate, butit is precise.


How many ounces of mercury are in 1.0 cubic meters of mercury? Hint: the density of mercury is 13.55 g/cm3 and 1 ounce = 28.35g.

a) 6.5 × 106 ounces

b) 4.8 × 105 ounces

c) 5.2 × 104 ounces

d) 6.5 × 104 ounces

e) 48 ounces


How many ounces of mercury are in 1.0 cubic meters of mercury? Hint: the density of mercury is 13.55 g/cm3 and 1 ounce = 28.35g.

a) 6.5 × 106 ounces

b) 4.8 × 105 ounces

c) 5.2 × 104 ounces

d) 6.5 × 104 ounces

e) 48 ounces


A cube has an edge length of 6.4 in. What is the volume of the cube in cm3?

a) 4.3 × 103 cm3

b) 6.7 × 102 cm3

c) 16 cm3

d) 1.0 × 102 cm3


A cube has an edge length of 6.4 in. What is the volume of the cube in cm3?

a) 4.3 × 103 cm3

b) 6.7 × 102 cm3

c) 16 cm3

d) 1.0 × 102 cm3


Determine the mass of 2.5 cups of water if the density of water is 1.00 g/ cm3 and 1 cup = 240 mL.

a) 2.5 g

b) 6.0 × 102 g

c) 1.0 × 10–2 g

d) 2.4 × 102 g

e) 1.0 × 102 g


Determine the mass of 2.5 cups of water if the density of water is 1.00 g/ cm3 and 1 cup = 240 mL.

a) 2.5 g

b) 6.0 × 102 g

c) 1.0 × 10–2 g

d) 2.4 × 102 g

e) 1.0 × 102 g


A cube of aluminum (density = 2.70 g/mL) has a mass of 17.2 g. What is the edge length of the cube?

a) 6.34 cm

b) 1.85 cm

c) 2.58 cm

d) 3.59 cm


A cube of aluminum (density = 2.70 g/mL) has a mass of 17.2 g. What is the edge length of the cube?

a) 6.34 cm

b) 1.85 cm

c) 2.58 cm

d) 3.59 cm


A. observations.B. models.C. laws.D. experiments.E. guesses.

Theories are validated by


A. observations.B. models.C. laws.D. experiments.E. guesses.

Theories are validated by


A. scientific theory.B. scientific law.C. hypothesis.D. fact.E. experiment.

A brief statement that summarizes past observations and predicts future ones is called a


A. scientific theory.B. scientific law.C. hypothesis.D. fact.E. experiment.

A brief statement that summarizes past observations and predicts future ones is called a


A. observations and experimentation. B. facts and scientific laws.C. theories and opinions.D. hypotheses and models.E. None of the above

The scientific method emphasizes


A. observations and experimentation. B. facts and scientific laws.C. theories and opinions.D. hypotheses and models.E. None of the above

The scientific method emphasizes


A. ObservationB. Scientific methodC. Scientific lawD. Scientific theoryE. Hypothesis

Which term best fits the following definition: “A theory before it has become well established”?


A. ObservationB. Scientific methodC. Scientific lawD. Scientific theoryE. Hypothesis

Which term best fits the following definition: “A theory before it has become well established”?


A. WaterB. SugarC. Light D. GasolineE. Sand

Which of the following would NOT be considered matter?


A. WaterB. SugarC. Light D. GasolineE. Sand

Which of the following would NOT be considered matter?


A. Observe some aspect of nature.B. Develop a scientific hypothesis.C. Design a detailed experiment.D. Check the results in triplicate.E. Develop a scientific law to summarize observations.

What is the first step in the scientific method?


A. Observe some aspect of nature.B. Develop a scientific hypothesis.C. Design a detailed experiment.D. Check the results in triplicate.E. Develop a scientific law to summarize observations.

What is the first step in the scientific method?


A. All matter contains the same mass.B. Matter can be converted to less massive things.C. Matter can be converted to more massive things. D. Mass is neither created nor destroyed in a

chemical reaction.E. Mass can be either created or saved in a

chemical reaction.

Which of the following statements best describes the Law of Conservation of Mass?


A. All matter contains the same mass.B. Matter can be converted to less massive things.C. Matter can be converted to more massive things. D. Mass is neither created nor destroyed in a

chemical reaction.E. Mass can be either created or saved in a

chemical reaction.

Which of the following statements best describes the Law of Conservation of Mass?


A. Lead B. Salt C. CarD. ChairE. All of the above

Which of the following can be classified as matter?


A. Lead B. Salt C. CarD. ChairE. All of the above

Which of the following can be classified as matter?


A. Dalton B. LavoisierC. Proust D. RutherfordE. Aristotle

Which one of the following scientists stated and studied the Law of Conservation of Mass?


A. Dalton B. LavoisierC. Proust D. RutherfordE. Aristotle

Which one of the following scientists stated and studied the Law of Conservation of Mass?


A. DaltonB. LavoisierC. ProustD. RutherfordE. Aristotle

Which scientist proposed that all matter was composed of small, indestructible particles called atoms?


A. DaltonB. LavoisierC. ProustD. RutherfordE. Aristotle

Which scientist proposed that all matter was composed of small, indestructible particles called atoms?


A. The addition of battery acid to sugar results in the formation of a black substance and smoke.

B. Gases consist of molecules in constantrandom motion.

C. The burning of wood results in a flame, heat, smoke, and ash.

D. Copper metal conducts electricity.E. None of the above

Which of the following is an example of a scientific theory?


A. The addition of battery acid to sugar results in the formation of a black substance and smoke.

B. Gases consist of molecules in constantrandom motion.

C. The burning of wood results in a flame, heat, smoke, and ash.

D. Copper metal conducts electricity.E. None of the above

Which of the following is an example of a scientific theory?


Which of the following is an example of an observation?

A. Energy may be converted from one form to another, but the total quantity of energy remains constant.

B. Gases consist of molecules in constant random motion.

C. The burning of wood results in a light, heat,a gas, and a new solid.

D. A pure compound always contains definite or constant proportions of elements by mass.

E. None of the above


Which of the following is an example of an observation?


B. Gases consist of molecules in constant random motion.

C. The burning of wood results in light, heat,a gas, and a new solid.

D. A pure compound always contains definite or constant proportions of elements by mass.



Which of the following is a scientific law?


B. Gases consist of molecules in constant random motion.C. The burning of wood results in a flame, heat, smoke,

and ash.D. At absolute zero, the motion of all atoms stops.E. None of the above


Which of the following is a scientific law?


B. Gases consist of molecules in constant random motion.C. The burning of wood results in a flame, heat, smoke,

and ash.D. At absolute zero, the motion of all atoms stops.E. None of the above


Convert 0.000459 to scientific notation.

A. 4.59 × 104

B. 0.459 × 103

1. 4.59 × 10−3

2. 4.59 × 10−4

3. 4.59 × 10−5


Convert 0.000459 to scientific notation.

A. 4.59 × 104

B. 0.459 × 103

• 4.59 × 10−3

• 4.59 × 10−4

• 4.59 × 10−5


The number 5.43 × 10−6 L can also be written as

A. 5.43 kL.

B. 5.43 mL.

C. 5.43 µL.

D. 5.43 nL.

E. 5.43 pL.


The number 5.43 × 10−6 L can also be written as

A. 5.43 kL.

B. 5.43 mL.

C. 5.43 µL.

D. 5.43 nL.

E. 5.43 pL.


Convert 3.23 × 103 to decimal notation.

A. 3.23

B. 32.3

C. 323

D. 0.00323

E. 3230


Convert 3.23 × 103 to decimal notation.

A. 3.23

B. 32.3

C. 323

D. 0.00323

E. 3230


What is the result of the following problem expressed in scientific notation with the correct number of significant figures?

(6.05 × 106) ÷ (4.020 × 10−9) =

A.1.50 × 1015

B.1.51 × 1015

C.1.505 × 1015

D.2.43 × 10−2

E.1.51 × 103



(6.05 × 106) ÷ (4.020 × 10−9) =

A.1.50 × 1015

B.1.51 × 1015

C.1.505 × 1015

D.2.43 × 10−2

E.1.51 × 103



(6.051 × 106) ÷ (4.020 × 10−9) × (9.89 + 1.832) =

•2.08 × 10−3

•1.764 × 1016

•1.76 × 1016

•1.76 × 10−16

•1.764 × 10−16



(6.051 × 106) ÷ (4.020 × 10−9) × (9.89 + 1.832) =

•2.08 × 10−3

•1.764 × 1016

•1.76 × 1016

•1.76 × 10−16

•1.764 × 10−16


What is the result of the following problem expressed with the correct number of significant figures?

20.15 − 10.569 =

A.9.6

B.9.58

C.9.581

D.30.72

E.10.


What is the result of the following problem expressed with the correct number of significant figures?

20.15 − 10.569 =

A.9.6

B.9.58

C.9.581

D.30.72

E.10.


How many mL are in 45.1 cm3?

A. 0.00450 mL

B. 4.51 mL

C. 0.451 mL

D. 45.1 mL

E. 45100 mL


How many mL are in 45.1 cm3?

A. 0.00450 mL

B. 4.51 mL

C. 0.451 mL

D. 45.1 mL

E. 45100 mL


Convert 1.500 L to cm3.

A. 1.5 × 103 cm3

B. 1.500 cm3

C. 1.5 × 10−3 cm3

D. 1.500 × 103 cm3

E. 1.500 × 10−3 cm3


Convert 1.500 L to cm3.

A. 1.5 × 103 cm3

B. 1.500 cm3

C. 1.5 × 10−3 cm3

D. 1.500 × 103 cm3

E. 1.500 × 10−3 cm3


What are the two parts of a number written in scientific notation?

A.number and unit

B.decimal and exponential

C.decimal and unit

D.exponent and exponential


What are the two parts of a number written in scientific notation?

A.number and unit

B.decimal and exponential

C.decimal and unit

D.exponent and exponential


Why do scientists use scientific notation?

A. to confuse students

B. to write very large numbers simply

C. to write very small numbers simply

D. all of the above

E. two of the above


Why do scientists use scientific notation?

A. to confuse students

B. to write very large numbers simply

C. to write very small numbers simply

D. all of the above

E. two of the above


Which digit(s) is/are certain in the measurement of 98.6 °F?

A. 98

B. 98.6

C. 6

D. 8

E. 9


Which digit(s) is/are certain in the measurement of 98.6 °F?

A. 98

B. 98.6

C. 6

D. 8

E. 9


How many significant figures are in 0.00500670?

A. 3

B. 5

C. 6

D. 8

E. 9



A. 3

B. 5

C. 6

D. 8

E. 9


What are the fundamental SI units of length, mass, time, and temperature respectively?

A.km, kg, s, K

B.m, g, s, °C

C.m, g, s, K

D.m, kg, s, °C

E.m, kg, s, K


What are the fundamental SI units of length, mass, time, and temperature respectively?

A.km, kg, s, K

B.m, g, s, °C

C.m, g, s, K

D.m, kg, s, °C

E.m, kg, s, K


What is the metric prefix for the factor 10−9?

A. centi-

B. nano-

C. pico-

D. milli-

E. micro-


What is the metric prefix for the factor 10−9?

• centi-

• nano-

• pico-

• milli-

• micro-


Convert 155 ft2 to square centimeters.

• 4.72 × 103 cm2

• 3.46 × 103 cm2

• 2.23 × 107 cm2

• 1.44 × 105 cm2

• 1.67 × 10−1 cm2


Convert 155 ft2 to square centimeters.

• 4.72 × 103 cm2

• 3.46 × 103 cm2

• 2.23 × 107 cm2

• 1.44 × 105 cm2

• 1.67 × 10−1 cm2


What is the mass of a sample of lead that has a density of 11.4 g/mL and displaces 20.1 mL of water?

A.229 g

B.0.567 g

C.1.76 g

D.11.4 g

E.2.30 × 10−2 g


What is the mass of a sample of lead that has a density of 11.4 g/mL and displaces 20.1 mL of water?

A.229 g

B.0.567 g

C.1.76 g

D.11.4 g

E.2.30 × 10−2 g


What is the identity of an unknown object that has a mass of 1.08 kg and displaces 50.5 cm3 of water? (See Table 2.4)

A.copper

B.lead

C.gold

D.aluminum

E.platinum


What is the identity of an unknown object that has a mass of 1.08 kg and displaces 50.5 cm3 of water? (See Table 2.4)

A.copper

B.lead

C.gold

D.aluminum

E.platinum


Convert 1.500 km3 to liters.

A. 1.500 L

B. 1.500 × 106 L

C. 1.500 × 109 L

D. 1.500 × 102 L

E. 1.500 × 10−2 L


Convert 1.500 km3 to liters.

A. 1.500 L

B. 1.500 × 106 L

C. 1.500 × 109 L

D. 1.500 × 102 L

E. 1.500 × 10−2 L


Which of the following is a frequently used unit for the density of liquids and solids?

A.g/L

B.kg/L

C.g/mL

D.cm3/mL

E.g/m3


Which of the following is a frequently used unit for the density of liquids and solids?

A.g/L

B.kg/L

C.g/mL

D.cm3/mL

E.g/m3


What does the positive exponent tell you about the size of the number 6.022 × 1023?

A.It is less than one.

B.It is less than 6.022.

C.It is equal to zero.

D.It is greater than 1.

E.There is not enough information given for an answer.


What does the positive exponent tell you about the size of the number 6.022 × 1023?

A.It is less than one.

B.It is less than 6.022.

C.It is equal to zero.

D.It is greater than 1.

E.There is not enough information given for an answer.


In Australia, the highway speed limit is posted at 100. km/hr. What is this in mi/hr?

A.100. mi/hr

B.161 mi/hr

C.55.5 mi/hr

D.75.2 mi/hr

E.62.1 mi/hr


In Australia, the highway speed limit is posted at 100. km/hr. What is this in mi/hr?

A.100. mi/hr

B.161 mi/hr

C.55.5 mi/hr

D.75.2 mi/hr

E.62.1 mi/hr


The gas mileage of a compact car in Europe is 15 km/L. How many miles per gallon would this vehicle obtain in the United States?

(Note: 1 U.S. gal = 3.785 L

A.15 mi/gal

B.30. mi/gal

C.35 mi/gal

D.42 mi/gal

E.55 mi/gal


The gas mileage of a compact car in Europe is 15 km/L. How many miles per gallon would this vehicle obtain in the United States?

(Note: 1 U.S. gal = 3.785 L)

A.15 mi/gal

B.30. mi/gal

C.35 mi/gal

D.42 mi/gal

E.55 mi/gal


While driving in Australia, you fill your car with 55.0 L of gas costing $82.50 (Australian). What is the equivalent cost per gallon in U.S. dollars?

(Note: 1 gal = 3.785 L; $1 Australian = $0.7597 U.S.)

A.$0.301

B.$7.47

C.$3.99

D.$4.31

E.$2.76


While driving in Australia, you fill your car with 55.0 L of gas costing $82.50 (Australian). What is the equivalent cost per gallon in U.S. dollars?

(Note: 1 gal = 3.785 L; $1 Australian = $0.7597 U.S.)

A.$0.301

B.$7.47

C.$3.99

D.$4.31

E.$2.76


What are the two important parts of a measurement?

A. The number and the unit

B. The number and the exponent

C. The number and the decimal

D. The decimal and exponent


What are the two important parts of a measurement?

A. The number and the unit

B. The number and the exponent

C. The number and the decimal

D. The decimal and exponent



A. 3

B. 4

C. 2

D. 5




A. 3

B. 4

C. 2

D. 5



What is the meaning of the metric prefix micro-?

A. 10−6

B. 10−9

C. 103

D. 106

E. 10−2


What is the meaning of the metric prefix micro-?

A. 10−6

B. 10−9

C. 103

D. 106

E. 10−2


How many inches are in 16.3 cm?

A. 41.4 in

B. 6.4 in

C. 0.156 in

D. 6.42 in

E. 32.6 in


How many inches are in 16.3 cm?

A. 41.4 in

B. 6.4 in

C. 0.156 in

D. 6.42 in

E. 32.6 in


How many feet are in 0.4734 km?

A. 1.55 × 102 ft

B. 5.681 ft

C. 1.5531 × 103 ft

D. 0.155 ft

E. 1553 ft


How many feet are in 0.4734 km?

A. 1.55 × 102 ft

B. 5.681 ft

C. 1.5531 × 103 ft

D. 0.155 ft

E. 1553 ft


How many cubic feet are in 1.2 yd3?

A. 3.6 yd3

B. 32 yd3

C. 0.40 yd3

D. 2.4 yd3



How many cubic feet are in 1.2 yd3?

A. 3.6 yd3

B. 32 yd3

C. 0.40 yd3

D. 2.4 yd3



What is the volume in liters of 54.50 g of a liquid with a density of 0.9502 g/mL?

A.57.36 L

B.0.0574 L

C.5.736 × 10−2 L

D.0.574 L

E.573.6 L


What is the volume in liters of 54.50 g of a liquid with a density of 0.9502 g/mL?

A.57.36 L

B.0.0574 L

C.5.736 × 10−2 L

D.0.574 L

E.573.6 L

© 2014 Pearson Education, Inc. Which of the following is NOT a base unit? a)Meter b)Kilogram c)Liter d)Kelvin e)Ampere.

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