Upload
walter-walters
View
220
Download
2
Embed Size (px)
Citation preview
© 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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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?
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
Which of the following numbers has four significant figures?
a) 0.003
b) 0.7180
c) 0.10251
d) 0.508
© 2014 Pearson Education, Inc.
Which of the following numbers has four significant figures?
a) 0.003
b) 0.7180
c) 0.10251
d) 0.508
© 2014 Pearson Education, Inc.
Calculate the following with the correct number of significant figures.
a) 2
b) 1.4
c) 2.2
d) 1.36
e) 2.23
© 2014 Pearson Education, Inc.
Calculate the following with the correct number of significant figures.
a) 2
b) 1.4
c) 2.2
d) 1.36
e) 2.23
© 2014 Pearson Education, Inc.
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.
© 2014 Pearson Education, Inc.
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.
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2014 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
A. observations.B. models.C. laws.D. experiments.E. guesses.
Theories are validated by
© 2015 Pearson Education, Inc.
A. observations.B. models.C. laws.D. experiments.E. guesses.
Theories are validated by
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
A. ObservationB. Scientific methodC. Scientific lawD. Scientific theoryE. Hypothesis
Which term best fits the following definition: “A theory before it has become well established”?
© 2015 Pearson Education, Inc.
A. ObservationB. Scientific methodC. Scientific lawD. Scientific theoryE. Hypothesis
Which term best fits the following definition: “A theory before it has become well established”?
© 2015 Pearson Education, Inc.
A. WaterB. SugarC. Light D. GasolineE. Sand
Which of the following would NOT be considered matter?
© 2015 Pearson Education, Inc.
A. WaterB. SugarC. Light D. GasolineE. Sand
Which of the following would NOT be considered matter?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
A. Lead B. Salt C. CarD. ChairE. All of the above
Which of the following can be classified as matter?
© 2015 Pearson Education, Inc.
A. Lead B. Salt C. CarD. ChairE. All of the above
Which of the following can be classified as matter?
© 2015 Pearson Education, Inc.
A. Dalton B. LavoisierC. Proust D. RutherfordE. Aristotle
Which one of the following scientists stated and studied the Law of Conservation of Mass?
© 2015 Pearson Education, Inc.
A. Dalton B. LavoisierC. Proust D. RutherfordE. Aristotle
Which one of the following scientists stated and studied the Law of Conservation of Mass?
© 2015 Pearson Education, Inc.
A. DaltonB. LavoisierC. ProustD. RutherfordE. Aristotle
Which scientist proposed that all matter was composed of small, indestructible particles called atoms?
© 2015 Pearson Education, Inc.
A. DaltonB. LavoisierC. ProustD. RutherfordE. Aristotle
Which scientist proposed that all matter was composed of small, indestructible particles called atoms?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
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?
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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 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
© 2015 Pearson Education, Inc.
Which of the following is a scientific law?
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 flame, heat, smoke,
and ash.D. At absolute zero, the motion of all atoms stops.E. None of the above
© 2015 Pearson Education, Inc.
Which of the following is a scientific law?
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 flame, heat, smoke,
and ash.D. At absolute zero, the motion of all atoms stops.E. None of the above
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
Convert 3.23 × 103 to decimal notation.
A. 3.23
B. 32.3
C. 323
D. 0.00323
E. 3230
© 2015 Pearson Education, Inc.
Convert 3.23 × 103 to decimal notation.
A. 3.23
B. 32.3
C. 323
D. 0.00323
E. 3230
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
What is the result of the following problem expressed in scientific notation with the correct number of significant figures?
(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
© 2015 Pearson Education, Inc.
What is the result of the following problem expressed in scientific notation with the correct number of significant figures?
(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
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
Which digit(s) is/are certain in the measurement of 98.6 °F?
A. 98
B. 98.6
C. 6
D. 8
E. 9
© 2015 Pearson Education, Inc.
Which digit(s) is/are certain in the measurement of 98.6 °F?
A. 98
B. 98.6
C. 6
D. 8
E. 9
© 2015 Pearson Education, Inc.
How many significant figures are in 0.00500670?
A. 3
B. 5
C. 6
D. 8
E. 9
© 2015 Pearson Education, Inc.
How many significant figures are in 0.00500670?
A. 3
B. 5
C. 6
D. 8
E. 9
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
What is the metric prefix for the factor 10−9?
A. centi-
B. nano-
C. pico-
D. milli-
E. micro-
© 2015 Pearson Education, Inc.
What is the metric prefix for the factor 10−9?
• centi-
• nano-
• pico-
• milli-
• micro-
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
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.
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
How many significant figures are in 1.0800?
A. 3
B. 4
C. 2
D. 5
E. None of the above
© 2015 Pearson Education, Inc.
How many significant figures are in 1.0800?
A. 3
B. 4
C. 2
D. 5
E. None of the above
© 2015 Pearson Education, Inc.
What is the meaning of the metric prefix micro-?
A. 10−6
B. 10−9
C. 103
D. 106
E. 10−2
© 2015 Pearson Education, Inc.
What is the meaning of the metric prefix micro-?
A. 10−6
B. 10−9
C. 103
D. 106
E. 10−2
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
How many cubic feet are in 1.2 yd3?
A. 3.6 yd3
B. 32 yd3
C. 0.40 yd3
D. 2.4 yd3
E. None of the above
© 2015 Pearson Education, Inc.
How many cubic feet are in 1.2 yd3?
A. 3.6 yd3
B. 32 yd3
C. 0.40 yd3
D. 2.4 yd3
E. None of the above
© 2015 Pearson Education, Inc.
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
© 2015 Pearson Education, Inc.
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