Question 1

Which states of matter are significantly compressible?

Accepted Answer

A)  solids and liquids 
B)  liquids only 
C)  solids only 
D)  gases only 
E)  liquids and gases 
A)  solids and liquids 
B)  liquids only 
C)  solids only 
D)  gases only 
E)  liquids and gases

Question 2

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

Accepted Answer

A)  the formation of polyethylene from ethylene 
B)  dissolution of a penny in nitric acid 
C)  a burning candle 
D)  the rusting of iron 
E)  the condensation of water vapor 
A)  the formation of polyethylene from ethylene 
B)  dissolution of a penny in nitric acid 
C)  a burning candle 
D)  the rusting of iron 
E)  the condensation of water vapor

Question 3

The number with the most significant zeros is .

Accepted Answer

A)  250000001 
B)  0.02500001 
C)  2.501 × 10- 7 
D)  0.00002510 
E)  2.5100000 
A)  250000001 
B)  0.02500001 
C)  2.501 × 10- 7 
D)  0.00002510 
E)  2.5100000

Question 4

Which one of the following is a pure substance?

Accepted Answer

A)  wood 
B)  concrete 
C)  salt water 
D)  milk 
E)  elemental copper 
A)  wood 
B)  concrete 
C)  salt water 
D)  milk 
E)  elemental copper

Question 5

1 kilogram = _ milligrams

Accepted Answer

A)  1,000 
B)  1 × 10- 6 
C)  10,000 
D)  1,000,000 
E)  none of the above 
A)  1,000 
B)  1 × 10- 6 
C)  10,000 
D)  1,000,000 
E)  none of the above

Question 6

Accuracy refers to _ _.

Accepted Answer

A)  how close a measured number is to other measured numbers 
B)  how close a measured number is to zero 
C)  how close a measured number is to infinity 
D)  how close a measured number is to the calculated value 
E)  how close a measured number is to the true value 
A)  how close a measured number is to other measured numbers 
B)  how close a measured number is to zero 
C)  how close a measured number is to infinity 
D)  how close a measured number is to the calculated value 
E)  how close a measured number is to the true value

Question 7

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

Accepted Answer

A)  homogeneous mixture 
B)  elements 
C)  solutions 
D)  compounds 
E)  heterogeneous mixture 
A)  homogeneous mixture 
B)  elements 
C)  solutions 
D)  compounds 
E)  heterogeneous mixture

Question 8

The symbol for the element phosphorous is _.

Accepted Answer

The answer of The symbol for the element phosphorous is...

Question 9

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

Accepted Answer

A)  5.119 
B)  1 × 106  
C)  199.791 
D)  100 
E)  8.66 
A)  5.119 
B)  1 × 106  
C)  199.791 
D)  100 
E)  8.66

Question 10

The number 1.00430 has significant figures.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 11

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

Accepted Answer

A)  table salt 
B)  dust 
C)  planets 
D)  light 
E)  elemental phosphorus 
A)  table salt 
B)  dust 
C)  planets 
D)  light 
E)  elemental phosphorus

Question 12

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

Accepted Answer

A)  0.1000 
B)  100.090090 
C)  0.143290 
D)  00.0030020 
E)  0.05843 
A)  0.1000 
B)  100.090090 
C)  0.143290 
D)  00.0030020 
E)  0.05843

Question 13

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?

Accepted Answer

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 
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

Question 14

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

Accepted Answer

A)  P, potassium 
B)  Sn, silicon 
C)  Mg, manganese 
D)  Ag, silver 
E)  C, copper 
A)  P, potassium 
B)  Sn, silicon 
C)  Mg, manganese 
D)  Ag, silver 
E)  C, copper

Question 15

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

Accepted Answer

A)  Kelvin 
B)  Celsius 
C)  Kelvin and Celsius 
D)  Fahrenheit and Celsius 
E)  Fahrenheit 
A)  Kelvin 
B)  Celsius 
C)  Kelvin and Celsius 
D)  Fahrenheit and Celsius 
E)  Fahrenheit

Question 16

The output of a plant is 4335 pounds of ball bearings per week (five days). If each ball bearing weighs 0.0113 g, how many ball bearings does the plant make in a single day? (Indicate the number in proper scientific notation with the appropriate number of significant figures.

Accepted Answer

A)  2.91 × 106  
B)  867 
C)  3.48 × 107  
D)  3.84 × 105  
E)  7.67 × 104 
A)  2.91 × 106  
B)  867 
C)  3.48 × 107  
D)  3.84 × 105  
E)  7.67 × 104

Question 17

One side of a cube measures 1.55 m. The volume of this cube is cm3.

Accepted Answer

A)  2.40 × 104  
B)  2.40 
C)  3.72 × 106  
D)  3.72 
E)  155 
A)  2.40 × 104  
B)  2.40 
C)  3.72 × 106  
D)  3.72 
E)  155

Question 18

How many significant figures should be retained in the result of the following calculation?
12.00000 × 0.9893 + 13.00335 × 0.0107

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6 
A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 19

Acceleration due to gravity of a free- falling object is 9.8 m/s2. Express this in millimeters/millisecond2.

Accepted Answer

A)  9.8 × 10- 6  
B)  9.8 × 106  
C)  9.8 × 10- 9  
D)  9.8 × 10- 3  
E)  9.8 × 103 
A)  9.8 × 10- 6  
B)  9.8 × 106  
C)  9.8 × 10- 9  
D)  9.8 × 10- 3  
E)  9.8 × 103

Question 20

The density of mercury is 13.6 g/cm3. The density of mercury is kg/m3.

Accepted Answer

A)  1.36 × 10- 5 
B)  1.36 × 104 
C)  1.36 × 10- 4 
D)  1.36 × 108 
E)  1.36 × 10- 2 
A)  1.36 × 10- 5 
B)  1.36 × 104 
C)  1.36 × 10- 4 
D)  1.36 × 108 
E)  1.36 × 10- 2

Exam 1: Introduction: Matter and Measurement

Which states of matter are significantly compressible?

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

The number with the most significant zeros is .

Which one of the following is a pure substance?

1 kilogram = _ milligrams

Accuracy refers to _ _.

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

The symbol for the element phosphorous is _.

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

The number 1.00430 has significant figures.

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

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

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?

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

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

The output of a plant is 4335 pounds of ball bearings per week (five days). If each ball bearing weighs 0.0113 g, how many ball bearings does the plant make in a single day? (Indicate the number in proper scientific notation with the appropriate number of significant figures.

One side of a cube measures 1.55 m. The volume of this cube is cm3.

How many significant figures should be retained in the result of the following calculation? 12.00000 × 0.9893 + 13.00335 × 0.0107

Acceleration due to gravity of a free- falling object is 9.8 m/s2. Express this in millimeters/millisecond2.

The density of mercury is 13.6 g/cm3. The density of mercury is kg/m3.

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

One side of a cube measures 1.55 m. The volume of this cube is cm³.

Acceleration due to gravity of a free- falling object is 9.8 m/s². Express this in millimeters/millisecond².

The density of mercury is 13.6 g/cm³. The density of mercury is kg/m³.