Question 1

Which one of the following is most likely to be a homogeneous mixture?

Accepted Answer

A)  soil 
B)  blood 
C)  gasoline 
D)  mortar (a mixture of calcium carbonate and sand) 
E)  plain yogurt 
A)  soil 
B)  blood 
C)  gasoline 
D)  mortar (a mixture of calcium carbonate and sand) 
E)  plain yogurt C

Question 2

An intensive property of a substance is

Accepted Answer

A)  independent of the amount present. 
B)  dependent on its volume,but not its mass. 
C)  not affected by its temperature. 
D)  dependent only on its temperature. 
E)  dependent only on its mass and volume. 
A)  independent of the amount present. 
B)  dependent on its volume,but not its mass. 
C)  not affected by its temperature. 
D)  dependent only on its temperature. 
E)  dependent only on its mass and volume. A

Question 3

Which of following would be classified as a chemical change?

Accepted Answer

A)  the transformation of solid carbon dioxide into gaseous carbon dioxide 
B)  the freezing of diesel fuel 
C)  the condensation of nitrogen gas 
D)  the removal of a color stain using bleach 
E)  the evaporation of water 
A)  the transformation of solid carbon dioxide into gaseous carbon dioxide 
B)  the freezing of diesel fuel 
C)  the condensation of nitrogen gas 
D)  the removal of a color stain using bleach 
E)  the evaporation of water D

Question 4

A mass of 10 g of table salt dissolves in water to form a(n)________ mixture (i.e.,a mixture that is uniform throughout).

Accepted Answer

The answer of A mass of 10 g of table...

Question 5

A number of the heaviest elements on the periodic table are named for famous scientists.Element number 101 was most likely named for which famous scientist?

Accepted Answer

A)  Alfred Nobel 
B)  Nicolaus Copernicus 
C)  Glen Seaborg 
D)  Dmitri Mendeleev 
E)  Marie Curie 
A)  Alfred Nobel 
B)  Nicolaus Copernicus 
C)  Glen Seaborg 
D)  Dmitri Mendeleev 
E)  Marie Curie

Question 6

What is the name of the element with the symbol B?

Accepted Answer

A)  barium 
B)  beryllium 
C)  bismuth 
D)  boron 
E)  bromine 
A)  barium 
B)  beryllium 
C)  bismuth 
D)  boron 
E)  bromine

Question 7

The law of ________ states that the total energy of the universe is constant.

Accepted Answer

conservati

Question 8

Density is an example of a(n)_____ property and does not depend on the amount of a substance.

Accepted Answer

The answer of Density is an example of a(n)_____ property...

Question 9

Which one of the following substances is classified as a molecular element?

Accepted Answer

A)  I2 
B)  NO 
C)  KCl 
D)  C6H12O6 
E)  CO 
A)  I2 
B)  NO 
C)  KCl 
D)  C6H12O6 
E)  CO

Question 10

Properties,such as color and density,which can be observed or measured without changing the composition of a substance are called ________ properties.

Accepted Answer

The answer of Properties,such as color and density,which can be...

Question 11

Which one of the following statements is not a comparison of physical properties?

Accepted Answer

A)  Mercury and gallium are both liquids at 50 °C. 
B)  Oxygen is more soluble in water than helium. 
C)  Silver and gold are malleable metals. 
D)  Oxygen and nitrogen are both liquids at -200 °C. 
E)  Calcium reacts more quickly than iron in acids. 
A)  Mercury and gallium are both liquids at 50 °C. 
B)  Oxygen is more soluble in water than helium. 
C)  Silver and gold are malleable metals. 
D)  Oxygen and nitrogen are both liquids at -200 °C. 
E)  Calcium reacts more quickly than iron in acids.

Question 12

Which of the following is an example of qualitative information about a substance?

Accepted Answer

A)  Color of the substance 
B)  Melting temperature of the substance 
C)  Mass of the substance 
D)  Volume of the substance 
E)  Boiling temperature of the substance 
A)  Color of the substance 
B)  Melting temperature of the substance 
C)  Mass of the substance 
D)  Volume of the substance 
E)  Boiling temperature of the substance

Question 13

All of the following are examples of intensive properties of matter except _____.

Accepted Answer

A)  boiling point 
B)  thermal conductivity 
C)  malleability 
D)  the amount of energy transferred as heat 
E)  color 
A)  boiling point 
B)  thermal conductivity 
C)  malleability 
D)  the amount of energy transferred as heat 
E)  color

Question 14

What is the name of the element with the symbol Cr?

Accepted Answer

A)  cerium 
B)  carbon 
C)  chromium 
D)  cadmium 
E)  chlorine 
A)  cerium 
B)  carbon 
C)  chromium 
D)  cadmium 
E)  chlorine

Question 15

Potential energy possessed by water at the top of a waterfall is known as ________ energy.

Accepted Answer

The answer of Potential energy possessed by water at the...

Question 16

Which of the following lists contains only forms of kinetic energy?

Accepted Answer

A)  electrostatic,gravitational,and mechanical energy 
B)  gravitational,mechanical,and electrical energy 
C)  thermal,acoustic,and mechanical energy 
D)  chemical,thermal,and acoustic energy 
E)  gravitational,chemical,and electrostatic energy 
A)  electrostatic,gravitational,and mechanical energy 
B)  gravitational,mechanical,and electrical energy 
C)  thermal,acoustic,and mechanical energy 
D)  chemical,thermal,and acoustic energy 
E)  gravitational,chemical,and electrostatic energy

Question 17

________ energy is the energy associated with the separation of two electrical charges.

Accepted Answer

The answer of ________ energy is the energy associated with...

Question 18

Which of the following is not a mixture?

Accepted Answer

A)  sea shells 
B)  ice cream 
C)  gasoline 
D)  wine 
E)  diamond 
A)  sea shells 
B)  ice cream 
C)  gasoline 
D)  wine 
E)  diamond

Question 19

To ensure integrity in science,experimental results should be ________ and reported in sufficient detail that the experiment can be repeated by others.

Accepted Answer

The answer of To ensure integrity in science,experimental results should...

Question 20

Which of the following statements concerning green chemistry is not correct?

Accepted Answer

A)  It is better to prevent waste than to treat or clean up waste after it is formed. 
B)  Synthetic methods should be designed to use and generate substances that possess little or no toxicity to human health or the environment. 
C)  Substances used in a chemical process should pose minimal risk for accidents. 
D)  Raw materials should be renewable whenever technically and economically practical. 
E)  Chemical syntheses should be done at extremely high temperatures to ensure harmful bacteria are destroyed. 
A)  It is better to prevent waste than to treat or clean up waste after it is formed. 
B)  Synthetic methods should be designed to use and generate substances that possess little or no toxicity to human health or the environment. 
C)  Substances used in a chemical process should pose minimal risk for accidents. 
D)  Raw materials should be renewable whenever technically and economically practical. 
E)  Chemical syntheses should be done at extremely high temperatures to ensure harmful bacteria are destroyed.

Exam 1: Basic Concepts of Chemistry

Which one of the following is most likely to be a homogeneous mixture?

An intensive property of a substance is

Which of following would be classified as a chemical change?

A mass of 10 g of table salt dissolves in water to form a(n)________ mixture (i.e.,a mixture that is uniform throughout).

A number of the heaviest elements on the periodic table are named for famous scientists.Element number 101 was most likely named for which famous scientist?

What is the name of the element with the symbol B?

The law of ________ states that the total energy of the universe is constant.

Density is an example of a(n)_____ property and does not depend on the amount of a substance.

Which one of the following substances is classified as a molecular element?

Properties,such as color and density,which can be observed or measured without changing the composition of a substance are called ________ properties.

Which one of the following statements is not a comparison of physical properties?

Which of the following is an example of qualitative information about a substance?

All of the following are examples of intensive properties of matter except _____.

What is the name of the element with the symbol Cr?

Potential energy possessed by water at the top of a waterfall is known as ________ energy.

Which of the following lists contains only forms of kinetic energy?

________ energy is the energy associated with the separation of two electrical charges.

Which of the following is not a mixture?

To ensure integrity in science,experimental results should be ________ and reported in sufficient detail that the experiment can be repeated by others.

Which of the following statements concerning green chemistry is not correct?

Lets Review: The Tools of Quantitative Chemistry

Atoms, molecules, and Ions

Chemical Reactions

Stoichiometry: Quantitative Information About Chemical Reactions

Principles of Chemical Reactivity: Energy and Chemical Reactions

The Structure of Atoms

The Structure of Atoms and Periodic Trends

Bonding and Molecular Structure

Bonding and Molecular Structure Orbital Hybridization and Molecular Orbitals

Gases and Their Properties

Intermolecular Forces and Liquids

The Solid State

Solutions and Their Behavior

Chemical Kinetics: the Rates of Chemical Reactions

Principles of Chemical Reactivity: Equilibria

Principles of Chemical Reactivity: the Chemistry of Acids and Bases

Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria

Principles of Chemical Reactivity: Entropy and Free Energy

Principles of Chemical Reactivity: Electron Transfer Reactions

Environmental Chemistry: Earths Environment, energy, and Sustainability

The Chemistry of the Main Group Elements

The Chemistry of the Transition Elements

Carbon: Not Just Another Element

Biochemistry

Nuclear Chemistry

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