Question 1

Which statement about relative humidity is false?

Accepted Answer

A)  ratio of actual partial pressure of water to its equilibrium partial pressure 
B)  rises when the temperature increases and the actual partial pressure of water is constant 
C)  reaches 100% at the dew point 
D)  indicates the level of water vapor in the atmosphere 
E)  the actual partial pressure of water can equal the equilibrium partial pressure 
A)  ratio of actual partial pressure of water to its equilibrium partial pressure 
B)  rises when the temperature increases and the actual partial pressure of water is constant 
C)  reaches 100% at the dew point 
D)  indicates the level of water vapor in the atmosphere 
E)  the actual partial pressure of water can equal the equilibrium partial pressure

Question 2

According to band theory, a good conductor is a material which has a(n) ____ valence band, a(n) ____ conduction band, and ____ between them.

Accepted Answer

A)  partially filled; partially filled; a wide gap 
B)  partially filled; empty; a narrow gap 
C)  partially filled; empty; no gap 
D)  completely filled; completely filled; a wide gap 
E)  empty; partially filled; a narrow gap 
A)  partially filled; partially filled; a wide gap 
B)  partially filled; empty; a narrow gap 
C)  partially filled; empty; no gap 
D)  completely filled; completely filled; a wide gap 
E)  empty; partially filled; a narrow gap

Question 3

When water is measured in a plastic graduated cylinder, a reverse meniscus is observed because

Accepted Answer

A)  the hydrogen bonds between water molecules are greater than the attractions between the water molecules and the walls of the container. 
B)  the viscosity of the water is greater than the viscosity of the plastic. 
C)  surface tension of the water prevents it from "beading up" inside the container. 
D)  the molecules of water are forced closer together because of London forces. 
E)  the attractive forces between the water molecules and the walls of the container are greater than the attractive forces between the water molecules. 
A)  the hydrogen bonds between water molecules are greater than the attractions between the water molecules and the walls of the container. 
B)  the viscosity of the water is greater than the viscosity of the plastic. 
C)  surface tension of the water prevents it from "beading up" inside the container. 
D)  the molecules of water are forced closer together because of London forces. 
E)  the attractive forces between the water molecules and the walls of the container are greater than the attractive forces between the water molecules.

Question 4

The normal boiling point of a liquid on a vapor pressure curve is found

Accepted Answer

A)  at the point where the temperature is equal to the pressure. 
B)  at any point where the pressure is less than 760 mm Hg. 
C)  at the point where the temperature line crosses the 760 mm Hg line. 
D)  in the region below the curve. 
E)  in the region above the curve. 
A)  at the point where the temperature is equal to the pressure. 
B)  at any point where the pressure is less than 760 mm Hg. 
C)  at the point where the temperature line crosses the 760 mm Hg line. 
D)  in the region below the curve. 
E)  in the region above the curve.

Question 5

Volatility is the

Accepted Answer

A)  temperature at which the equilibrium vapor pressure of a liquid is exactly equal to the atmospheric pressure. 
B)  odor of a substance. 
C)  temperature at which a gas can be converted into a liquid at atmospheric pressure. 
D)  tendency of molecules of a gas to move closer together when the pressure is increased. 
E)  tendency of a liquid to vaporize. 
A)  temperature at which the equilibrium vapor pressure of a liquid is exactly equal to the atmospheric pressure. 
B)  odor of a substance. 
C)  temperature at which a gas can be converted into a liquid at atmospheric pressure. 
D)  tendency of molecules of a gas to move closer together when the pressure is increased. 
E)  tendency of a liquid to vaporize.

Question 6

According to band theory, a semiconductor is a material which has a(n) ____ valence band, a(n) ____ conduction band, and ____ between them.

Accepted Answer

A)  completely filled; completely filled; a wide gap 
B)  empty; partially filled; a narrow gap 
C)  partially filled; partially filled; a wide gap 
D)  partially filled; empty; a narrow gap 
E)  partially filled; empty; no gap 
A)  completely filled; completely filled; a wide gap 
B)  empty; partially filled; a narrow gap 
C)  partially filled; partially filled; a wide gap 
D)  partially filled; empty; a narrow gap 
E)  partially filled; empty; no gap

Which statement about relative humidity is false?

According to band theory, a good conductor is a material which has a(n) valence band, a(n) conduction band, and between them.

When water is measured in a plastic graduated cylinder, a reverse meniscus is observed because

The normal boiling point of a liquid on a vapor pressure curve is found

Volatility is the

According to band theory, a semiconductor is a material which has a(n) valence band, a(n) conduction band, and between them.

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

Exam 11: Liquids, Solids, and Materials

Which statement about relative humidity is false?

According to band theory, a good conductor is a material which has a(n) ____ valence band, a(n) ____ conduction band, and ____ between them.

When water is measured in a plastic graduated cylinder, a reverse meniscus is observed because

The normal boiling point of a liquid on a vapor pressure curve is found

Volatility is the

According to band theory, a semiconductor is a material which has a(n) ____ valence band, a(n) ____ conduction band, and ____ between them.

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Electron Configurations and the Periodic Table

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

According to band theory, a good conductor is a material which has a(n) valence band, a(n) conduction band, and between them.

According to band theory, a semiconductor is a material which has a(n) valence band, a(n) conduction band, and between them.