Question 1

In an ionic compound such as NaCl, which consists of a fcc lattice of chloride ions, each sodium ion has ____ chloride ions surrounding it as nearest neighbors.

Accepted Answer

A)  8 
B)  6 
C)  4 
D)  1 
E)  0 
A)  8 
B)  6 
C)  4 
D)  1 
E)  0

Question 2

Which description of the properties of water is false?

Accepted Answer

A)  has hydrogen bonds and large enthalpy of vaporization 
B)  has covalent bonds and large enthalpy of fusion 
C)  has high specific heat capacity and low surface tension 
D)  has lower density as a solid than as a liquid and has large thermal conductivity 
E)  none of these are false 
A)  has hydrogen bonds and large enthalpy of vaporization 
B)  has covalent bonds and large enthalpy of fusion 
C)  has high specific heat capacity and low surface tension 
D)  has lower density as a solid than as a liquid and has large thermal conductivity 
E)  none of these are false

Question 3

Which ending statement is false? The vapor pressure

Accepted Answer

A)  is higher when the evaporation rate of a liquid is higher. 
B)  decreases when liquid molecules have weaker intermolecular forces. 
C)  is an equilibrium partial pressure due to gas molecules. 
D)  increases when liquid molecules have more kinetic energy to escape the liquid phase. 
E)  at a given temperature is greater for a more volatile liquid than a less volatile liquid. 
A)  is higher when the evaporation rate of a liquid is higher. 
B)  decreases when liquid molecules have weaker intermolecular forces. 
C)  is an equilibrium partial pressure due to gas molecules. 
D)  increases when liquid molecules have more kinetic energy to escape the liquid phase. 
E)  at a given temperature is greater for a more volatile liquid than a less volatile liquid.

Question 4

Which choice is an example of a molecular solid?

Accepted Answer

A)  NaCl 
B)  iodine 
C)  iron 
D)  quartz 
E)  glass 
A)  NaCl 
B)  iodine 
C)  iron 
D)  quartz 
E)  glass

Question 5

A diatomic element is a shiny purple solid at room temperature that sublimes upon gentle heating. It is slightly soluble in water and considerably more soluble in alcohol. It does not conduct electricity as a solid, liquid or solution. This solid can best be classified as

Accepted Answer

A)  ionic. 
B)  molecular. 
C)  amorphous. 
D)  metallic. 
E)  network. 
A)  ionic. 
B)  molecular. 
C)  amorphous. 
D)  metallic. 
E)  network.

Question 6

Which are properties of all metals (except Hg)?
I. Good conductors of heat and electricity
II. Easily formed into sheets or wires
III. Shiny
IV. Chemically unreactive
V. Soluble in water

Accepted Answer

A)  all of these 
B)  none of these 
C)  I, II, III 
D)  I, II, IV 
E)  III, IV, V 
A)  all of these 
B)  none of these 
C)  I, II, III 
D)  I, II, IV 
E)  III, IV, V

Question 7

In body-centered cubic unit cells, ____ of the atom in the center of the unit cell is counted as part of that unit cell.

Accepted Answer

A)  all 
B)  none 
C)  1/2 
D)  1/4 
E)  1/8 
A)  all 
B)  none 
C)  1/2 
D)  1/4 
E)  1/8

Question 8

Viscosity of a liquid ____ as temperature decreases because ____.

Accepted Answer

A)  cannot be predicted; viscosity is determined by more than just temperature 
B)  increases; the molecules have more kinetic energy at the new temperature 
C)  increases; the molecules have less kinetic energy at the new temperature 
D)  decreases; the molecules have more kinetic energy at the new temperature 
E)  decreases; the molecules have less kinetic energy at the new temperature 
A)  cannot be predicted; viscosity is determined by more than just temperature 
B)  increases; the molecules have more kinetic energy at the new temperature 
C)  increases; the molecules have less kinetic energy at the new temperature 
D)  decreases; the molecules have more kinetic energy at the new temperature 
E)  decreases; the molecules have less kinetic energy at the new temperature

Question 9

In face-centered cubic unit cells, ____ of the atom on each face of the unit cell is counted as part of that unit cell.

Accepted Answer

A)  all 
B)  none 
C)  1/2 
D)  1/4 
E)  1/8 
A)  all 
B)  none 
C)  1/2 
D)  1/4 
E)  1/8

Question 10

Which description of the Clausius-Clapeyron equation is false?

Accepted Answer

A)  graphing the equation produces a slope equal to -DHvap/R 
B)  based on the nonlinear increase in vapor pressure with increasing temperature 
C)  used only for calculating the enthalpy of vaporization of a substance 
D)  predicts a linear relationship between lnP and 1/T 
E)  can help determine the vapor pressure of a substance at different temperatures. 
A)  graphing the equation produces a slope equal to -DHvap/R 
B)  based on the nonlinear increase in vapor pressure with increasing temperature 
C)  used only for calculating the enthalpy of vaporization of a substance 
D)  predicts a linear relationship between lnP and 1/T 
E)  can help determine the vapor pressure of a substance at different temperatures.

Question 11

Which choice is an example of an amorphous solid?

Accepted Answer

A)  NaCl 
B)  ionic solid 
C)  iron 
D)  quartz 
E)  glass 
A)  NaCl 
B)  ionic solid 
C)  iron 
D)  quartz 
E)  glass

Question 12

Which statement is false?

Accepted Answer

A)  A material is conductive if enough electrons can move from the valence band into the conduction band. 
B)  Semiconductors become conductors at higher temperatures or in an electric field. 
C)  Electrons in a metal flow toward the positive end of an electrical field. 
D)  An energy band is a group of orbitals whose energy levels are widely spaced. 
E)  The energy level of the conduction band always overlaps the energy level of the valence band. 
A)  A material is conductive if enough electrons can move from the valence band into the conduction band. 
B)  Semiconductors become conductors at higher temperatures or in an electric field. 
C)  Electrons in a metal flow toward the positive end of an electrical field. 
D)  An energy band is a group of orbitals whose energy levels are widely spaced. 
E)  The energy level of the conduction band always overlaps the energy level of the valence band.

Question 13

Exhibit 11-1 For the following question(s), consider the graphic below:   Refer to Exhibit 11-1. The transition from Phase I to Phase III is called

Accepted Answer

A)  melting. 
B)  freezing. 
C)  sublimation. 
D)  evaporation. 
E)  condensation. 
A)  melting. 
B)  freezing. 
C)  sublimation. 
D)  evaporation. 
E)  condensation.

Question 14

What is the correct order for the surface tension of the following substances?

Accepted Answer

A)  CHCl3 2O 8H18 
B)  H2O 3 8H18 
C)  CHCl3 8H18 2O 
D)  C8H18 3 2O 
E)  C8H18 2O 3 
A)  CHCl3 2O 8H18 
B)  H2O 3 8H18 
C)  CHCl3 8H18 2O 
D)  C8H18 3 2O 
E)  C8H18 2O 3

Question 15

Which statement is false?

Accepted Answer

A)  Amorphous solids have very little long-range order. 
B)  Ionic solids are poor conductors of electricity. 
C)  Metallic solids are good conductors of heat and electricity. 
D)  Molecular solids are held together by covalent bonds. 
E)  Network solids are bonded into infinite molecules of atoms by covalent bonds. 
A)  Amorphous solids have very little long-range order. 
B)  Ionic solids are poor conductors of electricity. 
C)  Metallic solids are good conductors of heat and electricity. 
D)  Molecular solids are held together by covalent bonds. 
E)  Network solids are bonded into infinite molecules of atoms by covalent bonds.

Question 16

Exhibit 11-1 For the following question(s), consider the graphic below:   Refer to Exhibit 11-1. The temperature at point d is the

Accepted Answer

A)  critical point. 
B)  triple point. 
C)  absolute freezing point. 
D)  normal freezing point. 
E)  normal boiling point. 
A)  critical point. 
B)  triple point. 
C)  absolute freezing point. 
D)  normal freezing point. 
E)  normal boiling point.

Question 17

Exhibit 11-1 For the following question(s), consider the graphic below:   Refer to Exhibit 11-1. The temperature at point c is the

Accepted Answer

A)  critical point. 
B)  triple point. 
C)  absolute freezing point. 
D)  normal freezing point. 
E)  normal boiling point. 
A)  critical point. 
B)  triple point. 
C)  absolute freezing point. 
D)  normal freezing point. 
E)  normal boiling point.

Question 18

Exhibit 11-1 For the following question(s), consider the graphic below:   Refer to Exhibit 11-1. At a constant pressure of 1 atmosphere, the transition from Phase III to Phase II is

Accepted Answer

A)  an exothermic process in which solid molecules lose energy 
B)  an exothermic process in which gas molecules lose energy 
C)  an endothermic process in which solid molecules gain energy 
D)  an endothermic process in which liquid molecules gain energy 
E)  an endothermic process in which gas molecules gain energy 
A)  an exothermic process in which solid molecules lose energy 
B)  an exothermic process in which gas molecules lose energy 
C)  an endothermic process in which solid molecules gain energy 
D)  an endothermic process in which liquid molecules gain energy 
E)  an endothermic process in which gas molecules gain energy

Question 19

Which statement about heat of vaporization and heat of condensation is correct?

Accepted Answer

A)  The heat of condensation is equal in magnitude but opposite in sign when compared to the heat of vaporization. 
B)  The heat of vaporization represents the heat released when a gas becomes a liquid, and the heat of condensation represents the heat required for a liquid to become a gas. 
C)  There is no general relationship between these two quantities and the values depend on the substance involved. 
D)  The heat of vaporization is always less than the heat of condensation. 
E)  The heat of vaporization is exactly equal to the heat of condensation. 
A)  The heat of condensation is equal in magnitude but opposite in sign when compared to the heat of vaporization. 
B)  The heat of vaporization represents the heat released when a gas becomes a liquid, and the heat of condensation represents the heat required for a liquid to become a gas. 
C)  There is no general relationship between these two quantities and the values depend on the substance involved. 
D)  The heat of vaporization is always less than the heat of condensation. 
E)  The heat of vaporization is exactly equal to the heat of condensation.

Question 20

The best explanation for the existence of a meniscus observed when water is placed in a glass tube of small diameter is

Accepted Answer

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

In an ionic compound such as NaCl, which consists of a fcc lattice of chloride ions, each sodium ion has ____ chloride ions surrounding it as nearest neighbors.

Which description of the properties of water is false?

Which ending statement is false? The vapor pressure

Which choice is an example of a molecular solid?

A diatomic element is a shiny purple solid at room temperature that sublimes upon gentle heating. It is slightly soluble in water and considerably more soluble in alcohol. It does not conduct electricity as a solid, liquid or solution. This solid can best be classified as

Which are properties of all metals (except Hg)? I. Good conductors of heat and electricity II. Easily formed into sheets or wires III. Shiny IV. Chemically unreactive V. Soluble in water

In body-centered cubic unit cells, ____ of the atom in the center of the unit cell is counted as part of that unit cell.

Viscosity of a liquid as temperature decreases because .

In face-centered cubic unit cells, ____ of the atom on each face of the unit cell is counted as part of that unit cell.

Which description of the Clausius-Clapeyron equation is false?

Which choice is an example of an amorphous solid?

Which statement is false?

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The transition from Phase I to Phase III is called

What is the correct order for the surface tension of the following substances?

Which statement is false?

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The temperature at point d is the

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The temperature at point c is the

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. At a constant pressure of 1 atmosphere, the transition from Phase III to Phase II is

Which statement about heat of vaporization and heat of condensation is correct?

The best explanation for the existence of a meniscus observed when water is placed in a glass tube of small diameter is

The Nature of Chemistry

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Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

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Chemical Kinetics: Rates of Reactions

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Exam 11: Liquids, Solids, and Materials

In an ionic compound such as NaCl, which consists of a fcc lattice of chloride ions, each sodium ion has ____ chloride ions surrounding it as nearest neighbors.

Which description of the properties of water is false?

Which ending statement is false? The vapor pressure

Which choice is an example of a molecular solid?

A diatomic element is a shiny purple solid at room temperature that sublimes upon gentle heating. It is slightly soluble in water and considerably more soluble in alcohol. It does not conduct electricity as a solid, liquid or solution. This solid can best be classified as

Which are properties of all metals (except Hg)? I. Good conductors of heat and electricity II. Easily formed into sheets or wires III. Shiny IV. Chemically unreactive V. Soluble in water

In body-centered cubic unit cells, ____ of the atom in the center of the unit cell is counted as part of that unit cell.

Viscosity of a liquid ____ as temperature decreases because ____.

In face-centered cubic unit cells, ____ of the atom on each face of the unit cell is counted as part of that unit cell.

Which description of the Clausius-Clapeyron equation is false?

Which choice is an example of an amorphous solid?

Which statement is false?

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The transition from Phase I to Phase III is called

What is the correct order for the surface tension of the following substances?

Which statement is false?

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The temperature at point d is the

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. The temperature at point c is the

Exhibit 11-1 For the following question(s), consider the graphic below: Refer to Exhibit 11-1. At a constant pressure of 1 atmosphere, the transition from Phase III to Phase II is

Which statement about heat of vaporization and heat of condensation is correct?

The best explanation for the existence of a meniscus observed when water is placed in a glass tube of small diameter is

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

Viscosity of a liquid as temperature decreases because .