Question 1

Identify the type of solid for ice.

Accepted Answer

A)  metallic atomic solid 
B)  ionic solid 
C)  nonbonding atomic solid 
D)  molecular solid 
E)  networking atomic solid 
A)  metallic atomic solid 
B)  ionic solid 
C)  nonbonding atomic solid 
D)  molecular solid 
E)  networking atomic solid

Question 2

Define dynamic equilibrium between the liquid and gaseous phases.

Accepted Answer

Dynamic equilibrium

Question 3

Identify the type of solid for gold.

Accepted Answer

A)  metallic atomic solid 
B)  ionic solid 
C)  nonbonding atomic solid 
D)  molecular solid 
E)  networking atomic solid 
A)  metallic atomic solid 
B)  ionic solid 
C)  nonbonding atomic solid 
D)  molecular solid 
E)  networking atomic solid

Question 4

Determine the radius of an Al atom (in pm) if the density of aluminum is 2.71 g cm-3. Aluminum crystallizes in a face-centred cubic structure with an edge length of $ 2 \sqrt{2} r $.

Accepted Answer

A)  143 pm 
B)  227 pm 
C)  96 pm 
D)  172 pm 
E)  193 pm 
A)  143 pm 
B)  227 pm 
C)  96 pm 
D)  172 pm 
E)  193 pm

Question 5

Choose the substance with the highest boiling point.

Accepted Answer

A)  Acetone 
B)  Ethanol 
C)  Methanol 
D)  Propanol 
E)  Butanol 
A)  Acetone 
B)  Ethanol 
C)  Methanol 
D)  Propanol 
E)  Butanol

Question 6

Place the following substances in order of increasing vapour pressure at a given temperature. SF6 SiH4 SF4

Accepted Answer

A)  SF6 4 4 
B)  SiH4 4 6 
C)  SF6 4 4 
D)  SF4 6 4 
E)  SiH4 6 4 
A)  SF6 4 4 
B)  SiH4 4 6 
C)  SF6 4 4 
D)  SF4 6 4 
E)  SiH4 6 4

Question 7

Which has the smallest dipole-dipole forces?

Accepted Answer

A)  CH3Cl  
B)  HBr  
C)  O2 
D)  NO  
A)  CH3Cl  
B)  HBr  
C)  O2 
D)  NO

Question 8

Place the following compounds in order of increasing strength of intermolecular forces. CO2 F2 NH2CH3

Accepted Answer

A)  NH2CH3 2 2 
B)  F2 2CH3 2 
C)  NH2CH3 2 2 
D)  F2 2 2CH3 
E)  CO2 2CH3 2 
A)  NH2CH3 2 2 
B)  F2 2CH3 2 
C)  NH2CH3 2 2 
D)  F2 2 2CH3 
E)  CO2 2CH3 2

Question 9

What is the strongest type of intermolecular force present in CHF3?

Accepted Answer

A)  ion-dipole 
B)  dispersion 
C)  hydrogen bonding 
D)  dipole-dipole 
E)  none of the above 
A)  ion-dipole 
B)  dispersion 
C)  hydrogen bonding 
D)  dipole-dipole 
E)  none of the above

Question 10

Which one of the following has a low density?

Accepted Answer

A)  gas 
B)  liquid 
C)  solid 
D)  none of the above 
A)  gas 
B)  liquid 
C)  solid 
D)  none of the above

Question 11

Place the following substances in order of increasing boiling point. CH3CH2OH Ar CH3OCH3

Accepted Answer

A)  Ar 3OCH3 3CH2OH 
B)  CH3CH2OH 3OCH3 
C)  CH3CH2OH 3OCH3 3OCH3 3CH2OH 
E)  Ar 3CH2OH 3OCH3  
A)  Ar 3OCH3 3CH2OH 
B)  CH3CH2OH 3OCH3 
C)  CH3CH2OH 3OCH3 3OCH3 3CH2OH 
E)  Ar 3CH2OH 3OCH3

Question 12

Give the term for the temperature at which the gas and liquid phases form a supercritical fluid.

Accepted Answer

A)  absolute temperature 
B)  definite temperature 
C)  fluid temperature 
D)  critical temperature 
E)  solid temperature 
A)  absolute temperature 
B)  definite temperature 
C)  fluid temperature 
D)  critical temperature 
E)  solid temperature

Question 13

Nickel has a face-centred cubic structure and has a density of 8.90 g cm-3. What is its atomic radius?

Accepted Answer

A)  125 pm 
B)  249 pm 
C)  353 pm 
D)  997 pm 
A)  125 pm 
B)  249 pm 
C)  353 pm 
D)  997 pm

Question 14

Which of the following compounds exhibits hydrogen bonding?

Accepted Answer

A)  CH3I 
B)  H2 
C)  C6H5OCH3 
D)  CH3CH2NH2 
A)  CH3I 
B)  H2 
C)  C6H5OCH3 
D)  CH3CH2NH2

Question 15

Place the following substances in order of decreasing boiling point. N2 O2 H2

Accepted Answer

A)  O2 > H2 > N2 
B)  N2 > H2 > O2 
C)  N2 > O2 > H2 
D)  O2 > N2 > H2 
E)  H2 > N2 > O2 
A)  O2 > H2 > N2 
B)  N2 > H2 > O2 
C)  N2 > O2 > H2 
D)  O2 > N2 > H2 
E)  H2 > N2 > O2

Question 16

The heat of vaporization of water at 100 °C is 40.66 kJ mol-1. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100 °C.

Accepted Answer

A)  20.3 kJ of heat are absorbed. 
B)  20.3 kJ of heat are released. 
C)  81.3 kJ of heat are absorbed. 
D)  81.3 kJ of heat are released. 
A)  20.3 kJ of heat are absorbed. 
B)  20.3 kJ of heat are released. 
C)  81.3 kJ of heat are absorbed. 
D)  81.3 kJ of heat are released.

Question 17

Which of the following is considered a nonbonding atomic solid?

Accepted Answer

A)  Ne 
B)  Fe 
C)  I2 
D)  Ca 
E)  Li 
A)  Ne 
B)  Fe 
C)  I2 
D)  Ca 
E)  Li

Question 18

Gold crystallizes in a face-centred cubic structure. What is the edge length of the unit cell if the atomic radius of gold is 144 pm?

Accepted Answer

A)  204 pm 
B)  288 pm 
C)  333 pm 
D)  407 pm 
A)  204 pm 
B)  288 pm 
C)  333 pm 
D)  407 pm

Question 19

Identify the compound that does not have hydrogen bonding.

Accepted Answer

A)  (CH3)3N 
B)  H2O 
C)  CH3OH 
D)  HF 
E)  CH3NH2 
A)  (CH3)3N 
B)  H2O 
C)  CH3OH 
D)  HF 
E)  CH3NH2

Question 20

Which of the following statements is TRUE?

Accepted Answer

A)  Vapour pressure increases with temperature. 
B)  Hydrogen bonds are stronger than covalent bonds. 
C)  Intermolecular forces hold the atoms in molecules together. 
D)  Dispersion forces are generally stronger than dipole-dipole forces. 
A)  Vapour pressure increases with temperature. 
B)  Hydrogen bonds are stronger than covalent bonds. 
C)  Intermolecular forces hold the atoms in molecules together. 
D)  Dispersion forces are generally stronger than dipole-dipole forces.

Exam 11: Liquids, Solids, and Intermolecular Forces

Identify the type of solid for ice.

Define dynamic equilibrium between the liquid and gaseous phases.

Identify the type of solid for gold.

Determine the radius of an Al atom (in pm) if the density of aluminum is 2.71 g cm-3. Aluminum crystallizes in a face-centred cubic structure with an edge length of 22r 2 \sqrt{2} r 22​r .

Choose the substance with the highest boiling point.

Place the following substances in order of increasing vapour pressure at a given temperature. SF6 SiH4 SF4

Which has the smallest dipole-dipole forces?

Place the following compounds in order of increasing strength of intermolecular forces. CO2 F2 NH2CH3

What is the strongest type of intermolecular force present in CHF3?

Which one of the following has a low density?

Place the following substances in order of increasing boiling point. CH3CH2OH Ar CH3OCH3

Give the term for the temperature at which the gas and liquid phases form a supercritical fluid.

Nickel has a face-centred cubic structure and has a density of 8.90 g cm-3. What is its atomic radius?

Which of the following compounds exhibits hydrogen bonding?

Place the following substances in order of decreasing boiling point. N2 O2 H2

The heat of vaporization of water at 100 °C is 40.66 kJ mol-1. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100 °C.

Which of the following is considered a nonbonding atomic solid?

Gold crystallizes in a face-centred cubic structure. What is the edge length of the unit cell if the atomic radius of gold is 144 pm?

Identify the compound that does not have hydrogen bonding.

Which of the following statements is TRUE?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Determine the radius of an Al atom (in pm) if the density of aluminum is 2.71 g cm^-3. Aluminum crystallizes in a face-centred cubic structure with an edge length of $2 \sqrt{2} r$ .

Place the following substances in order of increasing vapour pressure at a given temperature. SF₆ SiH₄ SF₄

Place the following compounds in order of increasing strength of intermolecular forces. CO₂ F₂ NH₂CH₃

What is the strongest type of intermolecular force present in CHF₃?

Place the following substances in order of increasing boiling point. CH₃CH₂OH Ar CH₃OCH₃

Nickel has a face-centred cubic structure and has a density of 8.90 g cm^-3. What is its atomic radius?

Place the following substances in order of decreasing boiling point. N₂ O₂ H₂

The heat of vaporization of water at 100 °C is 40.66 kJ mol^-1. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100 °C.