Question 1

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 2

Choose the substance with the highest viscosity.

Accepted Answer

A) (CH3CH2)2CO 
B) C2H4Cl2 
C) HOCH2CH2CH2CH2OH 
D) CF4 
E) C6H14 
A) (CH3CH2)2CO 
B) C2H4Cl2 
C) HOCH2CH2CH2CH2OH 
D) CF4 
E) C6H14

Question 3

Place the following substances in order of increasing vapor pressure at a given temperature.
NF3 NH3 BCl3

Accepted Answer

A) NH3 3 3 
B) NF3 3 3 
C) BCl3 3 3 
D) NH3 3 3 
E) BCl3 3 3 
A) NH3 3 3 
B) NF3 3 3 
C) BCl3 3 3 
D) NH3 3 3 
E) BCl3 3 3

Question 4

In the phase diagram,what is boiling point?

Accepted Answer

A) 114°C 
B) 184°C 
C) 535°C 
D) 465°C 
A) 114°C 
B) 184°C 
C) 535°C 
D) 465°C

Question 5

Match the following.
-LiI + H2O

Accepted Answer

A) dipole-dipole forces 
B) dispersion forces 
C) ion-dipole forces 
D) ionic bond 
E) hydrogen bonding 
A) dipole-dipole forces 
B) dispersion forces 
C) ion-dipole forces 
D) ionic bond 
E) hydrogen bonding

Question 6

What is the strongest type of intermolecular force present in Cl2?

Accepted Answer

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

Question 7

Why does the temperature of a substance stay constant during a phase change such as vaporization?

Accepted Answer

The energy added to the substance is not

Question 8

Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force.

Accepted Answer

A) H2 
B) SO2 
C) NH3 
D) CF4 
E) BCl3 
A) H2 
B) SO2 
C) NH3 
D) CF4 
E) BCl3

Question 9

Choose the substance with the lowest boiling point.

Accepted Answer

A) H2S 
B) NBr3 
C) F2 
D) CF2H2 
E) H2O2 
A) H2S 
B) NBr3 
C) F2 
D) CF2H2 
E) H2O2

Question 10

Which of the following forms a molecular solid?

Accepted Answer

A) NH4NO3 
B) C6H4Cl2 
C) SiO2 
D) copper 
A) NH4NO3 
B) C6H4Cl2 
C) SiO2 
D) copper

Question 11

Define dynamic equilibrium as it relates to vapor pressure.

Accepted Answer

Dynamic equilibrium

Question 12

Match the following.
-CH2F2

Accepted Answer

A) dipole-dipole forces 
B) dispersion forces 
C) ion-dipole forces 
D) ionic bond 
E) hydrogen bonding 
A) dipole-dipole forces 
B) dispersion forces 
C) ion-dipole forces 
D) ionic bond 
E) hydrogen bonding

Question 13

NaCl crystallizes in a cubic unit cell with Cl- ions on each corner and each face.How many Na+ and Cl- ions are in each unit cell of NaCl?

Accepted Answer

A) 1 Na+ ion and 1 Cl- ion 
B) 2 Na+ ions and 2 Cl- ions 
C) 4 Na+ ions and 4 Cl- ions 
D) 8 Na+ ions and 8 Cl- ions 
A) 1 Na+ ion and 1 Cl- ion 
B) 2 Na+ ions and 2 Cl- ions 
C) 4 Na+ ions and 4 Cl- ions 
D) 8 Na+ ions and 8 Cl- ions

Question 14

Which of the following substances would you predict to have the highest ΔHvap?

Accepted Answer

A) CH3Cl 
B) HCl 
C) HOCH2CH2OH 
D) CH3CH2OH 
E) CH3CH2CH2CH3 
A) CH3Cl 
B) HCl 
C) HOCH2CH2OH 
D) CH3CH2OH 
E) CH3CH2CH2CH3

Question 15

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl4 from 35.0°C to gaseous CCl4 at 76.8°C (the normal boiling point for CCl4).The specific heat of CCl4(l)is 0.857 J/(g ∙ °C)its heat of fusion is 3.27 kJ/mol,and its heat of vaporization is 29.82 kJ/mol.

Accepted Answer

A) 0.896 kJ 
B) 1.43 kJ 
C) 5.74 kJ 
D) 6.28 kJ 
A) 0.896 kJ 
B) 1.43 kJ 
C) 5.74 kJ 
D) 6.28 kJ

Question 16

How many atoms are present in a face-centered cubic unit cell?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 17

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 18

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 19

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 20

How much heat is released when 105 g of steam at 100.0°C is cooled to ice at -15.0°C? The enthalpy of vaporization of water is 40.67 kJ/mol,the enthalpy of fusion for water is 6.01 kJ/mol,the molar heat capacity of liquid water is 75.4 J/(mol ∙ °C),and the molar heat capacity of ice is 36.4 J/(mol ∙ °C).

Accepted Answer

A) 54.8 kJ 
B) 273 kJ 
C) 319 kJ 
D) 347 kJ 
A) 54.8 kJ 
B) 273 kJ 
C) 319 kJ 
D) 347 kJ

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

Choose the substance with the highest viscosity.

Place the following substances in order of increasing vapor pressure at a given temperature. NF₃ NH₃BCl₃

In the phase diagram,what is boiling point?

Match the following. -LiI + H₂O

What is the strongest type of intermolecular force present in Cl₂?

Why does the temperature of a substance stay constant during a phase change such as vaporization?

Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force.

Choose the substance with the lowest boiling point.

Which of the following forms a molecular solid?

Define dynamic equilibrium as it relates to vapor pressure.

Match the following. -CH₂F₂

NaCl crystallizes in a cubic unit cell with Cl^- ions on each corner and each face.How many Na⁺ and Cl^- ions are in each unit cell of NaCl?

Which of the following substances would you predict to have the highest ΔH_vap?

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl₄ from 35.0°C to gaseous CCl₄ at 76.8°C (the normal boiling point for CCl₄).The specific heat of CCl₄(l)is 0.857 J/(g ∙ °C)its heat of fusion is 3.27 kJ/mol,and its heat of vaporization is 29.82 kJ/mol.

How many atoms are present in a face-centered cubic unit cell?

Which has the smallest dipole-dipole forces?

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

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

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

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

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Exam 11: Liquids, Solids, and Intermolecular Forces

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

Choose the substance with the highest viscosity.

Place the following substances in order of increasing vapor pressure at a given temperature. NF3 NH3 BCl3

In the phase diagram,what is boiling point?

Match the following. -LiI + H2O

What is the strongest type of intermolecular force present in Cl2?

Why does the temperature of a substance stay constant during a phase change such as vaporization?

Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force.

Choose the substance with the lowest boiling point.

Which of the following forms a molecular solid?

Define dynamic equilibrium as it relates to vapor pressure.

Match the following. -CH2F2

NaCl crystallizes in a cubic unit cell with Cl- ions on each corner and each face.How many Na+ and Cl- ions are in each unit cell of NaCl?

Which of the following substances would you predict to have the highest ΔHvap?

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl4 from 35.0°C to gaseous CCl4 at 76.8°C (the normal boiling point for CCl4).The specific heat of CCl4(l)is 0.857 J/(g ∙ °C)its heat of fusion is 3.27 kJ/mol,and its heat of vaporization is 29.82 kJ/mol.

How many atoms are present in a face-centered cubic unit cell?

Which has the smallest dipole-dipole forces?

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

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

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

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

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

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

Place the following substances in order of increasing vapor pressure at a given temperature. NF₃ NH₃BCl₃

Match the following. -LiI + H₂O

What is the strongest type of intermolecular force present in Cl₂?

Match the following. -CH₂F₂

NaCl crystallizes in a cubic unit cell with Cl^- ions on each corner and each face.How many Na⁺ and Cl^- ions are in each unit cell of NaCl?

Which of the following substances would you predict to have the highest ΔH_vap?

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl₄ from 35.0°C to gaseous CCl₄ at 76.8°C (the normal boiling point for CCl₄).The specific heat of CCl₄(l)is 0.857 J/(g ∙ °C)its heat of fusion is 3.27 kJ/mol,and its heat of vaporization is 29.82 kJ/mol.

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

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