Question 1

Which of the following pairs of substances is arranged so that the one with higher viscosity is listed first?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 2

The surface tension of water is lowered when a detergent is present in solution.

Accepted Answer

A) True 
 B)False

Question 3

Iron crystallizes in the body-centered cubic lattice. What is the coordination number for Fe?

Accepted Answer

A) 4 
B) 6 
C) 8 
D) 10 
E) 12 
A) 4 
B) 6 
C) 8 
D) 10 
E) 12

Question 4

Which of the following is true about kinetic energy, Ek, and potential energy, Ep, when ethyl alcohol at 40°C is compared with ethyl alcohol at 20°C?

Accepted Answer

A) E k(40°
C) k(20°
C) ; E p(40°
C) ≈ E p(20°
C)  
B) E k(40°
C) > E k(20°
C) ; E p(40°
C) ≈ E p(20°
C)  
C) E p(40°
C) p(20°
C) ; E k(40°
C) ≈ E k(20°
C)  
D) E p(40°
C) > E p(20°
C) ; E k(40°
C) ≈ E k(20°
C)  
E) E p(40°
C) > E p(20°
C) ; E k(40°
C) > E k(20°
C)  
A) E k(40°
C) k(20°
C) ; E p(40°
C) ≈ E p(20°
C)  
B) E k(40°
C) > E k(20°
C) ; E p(40°
C) ≈ E p(20°
C)  
C) E p(40°
C) p(20°
C) ; E k(40°
C) ≈ E k(20°
C)  
D) E p(40°
C) > E p(20°
C) ; E k(40°
C) ≈ E k(20°
C)  
E) E p(40°
C) > E p(20°
C) ; E k(40°
C) > E k(20°
C)

Question 5

Which one of the following substances will have hydrogen bonds between molecules?

Accepted Answer

A) (CH 3)3N 
B) CH 3-O-CH 3 
C) CH 3CH 2-OH 
D) CH 3CH 2-F 
E) HI 
A) (CH 3)3N 
B) CH 3-O-CH 3 
C) CH 3CH 2-OH 
D) CH 3CH 2-F 
E) HI

Question 6

A sample of octane in equilibrium with its vapor in a closed 1.0-L container has a vapor pressure of 50.0 torr at 45°C. The container's volume is increased to 2.0 L at constant temperature and the liquid/vapor equilibrium is reestablished. What is the vapor pressure?

Accepted Answer

A) > 50.0 torr 
B) 50.0 torr 
C) 25.0 torr 
D) The mass of the octane vapor is needed to calculate the vapor pressure. 
E) The external pressure is needed to calculate the vapor pressure. 
A) > 50.0 torr 
B) 50.0 torr 
C) 25.0 torr 
D) The mass of the octane vapor is needed to calculate the vapor pressure. 
E) The external pressure is needed to calculate the vapor pressure.

Question 7

Which of the following has a boiling point that does not fit the general trend?

Accepted Answer

A) NH 3 
B) PH 3 
C) AsH 3 
D) SbH 3 
E) BiH 3 
A) NH 3 
B) PH 3 
C) AsH 3 
D) SbH 3 
E) BiH 3

Question 8

Which of the following should have the highest surface tension at a given temperature?

Accepted Answer

A) CH 4 
B) CF 4 
C) CCl 4 
D) CBr 4 
E) CI 4 
A) CH 4 
B) CF 4 
C) CCl 4 
D) CBr 4 
E) CI 4

Question 9

A metal such with a face-centered cubic lattice will have __________ atom(s) per unit cell.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 10 
A) 1 
B) 2 
C) 3 
D) 4 
E) 10

Question 10

A temperature increase causes __________ in the conductivity of a conductor.

Accepted Answer

A) a decrease 
B) an increase 
C) an increase or decrease (depending on the conductor) 
D) a modulation 
E) no change 
A) a decrease 
B) an increase 
C) an increase or decrease (depending on the conductor) 
D) a modulation 
E) no change

Question 11

Comparing the energies of the following intermolecular forces on a kJ/mol basis, which would normally have the highest energy (i.e., be the strongest force)?

Accepted Answer

A) Ion-induced dipole 
B) Dipole-induced dipole 
C) Ion-dipole 
D) Dipole-dipole 
E) Dispersion 
A) Ion-induced dipole 
B) Dipole-induced dipole 
C) Ion-dipole 
D) Dipole-dipole 
E) Dispersion

Question 12

Neon atoms are attracted to each other by

Accepted Answer

A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonding. 
E) intramolecular forces. 
A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonding. 
E) intramolecular forces.

Question 13

The maximum number of phases of a single substance which can coexist in equilibrium is two.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following terms refers to the resistance of a liquid to flow?

Accepted Answer

A) Surface tension 
B) Capillary action 
C) Viscosity 
D) Adhesion 
E) Cohesion 
A) Surface tension 
B) Capillary action 
C) Viscosity 
D) Adhesion 
E) Cohesion

Question 15

Octane is a component of fuel used in internal combustion engines. The dominant intermolecular forces in octane are

Accepted Answer

A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonds. 
E) carbon-hydrogen bonds. 
A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonds. 
E) carbon-hydrogen bonds.

Which of the following pairs of substances is arranged so that the one with higher viscosity is listed first?

The surface tension of water is lowered when a detergent is present in solution.

Iron crystallizes in the body-centered cubic lattice. What is the coordination number for Fe?

Which of the following is true about kinetic energy, E_k, and potential energy, E_p, when ethyl alcohol at 40°C is compared with ethyl alcohol at 20°C?

Which one of the following substances will have hydrogen bonds between molecules?

A sample of octane in equilibrium with its vapor in a closed 1.0-L container has a vapor pressure of 50.0 torr at 45°C. The container's volume is increased to 2.0 L at constant temperature and the liquid/vapor equilibrium is reestablished. What is the vapor pressure?

Which of the following has a boiling point that does not fit the general trend?

Which of the following should have the highest surface tension at a given temperature?

A metal such with a face-centered cubic lattice will have __________ atom(s) per unit cell.

A temperature increase causes __________ in the conductivity of a conductor.

Comparing the energies of the following intermolecular forces on a kJ/mol basis, which would normally have the highest energy (i.e., be the strongest force)?

Neon atoms are attracted to each other by

The maximum number of phases of a single substance which can coexist in equilibrium is two.

Which of the following terms refers to the resistance of a liquid to flow?

Octane is a component of fuel used in internal combustion engines. The dominant intermolecular forces in octane are

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 12: Intermolecular Forces: Liquids, Solids, and Phase Changes

Which of the following pairs of substances is arranged so that the one with higher viscosity is listed first?

The surface tension of water is lowered when a detergent is present in solution.

Iron crystallizes in the body-centered cubic lattice. What is the coordination number for Fe?

Which of the following is true about kinetic energy, Ek, and potential energy, Ep, when ethyl alcohol at 40°C is compared with ethyl alcohol at 20°C?

Which one of the following substances will have hydrogen bonds between molecules?

A sample of octane in equilibrium with its vapor in a closed 1.0-L container has a vapor pressure of 50.0 torr at 45°C. The container's volume is increased to 2.0 L at constant temperature and the liquid/vapor equilibrium is reestablished. What is the vapor pressure?

Which of the following has a boiling point that does not fit the general trend?

Which of the following should have the highest surface tension at a given temperature?

A metal such with a face-centered cubic lattice will have __________ atom(s) per unit cell.

A temperature increase causes __________ in the conductivity of a conductor.

Comparing the energies of the following intermolecular forces on a kJ/mol basis, which would normally have the highest energy (i.e., be the strongest force)?

Neon atoms are attracted to each other by

The maximum number of phases of a single substance which can coexist in equilibrium is two.

Which of the following terms refers to the resistance of a liquid to flow?

Octane is a component of fuel used in internal combustion engines. The dominant intermolecular forces in octane are

Keys to the Study of Chemistry: Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and Reaction Direction

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Which of the following is true about kinetic energy, E_k, and potential energy, E_p, when ethyl alcohol at 40°C is compared with ethyl alcohol at 20°C?