Question 1

Which of the following lacks a regular three-dimensional arrangement of atoms?

Accepted Answer

A) crystalline solids 
B) ionic crystals 
C) solids 
D) amorphous solids 
E) molecular solids 
A) crystalline solids 
B) ionic crystals 
C) solids 
D) amorphous solids 
E) molecular solids

Question 2

In the packing of identical atoms with cubic unit cells,the packing efficiency increases as the coordination number increases.

Accepted Answer

A) True 
 B)False

Question 3

Which one of the following pure substances will exhibit hydrogen bonding?

Accepted Answer

A) CH4 
B) H2C=CH2 
C) H2O 
D) CHCl3 
E) CHF3 
A) CH4 
B) H2C=CH2 
C) H2O 
D) CHCl3 
E) CHF3

Question 4

How many phase changes are represented in the following heating curve of a pure substance?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 5

Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first.

Accepted Answer

A) C7H16,C5H12 
B) CCl4,CBr4 
C) H2O,H2S 
D) CH3CH2OH,CH3-O-CH3 
E) Xe,Kr 
A) C7H16,C5H12 
B) CCl4,CBr4 
C) H2O,H2S 
D) CH3CH2OH,CH3-O-CH3 
E) Xe,Kr

Question 6

If the adhesive forces between a liquid and the walls of a capillary tube are greater than the cohesive forces within the liquid,

Accepted Answer

A) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a convex meniscus. 
B) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus. 
C) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a convex meniscus. 
D) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a concave meniscus. 
E) the liquid level in a capillary tube will be flat. 
A) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a convex meniscus. 
B) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus. 
C) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a convex meniscus. 
D) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a concave meniscus. 
E) the liquid level in a capillary tube will be flat.

Question 7

Below is a representation of the unit cell for nickel(II)oxide.How many O2? anions are there in the unit cell?

Accepted Answer

A) 1 
B) 4 
C) 8 
D) 13 
E) 14 
A) 1 
B) 4 
C) 8 
D) 13 
E) 14

Question 8

Identify the dominant (strongest)type of intermolecular force present in H2S(g).

Accepted Answer

Question 9

Diethyl ether,(CH3CH2)2O,used as a solvent for extraction of organic compounds from aqueous solutions,has a high vapor pressure,which makes it a potential fire hazard in laboratories in which it is used.How much energy is released when 100.0 g is cooled from 53.0°C to 10.0°C? Normal boiling point 34.5°C
Heat of vaporization 351 J/g
Specific heat of
(CH3CH2)2O(l)3.74 J/g • °C
Specific heat of
(CH3CH2)2O(g)2.35 J/g • °C

Accepted Answer

A) 10.1 kJ 
B) 16.1 kJ 
C) 21.6 kJ 
D) 35.1 kJ 
E) 48.6 kJ 
A) 10.1 kJ 
B) 16.1 kJ 
C) 21.6 kJ 
D) 35.1 kJ 
E) 48.6 kJ

Question 10

Which of the following statements is true?

Accepted Answer

A) The higher the viscosity,the faster a liquid flows. 
B) The viscosity increases with increasing temperature. 
C) The stronger the intermolecular forces,the higher the viscosity. 
D) Hydrogen bonding in water gives rise to its unusually low viscosity. 
E) The viscosity of gases is larger than the viscosity of liquids. 
A) The higher the viscosity,the faster a liquid flows. 
B) The viscosity increases with increasing temperature. 
C) The stronger the intermolecular forces,the higher the viscosity. 
D) Hydrogen bonding in water gives rise to its unusually low viscosity. 
E) The viscosity of gases is larger than the viscosity of liquids.

Question 11

What quantity of heat is required to melt 2.00 kg of iron at its melting point (1809 K)? For iron, ΔHfus = 13.80 kJ/mol.

Accepted Answer

A) 0.385 kJ 
B) 6.90 kJ 
C) 27.6 kJ 
D) 494 kJ 
E) 771 kJ 
A) 0.385 kJ 
B) 6.90 kJ 
C) 27.6 kJ 
D) 494 kJ 
E) 771 kJ

Question 12

A metal such as chromium in the body-centered cubic lattice has _______________ atom(s)per unit cell.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 9 
A) 1 
B) 2 
C) 3 
D) 4 
E) 9

Question 13

Identify the dominant (strongest)type of intermolecular force present in RbCl(s).

Accepted Answer

The answer of Identify the dominant (strongest)type of intermolecular force...

Question 14

Below is a representation of liquid water in equilibrium with its water vapor in a rigid container at 35ºC.The circles represent water vapor.   Which diagram below best represents liquid water in equilibrium with its water vapor at 70ºC? The heat of vaporization of water is 40.7 kJ/mol.(R = 8.314 J/K • mol)

Accepted Answer

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

Question 15

The arrow in this phase diagram represents which phase change?

Accepted Answer

A) sublimation 
B) deposition 
C) freezing 
D) vaporization 
E) fusion 
A) sublimation 
B) deposition 
C) freezing 
D) vaporization 
E) fusion

Question 16

In which of the following compounds will the molecules not form hydrogen bonds with each other?

Accepted Answer

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

Question 17

___________ ___________ is a special type of dipole-dipole interaction.

Accepted Answer

The answer of ___________ ___________ is a special type of...

Question 18

Naphthalene sublimes at room temperature and 1 atmosphere pressure; which statement is true concerning the triple point of naphthalene?

Accepted Answer

A) The triple point is lower than room temperature. 
B) The triple point is higher than room temperature. 
C) The triple point is equal to room temperature. 
A) The triple point is lower than room temperature. 
B) The triple point is higher than room temperature. 
C) The triple point is equal to room temperature.

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

The energy required to increase the surface of a liquid per unit area is called the

Accepted Answer

A) capillary action. 
B) surface tension. 
C) viscosity. 
D) cohesion. 
E) specific elasticity. 
A) capillary action. 
B) surface tension. 
C) viscosity. 
D) cohesion. 
E) specific elasticity.

Exam 11: Intermolecular Forces and the Physical Properties of Liquids and Solids

Which of the following lacks a regular three-dimensional arrangement of atoms?

In the packing of identical atoms with cubic unit cells,the packing efficiency increases as the coordination number increases.

Which one of the following pure substances will exhibit hydrogen bonding?

How many phase changes are represented in the following heating curve of a pure substance?

Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first.

If the adhesive forces between a liquid and the walls of a capillary tube are greater than the cohesive forces within the liquid,

Below is a representation of the unit cell for nickel(II)oxide.How many O2? anions are there in the unit cell?

Identify the dominant (strongest)type of intermolecular force present in H2S(g).

Which of the following statements is true?

What quantity of heat is required to melt 2.00 kg of iron at its melting point (1809 K)? For iron, ΔHfus = 13.80 kJ/mol.

A metal such as chromium in the body-centered cubic lattice has _______________ atom(s)per unit cell.

Identify the dominant (strongest)type of intermolecular force present in RbCl(s).

The arrow in this phase diagram represents which phase change?

In which of the following compounds will the molecules not form hydrogen bonds with each other?

___________ ___________ is a special type of dipole-dipole interaction.

Naphthalene sublimes at room temperature and 1 atmosphere pressure; which statement is true concerning the triple point of naphthalene?

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

The energy required to increase the surface of a liquid per unit area is called the

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Acid-Base Equilibria and Solubility Equilibria

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Nonmetallic Elements and Their Compounds

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Below is a representation of the unit cell for nickel(II)oxide.How many O²^? anions are there in the unit cell?

Identify the dominant (strongest)type of intermolecular force present in H₂S(g).

What quantity of heat is required to melt 2.00 kg of iron at its melting point (1809 K)? For iron, ΔH_fus = 13.80 kJ/mol.

_ _ is a special type of dipole-dipole interaction.