Question 1

Which compound in liquid form will have the highest vapor pressure?

Accepted Answer

A) CH4 
B) CH3CH3 
C) CH3 C(O)CH3 
D)  CH3CH2OH 
E) not enough information 
A) CH4 
B) CH3CH3 
C) CH3 C(O)CH3 
D)  CH3CH2OH 
E) not enough information

Question 2

Which molecule below has hydrogen bonding?

Accepted Answer

A) NH3 
B) CH3OH 
C) H2O 
D) HF 
E) all of the above 
A) NH3 
B) CH3OH 
C) H2O 
D) HF 
E) all of the above

Question 3

Why is water considered an unusual molecule?

Accepted Answer

A) No molecule of similar size is a liquid at room temperature. 
B) No molecule of similar size has as high a boiling point. 
C) Water can dissolve many polar and ionic compounds. 
D) Water expands upon freezing. 
E) all of the above 
A) No molecule of similar size is a liquid at room temperature. 
B) No molecule of similar size has as high a boiling point. 
C) Water can dissolve many polar and ionic compounds. 
D) Water expands upon freezing. 
E) all of the above

Question 4

Which intermolecular force is the strongest?

Accepted Answer

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

Question 5

Which substance is most likely to be miscible with water?

Accepted Answer

A) CF4 
B) Br2 
C) CS2 
D) CHCl3 
E) none of the above 
A) CF4 
B) Br2 
C) CS2 
D) CHCl3 
E) none of the above

Question 6

Intermolecular forces are responsible for:

Accepted Answer

A) the taste sensations. 
B) the shape of protein molecules. 
C) the function of DNA. 
D) the existence of liquids and solids. 
E) all of the above 
A) the taste sensations. 
B) the shape of protein molecules. 
C) the function of DNA. 
D) the existence of liquids and solids. 
E) all of the above

Question 7

Evaporation is an endothermic process.

Accepted Answer

A) True 
 B)False

Question 8

Which sequence correctly shows the increasing density of the three phases of water?

Accepted Answer

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

Question 9

Which statement about boiling point is FALSE?

Accepted Answer

A) The boiling point is higher for compounds with strong intermolecular forces. 
B) The boiling point is higher for compounds with a high viscosity. 
C) The boiling point of a compound is an absolute constant. 
D) The boiling point of a compound is higher for nonvolatile compounds. 
E) All of the above statements are true. 
A) The boiling point is higher for compounds with strong intermolecular forces. 
B) The boiling point is higher for compounds with a high viscosity. 
C) The boiling point of a compound is an absolute constant. 
D) The boiling point of a compound is higher for nonvolatile compounds. 
E) All of the above statements are true.

Question 10

How many kJ of heat are needed to completely melt 1.70 moles of H2O,given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.

Accepted Answer

A) 30.6 
B) 10.2 
C) 3.54 
D) 63.7 
E) none of the above 
A) 30.6 
B) 10.2 
C) 3.54 
D) 63.7 
E) none of the above

Question 11

Viscosity increases with increased intermolecular force because the molecules attract each other strongly which hinders the flow.

Accepted Answer

A) True 
 B)False

Question 12

The ability of sodium chloride to mix with water is most likely due to:

Accepted Answer

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

Question 13

Liquids that are viscous flow more slowly than liquids that are not viscous.

Accepted Answer

A) True 
 B)False

Question 14

The rate of vaporization of a liquid can be increased by: 
1.increasing the surface area
2.increasing the temperature
3.increasing the strength of the intermolecular forces

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 2 only 
E) 2 and 3 only 
A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 2 only 
E) 2 and 3 only

Question 15

The process of heating a pot of water from room temperature to boiling temperature is an exothermic process.

Accepted Answer

A) True 
 B)False

Question 16

The reason for many of the unique properties of water is:

Accepted Answer

A) dispersion forces. 
B) the ability to form hydrogen bonds. 
C) high surface tension and low volatility. 
D) moderate viscosity and expanding upon freezing. 
E) all of the above 
A) dispersion forces. 
B) the ability to form hydrogen bonds. 
C) high surface tension and low volatility. 
D) moderate viscosity and expanding upon freezing. 
E) all of the above

Question 17

Which intermolecular forces are found in CCL4?

Accepted Answer

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

Question 18

Compounds that are similar to water in molecular mass all exist as solids.

Accepted Answer

A) True 
 B)False

Question 19

The strength of the surface tension is inversely related to the strength of the intermolecular forces.

Accepted Answer

A) True 
 B)False

Question 20

What are the principal forces holding ice together?

Accepted Answer

A) dispersion forces only 
B) electrostatic attraction 
C) intermolecular forces 
D) sea of electrons 
E) none of the above 
A) dispersion forces only 
B) electrostatic attraction 
C) intermolecular forces 
D) sea of electrons 
E) none of the above

Which compound in liquid form will have the highest vapor pressure?

Which molecule below has hydrogen bonding?

Why is water considered an unusual molecule?

Which intermolecular force is the strongest?

Which substance is most likely to be miscible with water?

Intermolecular forces are responsible for:

Evaporation is an endothermic process.

Which sequence correctly shows the increasing density of the three phases of water?

Which statement about boiling point is FALSE?

How many kJ of heat are needed to completely melt 1.70 moles of H₂O,given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.

Viscosity increases with increased intermolecular force because the molecules attract each other strongly which hinders the flow.

The ability of sodium chloride to mix with water is most likely due to:

Liquids that are viscous flow more slowly than liquids that are not viscous.

The rate of vaporization of a liquid can be increased by: 1.increasing the surface area 2.increasing the temperature 3.increasing the strength of the intermolecular forces

The process of heating a pot of water from room temperature to boiling temperature is an exothermic process.

The reason for many of the unique properties of water is:

Which intermolecular forces are found in CCL₄?

Compounds that are similar to water in molecular mass all exist as solids.

The strength of the surface tension is inversely related to the strength of the intermolecular forces.

What are the principal forces holding ice together?

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Exam 12: Liquids, solids, and Intermolecular Forces

Which compound in liquid form will have the highest vapor pressure?

Which molecule below has hydrogen bonding?

Why is water considered an unusual molecule?

Which intermolecular force is the strongest?

Which substance is most likely to be miscible with water?

Intermolecular forces are responsible for:

Evaporation is an endothermic process.

Which sequence correctly shows the increasing density of the three phases of water?

Which statement about boiling point is FALSE?

How many kJ of heat are needed to completely melt 1.70 moles of H2O,given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.

Viscosity increases with increased intermolecular force because the molecules attract each other strongly which hinders the flow.

The ability of sodium chloride to mix with water is most likely due to:

Liquids that are viscous flow more slowly than liquids that are not viscous.

The rate of vaporization of a liquid can be increased by: 1.increasing the surface area 2.increasing the temperature 3.increasing the strength of the intermolecular forces

The process of heating a pot of water from room temperature to boiling temperature is an exothermic process.

The reason for many of the unique properties of water is:

Which intermolecular forces are found in CCL4?

Compounds that are similar to water in molecular mass all exist as solids.

The strength of the surface tension is inversely related to the strength of the intermolecular forces.

What are the principal forces holding ice together?

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

How many kJ of heat are needed to completely melt 1.70 moles of H₂O,given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.

Which intermolecular forces are found in CCL₄?