Question 1

The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Accepted Answer

A) True 
 B)False

Question 2

Which one of the following substances crystallizes as a molecular solid?

Accepted Answer

A)  KI
B)  SiO2
C)  Sn
D)  CH3OH
E)  Al2(SO4) 3F) A) and B)
G) B) and D)

Question 3

Indicate all the types of intermolecular forces of attraction in CF4(g).

Accepted Answer

Question 4

How much enthalpy is necessary to heat 10.0 g of solid benzene (C6H6)at 0.0°C to benzene vapor at 100°C?

Accepted Answer

Question 5

Which one of the following substances should exhibit hydrogen bonding in the liquid state?

Accepted Answer

A)  SiH4
B)  H2
C)  H2S
D)  CH4
E)  CH3NH2F) B) and D)
G) B) and C)

Question 6

Arrange the following in order of increasing boiling point: RbCl, CH3Cl, CH3OH, CH4.

Accepted Answer

A)  CH3OH 3Cl 4
B)  CH3OH 4 3Cl 
C)  RbCl 3Cl 3OH 4
D)  CH4 3OH 3Cl 
E)  CH4 3Cl 3OH < RbClF) A) and E)
G) A) and D)

Question 7

Polyethylene plastic consists of long chains of carbon atoms, each of which is also bonded to hydrogens as shown below:  Water forms beads when placed on a polyethylene surface.Why?

Accepted Answer

Water is highly polar and poly...

Question 8

The most space efficient arrangement of spheres is found in which type(s) of atom arrangement? I.hexagonal close-packed
II.cubic close-packed
III.simple cubic
IV.body-centered cubic

Accepted Answer

A)  I only
B)  II only
C)  I and II
D)  IV only
E)  I, II, and IVF) B) and C)
G) A) and E)

Question 9

The boiling points of chloromethane (CH3Cl) and dichlormethane (CH2Cl2) are - 24 °C and 40.°C respectively.The boiling point of trichloromethane (CHCl3) is predicted to be:

Accepted Answer

A)  
B)  > 40.°C
C)  > - 24 °C and 
D)  - 24 °C
E)  40.°CF) C) and D)
G) C) and E)

Question 10

Which would have the stronger intermolecular forces of attraction HF or HCl?

Accepted Answer

The answer of Which would have the stronger intermolecular forces...

Question 11

The intermolecular forces present in CO include which of the following? I.dipole-dipole
II.ion-dipole
III.dispersion
IV.hydrogen bonding

Accepted Answer

A)  I, II, III, and IV
B)  I and III
C)  I, III, and IV
D)  I and II
E)  II and IVF) A) and C)
G) B) and E)

Question 12

Which of the following would be expected to have the highest vapor pressure at room temperature?

Accepted Answer

A)  ethanol, bp = 78°C
B)  methanol, bp = 65°C
C)  water, bp = 100°C
D)  acetone, bp = 56°CE) B) and D)
F) None of the above

Question 13

Use the following data to determine the molar heat of vaporization of chlorine.

Accepted Answer

A)  34,700 J
B)  21,900 J
C)  9.99 kJ
D)  712 J
E)  317 JF) All of the above
G) B) and D)

Question 14

Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 547 mmHg.(Given: The heat of vaporization of ethanol is 39.3 kJ/mol; the normal boiling point of ethanol is 78.3°C.)

Accepted Answer

A)  10.0°C
B)  69.9°C
C)  74.6°C
D)  76.5°C
E)  77.9°CF) A) and E)
G) None of the above

Question 15

Identify the dominant (strongest)type of intermolecular force present in NH3(l).

Accepted Answer

Question 16

Use the graph of vapor pressure to determine the normal boiling point of O2. 2.   A) 84 K B) 88 K C) 90 K D) 92 K E) O2 doesn't boil because it is always a gas." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  84 K
B)  88 K
C)  90 K
D)  92 K
E)  O2 doesn't boil because it is always a gas.F) A) and E)
G) A) and D)

Question 17

Indicate all the types of intermolecular forces of attraction in HF(l).

Accepted Answer

hydrogen b...

Question 18

MgO has the same crystal structure as NaCl, face-centered cubic.How many oxide ions surround each Mg2+ ion as nearest neighbors?

Accepted Answer

A)  4
B)  6
C)  8
D)  10
E)  12F) A) and E)
G) B) and E)

Question 19

Which of the following characteristics indicates the presence of weak intermolecular forces in a liquid?

Accepted Answer

A)  a low heat of vaporization
B)  a high critical temperature
C)  a low vapor pressure
D)  a high boiling point
E)  None of the above.F) A) and B)
G) C) and D)

Question 20

Indicate all the types of intermolecular forces of attraction in SO2(l).

Accepted Answer

dipole-dip...

Exam 11: Intermolecular Forces and Liquids and Solids

Use the graph of vapor pressure to determine the normal boiling point of O2.

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Which would have the stronger intermolecular forces of attraction HF or HCl?

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Identify the dominant (strongest)type of intermolecular force present in NH3(l).

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Indicate all the types of intermolecular forces of attraction in SO2(l).

Correct Answerverifieddipole-dip...View AnswerShow Answer

Which one of the following substances should exhibit hydrogen bonding in the liquid state?

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Arrange the following in order of increasing boiling point: RbCl, CH3Cl, CH3OH, CH4.

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Which of the following characteristics indicates the presence of weak intermolecular forces in a liquid?

Correct AnswerverifiedShow Answer

Indicate all the types of intermolecular forces of attraction in HF(l).

Correct Answerverifiedhydrogen b...View AnswerShow Answer

The most space efficient arrangement of spheres is found in which type(s) of atom arrangement? I.hexagonal close-packed II.cubic close-packed III.simple cubic IV.body-centered cubic

Correct AnswerverifiedShow Answer

Which one of the following substances crystallizes as a molecular solid?

Correct AnswerverifiedShow Answer

The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Correct AnswerverifiedShow Answer

Which of the following would be expected to have the highest vapor pressure at room temperature?

Correct AnswerverifiedShow Answer

The boiling points of chloromethane (CH3Cl) and dichlormethane (CH2Cl2) are - 24 °C and 40.°C respectively.The boiling point of trichloromethane (CHCl3) is predicted to be:

Correct AnswerverifiedShow Answer

Use the following data to determine the molar heat of vaporization of chlorine.

Correct AnswerverifiedShow Answer

Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 547 mmHg.(Given: The heat of vaporization of ethanol is 39.3 kJ/mol; the normal boiling point of ethanol is 78.3°C.)

Correct AnswerverifiedShow Answer

How much enthalpy is necessary to heat 10.0 g of solid benzene (C6H6)at 0.0°C to benzene vapor at 100°C?

Correct AnswerverifiedShow Answer

Polyethylene plastic consists of long chains of carbon atoms, each of which is also bonded to hydrogens as shown below: Water forms beads when placed on a polyethylene surface.Why?

Correct AnswerverifiedWater is highly polar and poly...View AnswerShow Answer

Indicate all the types of intermolecular forces of attraction in CF4(g).

Correct AnswerverifiedShow Answer

The intermolecular forces present in CO include which of the following? I.dipole-dipole II.ion-dipole III.dispersion IV.hydrogen bonding

Correct AnswerverifiedShow Answer

MgO has the same crystal structure as NaCl, face-centered cubic.How many oxide ions surround each Mg2+ ion as nearest neighbors?

Correct AnswerverifiedShow Answer

Use the graph of vapor pressure to determine the normal boiling point of O₂.

Correct Answer
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Identify the dominant (strongest)type of intermolecular force present in NH₃(l).

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Indicate all the types of intermolecular forces of attraction in SO₂(l).

Correct Answer
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dipole-dip...
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Arrange the following in order of increasing boiling point: RbCl, CH₃Cl, CH₃OH, CH₄.

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hydrogen b...
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The boiling points of chloromethane (CH₃Cl) and dichlormethane (CH₂Cl₂) are - 24 °C and 40.°C respectively.The boiling point of trichloromethane (CHCl₃) is predicted to be:

Correct Answer
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How much enthalpy is necessary to heat 10.0 g of solid benzene (C₆H₆)at 0.0°C to benzene vapor at 100°C?

Correct Answer
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Correct Answer
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Water is highly polar and poly...
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Indicate all the types of intermolecular forces of attraction in CF₄(g).

Correct Answer
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MgO has the same crystal structure as NaCl, face-centered cubic.How many oxide ions surround each Mg²⁺ ion as nearest neighbors?

Correct Answer
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