What intermolecular force(s) of interaction is(are) present between two molecules of dimethyl ether, CH3OCH3? I. London dispersion forces II. Dipole-dipole forces III. Hydrogen bonding

A) I only B) II only C) III only D) I and II E) All of these A) I only B) II only C) III only D) I and II E) All of these

Given the three statements below, pick the best answer. I. Dipole-dipole forces are the main intermolecular force for I - Br. II. O2 is a gas at room temperature because it is highly polarizable. III. London forces dominate the intermolecular forces for Br2.

A) only I is true B) only II is true C) only III is true D) II and III are true, I is false E) I and III are true, II is false A) only I is true B) only II is true C) only III is true D) II and III are true, I is false E) I and III are true, II is false

Given the three molecules listed below, which choice is best? I. CH3OH II. H2S III. CH3CH3

A) Hydrogen bonding is the dominant intermolecular force only for I. B) Hydrogen bonding is the dominant intermolecular force for I and II. C) Hydrogen bonding is the dominant intermolecular force for I, II, and III. D) Hydrogen bonding is not important for any of these molecules. E) None of these choices is correct. A) Hydrogen bonding is the dominant intermolecular force only for I. B) Hydrogen bonding is the dominant intermolecular force for I and II. C) Hydrogen bonding is the dominant intermolecular force for I, II, and III. D) Hydrogen bonding is not important for any of these molecules. E) None of these choices is correct.

Exam 11: Liquids and Solids

Exhibit 11-4 Consider Aluminum metal that crystallizes in a face centered cubic cell to answer the following problem(s). The atomic radius of an aluminum atom is 1.43 . One face of this unit cell is shown in the diagram below. -Refer to Exhibit 11-4. What is the density of this Aluminum solid? Molar Mass(Al) = 26.98 g/mol

(Multiple Choice)

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Question 41

Consider liquid state molecules on the submicroscopic scale. Which statement below is true regarding the relative magnitudes of the forces of attraction and forces of disruption among liquid molecules?

(Multiple Choice)

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Question 42

Pick the true statement below.

(Multiple Choice)

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Question 43

What intermolecular force(s) of interaction is(are) present between two molecules of dimethyl ether, CH₃OCH₃? I. London dispersion forces II. Dipole-dipole forces III. Hydrogen bonding

(Multiple Choice)

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Question 44

Given the three statements below, pick the best answer. I. Dipole-dipole forces are the main intermolecular force for I - Br. II. O₂ is a gas at room temperature because it is highly polarizable. III. London forces dominate the intermolecular forces for Br₂.

(Multiple Choice)

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Question 45

An atom sitting in the center position in a body-centered cubic cell is shared among how many cubes?

(Multiple Choice)

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Question 46

On the basis of intermolecular forces of attraction, rank the following three compounds in terms of increasing boiling point . CH₃CH₂OH, CH₃OCH₃ and CH₃CH₂CH₃

(Multiple Choice)

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Question 47

A metal that has a radius of 137 pm crystallizes in a body-centered cubic structure. What is the length of the edge of the unit cell in pm?

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Question 48

Exhibit 11-3 Consider the General Phase Diagram shown below to answer the following problem(s). -Refer to Exhibit 11-3. Which temperature-pressure point on this diagram represents conditions in which the solid phase is present in equilibrium with the liquid phase?

(Multiple Choice)

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Question 49

In a cubic array of atoms, how many unit cells share an atom in the center of a face?

(Multiple Choice)

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Question 50

Based upon an analysis of intermolecular forces of attraction among the compounds listed below, which substance would be expected to have the highest boiling point?

(Multiple Choice)

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Question 51

Which of the following substances have London Dispersion Forces of attraction? I. He II. CH₄ III. H₂O

(Multiple Choice)

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Question 52

What intermolecular force(s) of interaction is(are) possible for a molecule of NH₃shown below?

(Multiple Choice)

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Question 53

What is the most important intermolecular force in solid H₂O?

(Multiple Choice)

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Question 54

Exhibit 11-2 The phase diagram below is needed for the following question(s). Refer to Exhibit 11-2. At which of the lettered points on the phase diagram is more than one phase present?

(Multiple Choice)

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Question 55

If the energy of intermolecular attractions are much less than the average kinetic energy of the molecules, what is the physical state of the substance?

(Multiple Choice)

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Question 56

Given the three molecules listed below, which choice is best? I. CH₃OH II. H₂S III. CH₃CH₃

(Multiple Choice)

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Question 57

Which of the following molecules can form hydrogen bonds as a pure liquid?

(Multiple Choice)

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Question 58

What type of crystal forces hold the units together in solid gold?

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Question 59

A lithium fluoride crystal is classified as:

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Question 60

Showing 41 - 60 of 100

Exam 11: Liquids and Solids

Consider liquid state molecules on the submicroscopic scale. Which statement below is true regarding the relative magnitudes of the forces of attraction and forces of disruption among liquid molecules?

Pick the true statement below.

What intermolecular force(s) of interaction is(are) present between two molecules of dimethyl ether, CH3OCH3? I. London dispersion forces II. Dipole-dipole forces III. Hydrogen bonding

Given the three statements below, pick the best answer. I. Dipole-dipole forces are the main intermolecular force for I - Br. II. O2 is a gas at room temperature because it is highly polarizable. III. London forces dominate the intermolecular forces for Br2.

An atom sitting in the center position in a body-centered cubic cell is shared among how many cubes?

On the basis of intermolecular forces of attraction, rank the following three compounds in terms of increasing boiling point . CH3CH2OH, CH3OCH3 and CH3CH2CH3

A metal that has a radius of 137 pm crystallizes in a body-centered cubic structure. What is the length of the edge of the unit cell in pm?

Exhibit 11-3 Consider the General Phase Diagram shown below to answer the following problem(s). -Refer to Exhibit 11-3. Which temperature-pressure point on this diagram represents conditions in which the solid phase is present in equilibrium with the liquid phase?

In a cubic array of atoms, how many unit cells share an atom in the center of a face?

Based upon an analysis of intermolecular forces of attraction among the compounds listed below, which substance would be expected to have the highest boiling point?

Which of the following substances have London Dispersion Forces of attraction? I. He II. CH4 III. H2O

What intermolecular force(s) of interaction is(are) possible for a molecule of NH₃shown below?

What is the most important intermolecular force in solid H2O?

Exhibit 11-2 The phase diagram below is needed for the following question(s). Refer to Exhibit 11-2. At which of the lettered points on the phase diagram is more than one phase present?

If the energy of intermolecular attractions are much less than the average kinetic energy of the molecules, what is the physical state of the substance?

Given the three molecules listed below, which choice is best? I. CH3OH II. H2S III. CH3CH3

Which of the following molecules can form hydrogen bonds as a pure liquid?

What type of crystal forces hold the units together in solid gold?

A lithium fluoride crystal is classified as:

Introduction to Chemistry

Atoms, Molecules, and Ions

Equations, the Mole, and Chemical Formulas

Chemical Reactions in Solution

Thermochemistry

The Gaseous State

Electronic Structure

The Periodic Table: Structure and Trends

Chemical Bonds

Molecular Structure and Bonding Theories

Solutions

Chemical Kinetics

Chemical Equilibrium

Solutions of Acids and Bases

Reactions Between Acids and Bases

Chemical Thermodynamics

Electrochemistry

Transition Metals, Coordination Chemistry and Metallurgy

The Chemistry of Hydrogen, Elements in Groups 3A Through 6A, and the Noble Gases

Nuclear Chemistry

Organic Chemistry and Biochemistry

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What intermolecular force(s) of interaction is(are) present between two molecules of dimethyl ether, CH₃OCH₃? I. London dispersion forces II. Dipole-dipole forces III. Hydrogen bonding

Given the three statements below, pick the best answer. I. Dipole-dipole forces are the main intermolecular force for I - Br. II. O₂ is a gas at room temperature because it is highly polarizable. III. London forces dominate the intermolecular forces for Br₂.

On the basis of intermolecular forces of attraction, rank the following three compounds in terms of increasing boiling point . CH₃CH₂OH, CH₃OCH₃ and CH₃CH₂CH₃

Which of the following substances have London Dispersion Forces of attraction? I. He II. CH₄ III. H₂O

What is the most important intermolecular force in solid H₂O?

Given the three molecules listed below, which choice is best? I. CH₃OH II. H₂S III. CH₃CH₃