Question 1

Which intermolecular force is due to the formation of an instantaneous dipole?

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 2

Dipole-dipole forces are weaker than dispersion forces.

Accepted Answer

A) True 
 B)False

Question 3

How many kilojoules of heat are needed to completely vaporize 42.8 g of C4H10O at its boiling point?
Given ΔHvap = 26.5kJ/mol

Accepted Answer

A) 74.12 
B) 9.49 
C) 15.3 
D) 16.3 
E) none of the above 
A) 74.12 
B) 9.49 
C) 15.3 
D) 16.3 
E) none of the above

Question 4

Increasing the temperature increases the vaporization rate of a liquid because the excess energy is used to break covalent bonds.

Accepted Answer

A) True 
 B)False

Question 5

Intermolecular forces are the attractive forces between atoms within a compound.

Accepted Answer

A) True 
 B)False

Which intermolecular force is due to the formation of an instantaneous dipole?

Dipole-dipole forces are weaker than dispersion forces.

How many kilojoules of heat are needed to completely vaporize 42.8 g of C₄H₁₀O at its boiling point? Given ΔH_vap = 26.5kJ/mol

Increasing the temperature increases the vaporization rate of a liquid because the excess energy is used to break covalent bonds.

Intermolecular forces are the attractive forces between atoms within a compound.

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

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Exam 12: Liquids,solids,and Intermolecular Forces

Which intermolecular force is due to the formation of an instantaneous dipole?

Dipole-dipole forces are weaker than dispersion forces.

How many kilojoules of heat are needed to completely vaporize 42.8 g of C4H10O at its boiling point? Given ΔHvap = 26.5kJ/mol

Increasing the temperature increases the vaporization rate of a liquid because the excess energy is used to break covalent bonds.

Intermolecular forces are the attractive forces between atoms within a compound.

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 kilojoules of heat are needed to completely vaporize 42.8 g of C₄H₁₀O at its boiling point? Given ΔH_vap = 26.5kJ/mol