Question 1

Identify the substance for which the most significant intermolecular force will be the dispersion force.

Accepted Answer

A)  NaCl 
B)  NH3 
C)  HCl 
D)  C3H8 
E)  (CH3)2CO 
A)  NaCl 
B)  NH3 
C)  HCl 
D)  C3H8 
E)  (CH3)2CO

Question 2

Adhesion is the tendency of a substance to interact with itself.

Accepted Answer

A) True 
 B)False

Question 3

Melting is always an endothermic reaction.

Accepted Answer

A) True 
 B)False

Question 4

A crystalline solid has a regular, repeating three-dimensional structure.

Accepted Answer

A) True 
 B)False

Question 5

_____ refers to an effect caused by an imbalance of forces on the atoms at the surface of a liquid.

Accepted Answer

The answer of _____ refers to an effect caused by...

Question 6

Hydrogen bonds are formed when hydrogen is bonded to a(n) _____ atom.

Accepted Answer

A)  sodium 
B)  chlorine 
C)  bromine 
D)  oxygen 
E)  iodine 
A)  sodium 
B)  chlorine 
C)  bromine 
D)  oxygen 
E)  iodine

Question 7

What is the energy change when 565 g of C2H5OH boil at its normal boiling point of 78.3°C? (ΔHvap for ethanol = 38.6 kJ/mol; molar mass of C2H5OH = 46.0 g/mol)

Accepted Answer

A)  396 kJ 
B)  302 kJ 
C)  119 kJ 
D)  474 kJ 
E)  124 kJ 
A)  396 kJ 
B)  302 kJ 
C)  119 kJ 
D)  474 kJ 
E)  124 kJ

Question 8

_____ is the tendency of a substance to interact with itself.

Accepted Answer

A)  Surface tension 
B)  Adhesion 
C)  Osmosis 
D)  Cohesion 
E)  Viscosity 
A)  Surface tension 
B)  Adhesion 
C)  Osmosis 
D)  Cohesion 
E)  Viscosity

Question 9

By looking at the periodic table, identify the atom that would experience the strongest dispersion force.

Accepted Answer

A)  N 
B)  O 
C)  Al 
D)  C 
E)  Cl 
A)  N 
B)  O 
C)  Al 
D)  C 
E)  Cl

Question 10

Which of the following elements will form a metallic solid in its solid state?

Accepted Answer

A)  O 
B)  S 
C)  Se 
D)  Cu 
E)  C 
A)  O 
B)  S 
C)  Se 
D)  Cu 
E)  C

Question 11

Considering the dispersion force, which of the following molecules is least likely to be a gas?

Accepted Answer

A)  calcium 
B)  neon 
C)  nitrogen 
D)  oxygen 
A)  calcium 
B)  neon 
C)  nitrogen 
D)  oxygen

Question 12

What is enthalpy of fusion? Provide an example.

Accepted Answer

Enthalpy of fusion (or heat of

Question 13

A solid with the characteristic properties of a metal is called a(n) _____ solid.

Accepted Answer

The answer of A solid with the characteristic properties of...

Question 14

ΔH will be negative for a solidification reaction.

Accepted Answer

A) True 
 B)False

Question 15

The element Ag will exist as a metallic solid in the solid state.

Accepted Answer

A) True 
 B)False

Question 16

Liquids form spheres in free fall or zero gravity. Which of the following is the reason for this behavior?

Accepted Answer

A)  liquid vapor pressure 
B)  surface tension 
C)  viscosity 
D)  low density 
E)  entropy 
A)  liquid vapor pressure 
B)  surface tension 
C)  viscosity 
D)  low density 
E)  entropy

Question 17

What is dispersion force? Explain.

Accepted Answer

Dispersion force is an intermolecular fo

Question 18

_____ is caused by the instantaneous position of an electron in a molecule, which temporarily makes that point of the molecule negatively charged and the rest of the molecule positively charged.

Accepted Answer

A)  Dipole-dipole interaction 
B)  Hydrogen bonding 
C)  Ionic bonding 
D)  Covalent bonding 
E)  Dispersion force 
A)  Dipole-dipole interaction 
B)  Hydrogen bonding 
C)  Ionic bonding 
D)  Covalent bonding 
E)  Dispersion force

Identify the substance for which the most significant intermolecular force will be the dispersion force.

Adhesion is the tendency of a substance to interact with itself.

Melting is always an endothermic reaction.

A crystalline solid has a regular, repeating three-dimensional structure.

_____ refers to an effect caused by an imbalance of forces on the atoms at the surface of a liquid.

Hydrogen bonds are formed when hydrogen is bonded to a(n) _____ atom.

What is the energy change when 565 g of C₂H₅OH boil at its normal boiling point of 78.3°C? (ΔH_vap for ethanol = 38.6 kJ/mol; molar mass of C₂H₅OH = 46.0 g/mol)

_____ is the tendency of a substance to interact with itself.

By looking at the periodic table, identify the atom that would experience the strongest dispersion force.

Which of the following elements will form a metallic solid in its solid state?

Considering the dispersion force, which of the following molecules is least likely to be a gas?

What is enthalpy of fusion? Provide an example.

A solid with the characteristic properties of a metal is called a(n) _____ solid.

ΔH will be negative for a solidification reaction.

The element Ag will exist as a metallic solid in the solid state.

Liquids form spheres in free fall or zero gravity. Which of the following is the reason for this behavior?

What is dispersion force? Explain.

_____ is caused by the instantaneous position of an electron in a molecule, which temporarily makes that point of the molecule negatively charged and the rest of the molecule positively charged.

What Is Chemistry

Measurements

Atoms, Molecules, and Ions

Chemical Reactions and Equations

Stoichiometry and the Mole

Gases

Energy and Chemistry

Electronic Structure

Chemical Bonds

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Filters

Exam 10: Solids and Liquids

Identify the substance for which the most significant intermolecular force will be the dispersion force.

Adhesion is the tendency of a substance to interact with itself.

Melting is always an endothermic reaction.

A crystalline solid has a regular, repeating three-dimensional structure.

_____ refers to an effect caused by an imbalance of forces on the atoms at the surface of a liquid.

Hydrogen bonds are formed when hydrogen is bonded to a(n) _____ atom.

What is the energy change when 565 g of C2H5OH boil at its normal boiling point of 78.3°C? (ΔHvap for ethanol = 38.6 kJ/mol; molar mass of C2H5OH = 46.0 g/mol)

_____ is the tendency of a substance to interact with itself.

By looking at the periodic table, identify the atom that would experience the strongest dispersion force.

Which of the following elements will form a metallic solid in its solid state?

Considering the dispersion force, which of the following molecules is least likely to be a gas?

What is enthalpy of fusion? Provide an example.

A solid with the characteristic properties of a metal is called a(n) _____ solid.

ΔH will be negative for a solidification reaction.

The element Ag will exist as a metallic solid in the solid state.

Liquids form spheres in free fall or zero gravity. Which of the following is the reason for this behavior?

What is dispersion force? Explain.

_____ is caused by the instantaneous position of an electron in a molecule, which temporarily makes that point of the molecule negatively charged and the rest of the molecule positively charged.

What Is Chemistry

Measurements

Atoms, Molecules, and Ions

Chemical Reactions and Equations

Stoichiometry and the Mole

Gases

Energy and Chemistry

Electronic Structure

Chemical Bonds

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Filters

What is the energy change when 565 g of C₂H₅OH boil at its normal boiling point of 78.3°C? (ΔH_vap for ethanol = 38.6 kJ/mol; molar mass of C₂H₅OH = 46.0 g/mol)