Question 1

Matching Questions
Match each term with its corresponding definition .
-hydrophobic

Accepted Answer

A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals 
A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals

Question 2

What is the freezing point depression of a sugar solution prepared by dissolving 375.00 g of sucrose (342.3 g/mol) in 1500.0 g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute)?

Accepted Answer

A)  1.36 °C 
B)  -1.36 °C 
C)  -1.86 °C 
D)  -0.465 °C 
A)  1.36 °C 
B)  -1.36 °C 
C)  -1.86 °C 
D)  -0.465 °C

Question 3

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water.
-500 mL of 0.0002 M iron(III) sulfate solution

Accepted Answer

A) 0.0002 
B) 0.0001 
C) 0.0003 
A) 0.0002 
B) 0.0001 
C) 0.0003

Question 4

How are the solubilities of gases (solutes) in liquids (solvents) affected by changing pressure?

Accepted Answer

A)  Gases are more soluble in liquids when the pressure is decreased. 
B)  Pressure has no effect on how soluble a gas is in a liquid. 
C)  Gases are less soluble in liquids when the pressure is increased. 
D)  Gases are more soluble in liquids when the pressure is increased. 
A)  Gases are more soluble in liquids when the pressure is decreased. 
B)  Pressure has no effect on how soluble a gas is in a liquid. 
C)  Gases are less soluble in liquids when the pressure is increased. 
D)  Gases are more soluble in liquids when the pressure is increased.

Question 5

Matching Questions
Match each term with its corresponding definition .
-hydrophilic

Accepted Answer

A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals 
A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals

Question 6

Matching Questions
Match each term with its corresponding definition .
-alloy

Accepted Answer

A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals 
A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals

Question 7

If the empirical formula is C₄H₃N and the molecular weight is 130 g/mole, then the molecular formula is ________.

Accepted Answer

A)  C16H₁₂N₄ 
B)  C12H9N3 
C)  C₄H₃N 
D)  C₈H₆N₂ 
A)  C16H₁₂N₄ 
B)  C12H9N3 
C)  C₄H₃N 
D)  C₈H₆N₂

Question 8

Ca2+ is expected to have a greater energy of hydration than K+.

Accepted Answer

A) True 
 B)False

Question 9

Situations of great disorder are said to have "high entropies."

Accepted Answer

A) True 
 B)False

Question 10

A 1.0 percent by mass of saline solution contains 1 g of NaCl plus 99 g of water.

Accepted Answer

A) True 
 B)False

Question 11

Match each mass of solute and molarity of the solution with its corresponding total volume of the solution.
-0.0510 M H?SO? solution containing 50.0 mg of solute

Accepted Answer

A) 2.0 L 
B) 1.20 L 
C) 0.99 L 
D) 10.0 mL 
A) 2.0 L 
B) 1.20 L 
C) 0.99 L 
D) 10.0 mL

Question 12

4.173 g of an organic compound (non-electrolyte) lowered the freezing point of 100.0 g of nitrobenzene by 2.6 °C. If the Kf of nitrobenzene is 8.1 °C∙ kg solvent/mol solute, the molecular mass of the non-electrolyte is ________.

Accepted Answer

A)  260 
B)  195 
C)  65 
D)  130 
A)  260 
B)  195 
C)  65 
D)  130

Question 13

Which of the following is not a solution?

Accepted Answer

A)  ice in water 
B)  vinegar in water 
C)  sugar in water 
D)  metal alloys 
A)  ice in water 
B)  vinegar in water 
C)  sugar in water 
D)  metal alloys

Question 14

25 mL of 0.2 M NaOH solution will neutralize 10 mL of 0.5 M HCl solution.

Accepted Answer

A) True 
 B)False

Question 15

Once the temperature of 100.°C is reached, liquid water spontaneously becomes a gas.

Accepted Answer

A) True 
 B)False

Question 16

The spherical structure of a soap molecule that is formed when soap molecules are in contact with water is called ________.

Accepted Answer

A)  detergent 
B)  hydrophobic end 
C)  hydrophilic end 
D)  micelle 
A)  detergent 
B)  hydrophobic end 
C)  hydrophilic end 
D)  micelle

Question 17

The bends, a condition encountered by divers, is attributed to the rapid depressurized escape of nitrogen from blood to form bubbles in the blood.

Accepted Answer

A) True 
 B)False

Question 18

Match the term with its corresponding definition
-buret

Accepted Answer

A) the point at which the number of moles of acid equal the number of moles of base 
B) a process used to find out when stoichiometrically equal quantities of an acid and a base neutralize each other 
C) a compound that is used to detect the end point of a titration by a color change 
D) a solution whose concentration is accurately known 
E) a piece of glassware through which a solution volume is accurately dispensed during neutralization 
A) the point at which the number of moles of acid equal the number of moles of base 
B) a process used to find out when stoichiometrically equal quantities of an acid and a base neutralize each other 
C) a compound that is used to detect the end point of a titration by a color change 
D) a solution whose concentration is accurately known 
E) a piece of glassware through which a solution volume is accurately dispensed during neutralization

Question 19

The solvent in a saline solution is water.

Accepted Answer

A) True 
 B)False

Question 20

The solute in a saline solution is ________.

Accepted Answer

A)  water 
B)  salt 
C)  the salt solution 
D)  One cannot say unless the exact concentration is known. 
A)  water 
B)  salt 
C)  the salt solution 
D)  One cannot say unless the exact concentration is known.

Matching Questions Match each term with its corresponding definition . -hydrophobic

What is the freezing point depression of a sugar solution prepared by dissolving 375.00 g of sucrose (342.3 g/mol) in 1500.0 g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute)?

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M iron(III) sulfate solution

How are the solubilities of gases (solutes) in liquids (solvents) affected by changing pressure?

Matching Questions Match each term with its corresponding definition . -hydrophilic

Matching Questions Match each term with its corresponding definition . -alloy

If the empirical formula is C₄H₃N and the molecular weight is 130 g/mole, then the molecular formula is ________.

Ca²⁺ is expected to have a greater energy of hydration than K⁺.

Situations of great disorder are said to have "high entropies."

A 1.0 percent by mass of saline solution contains 1 g of NaCl plus 99 g of water.

Match each mass of solute and molarity of the solution with its corresponding total volume of the solution. -0.0510 M H?SO? solution containing 50.0 mg of solute

4.173 g of an organic compound (non-electrolyte) lowered the freezing point of 100.0 g of nitrobenzene by 2.6 °C. If the Kf of nitrobenzene is 8.1 °C∙ kg solvent/mol solute, the molecular mass of the non-electrolyte is ________.

Which of the following is not a solution?

25 mL of 0.2 M NaOH solution will neutralize 10 mL of 0.5 M HCl solution.

Once the temperature of 100.°C is reached, liquid water spontaneously becomes a gas.

The spherical structure of a soap molecule that is formed when soap molecules are in contact with water is called ________.

The bends, a condition encountered by divers, is attributed to the rapid depressurized escape of nitrogen from blood to form bubbles in the blood.

Match the term with its corresponding definition -buret

The solvent in a saline solution is water.

The solute in a saline solution is ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 12: Solutions

Matching Questions Match each term with its corresponding definition . -hydrophobic

What is the freezing point depression of a sugar solution prepared by dissolving 375.00 g of sucrose (342.3 g/mol) in 1500.0 g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute)?

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M iron(III) sulfate solution

How are the solubilities of gases (solutes) in liquids (solvents) affected by changing pressure?

Matching Questions Match each term with its corresponding definition . -hydrophilic

Matching Questions Match each term with its corresponding definition . -alloy

If the empirical formula is C₄H₃N and the molecular weight is 130 g/mole, then the molecular formula is ________.

Ca2+ is expected to have a greater energy of hydration than K+.

Situations of great disorder are said to have "high entropies."

A 1.0 percent by mass of saline solution contains 1 g of NaCl plus 99 g of water.

Match each mass of solute and molarity of the solution with its corresponding total volume of the solution. -0.0510 M H?SO? solution containing 50.0 mg of solute

4.173 g of an organic compound (non-electrolyte) lowered the freezing point of 100.0 g of nitrobenzene by 2.6 °C. If the Kf of nitrobenzene is 8.1 °C∙ kg solvent/mol solute, the molecular mass of the non-electrolyte is ________.

Which of the following is not a solution?

25 mL of 0.2 M NaOH solution will neutralize 10 mL of 0.5 M HCl solution.

Once the temperature of 100.°C is reached, liquid water spontaneously becomes a gas.

The spherical structure of a soap molecule that is formed when soap molecules are in contact with water is called ________.

The bends, a condition encountered by divers, is attributed to the rapid depressurized escape of nitrogen from blood to form bubbles in the blood.

Match the term with its corresponding definition -buret

The solvent in a saline solution is water.

The solute in a saline solution is ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Ca²⁺ is expected to have a greater energy of hydration than K⁺.