Question 1

The dispersing medium in a colloid is analogous to the solvent in a solution.

Accepted Answer

A) True 
 B)False

Question 2

In the colloid known as mayonnaise,the dispersed phase is _____ .

Accepted Answer

A)  a gas 
B)  a liquid 
C)  a solid 
D)  unknown 
A)  a gas 
B)  a liquid 
C)  a solid 
D)  unknown

Question 3

Two solutions with concentrations of 2% sugar and 4% sugar,respectively,are separated by a semipermeable membrane.During osmosis,there is a net flow of

Accepted Answer

A)  sugar molecules from the concentrated to the dilute solution. 
B)  sugar molecules from the dilute to the concentrated solution. 
C)  water molecules from the concentrated to the dilute solution. 
D)  water molecules from the dilute to the concentrated solution. 
A)  sugar molecules from the concentrated to the dilute solution. 
B)  sugar molecules from the dilute to the concentrated solution. 
C)  water molecules from the concentrated to the dilute solution. 
D)  water molecules from the dilute to the concentrated solution.

Question 4

A solution is made by dissolving 5.84 grams of NaCl in enough distilled water to give a final volume of 1.00 L.What is the molarity of the solution?

Accepted Answer

A)  0.100 
B)  1.00 
C)  0.0250 
D)  0.400 
A)  0.100 
B)  1.00 
C)  0.0250 
D)  0.400

Question 5

You discover that your roommate has left a half-full bottle of cola on the kitchen counter without replacing the cap - AGAIN!.Not surprisingly,the cola is now flat (all carbonation is gone).Why did this happen?

Accepted Answer

A)  The solubility of the carbon dioxide gas in the cola has decreased due to it being left at a lower pressure. 
B)  Warm bottles of cola will lose their carbonation faster than cold ones,even if the lid had been left on. 
C)  Oxygen in the atmosphere reacts with the cola,eliminating the carbonation. 
D)  The solubility of the carbon dioxide gas diffuses through the wall of the bottle. 
A)  The solubility of the carbon dioxide gas in the cola has decreased due to it being left at a lower pressure. 
B)  Warm bottles of cola will lose their carbonation faster than cold ones,even if the lid had been left on. 
C)  Oxygen in the atmosphere reacts with the cola,eliminating the carbonation. 
D)  The solubility of the carbon dioxide gas diffuses through the wall of the bottle.

Question 6

All ionic compounds are soluble in water.

Accepted Answer

A) True 
 B)False

Question 7

Compared to pure water,a salt water solution will have a

Accepted Answer

A)  lower vapor pressure,freezing point and boiling point. 
B)  higher vapor pressure,freezing point and boiling point. 
C)  lower vapor pressure and freezing point and a higher boiling point. 
D)  higher freezing point and a lower vapor pressure and boiling point. 
A)  lower vapor pressure,freezing point and boiling point. 
B)  higher vapor pressure,freezing point and boiling point. 
C)  lower vapor pressure and freezing point and a higher boiling point. 
D)  higher freezing point and a lower vapor pressure and boiling point.

Question 8

The following equation can be used when C represents either a M or %(w/w)concentration.
CcVc = CdVd

Accepted Answer

A) True 
 B)False

The dispersing medium in a colloid is analogous to the solvent in a solution.

In the colloid known as mayonnaise,the dispersed phase is _____ .

Two solutions with concentrations of 2% sugar and 4% sugar,respectively,are separated by a semipermeable membrane.During osmosis,there is a net flow of

A solution is made by dissolving 5.84 grams of NaCl in enough distilled water to give a final volume of 1.00 L.What is the molarity of the solution?

You discover that your roommate has left a half-full bottle of cola on the kitchen counter without replacing the cap - AGAIN!.Not surprisingly,the cola is now flat (all carbonation is gone).Why did this happen?

All ionic compounds are soluble in water.

Compared to pure water,a salt water solution will have a

The following equation can be used when C represents either a M or %(w/w)concentration. C_cV_c = C_dV_d

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Exam 7: Solutions and Colloids

The dispersing medium in a colloid is analogous to the solvent in a solution.

In the colloid known as mayonnaise,the dispersed phase is _____ .

Two solutions with concentrations of 2% sugar and 4% sugar,respectively,are separated by a semipermeable membrane.During osmosis,there is a net flow of

A solution is made by dissolving 5.84 grams of NaCl in enough distilled water to give a final volume of 1.00 L.What is the molarity of the solution?

You discover that your roommate has left a half-full bottle of cola on the kitchen counter without replacing the cap - AGAIN!.Not surprisingly,the cola is now flat (all carbonation is gone).Why did this happen?

All ionic compounds are soluble in water.

Compared to pure water,a salt water solution will have a

The following equation can be used when C represents either a M or %(w/w)concentration. CcVc = CdVd

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

The following equation can be used when C represents either a M or %(w/w)concentration. C_cV_c = C_dV_d