chapter 15 solutions review world of chemistry. question 1 a homogeneous mixture is called a...

Chapter 15 SolutionsREVIEW

World of Chemistry

Question 1

A homogeneous mixture is called a _________.

Question 1

A homogeneous mixture is called a ________.

SOLUTION

Question 2

The part of the solution in smaller portion (or that is being dissolved) is called the ________.

Question 2

The part of the solution in smaller portion (or that is being dissolved) is called the ________.

SOLUTE

Question 3

The part of the solution in larger portion (or that is doing the dissolving) is called the ________.

Question 3

The part of the solution in larger portion (or that is doing the dissolving) is called the _______.

SOLVENT

Question 4

A solution that can dissolve more solute, or has not reached its saturation point, is considered what type of solution?

Question 4

A solution that can dissolve more solute, or has not reached its saturation point, is considered what type of solution?

UNSATURATED

Question 5

A solution that has dissolved the maximum amount of solute is considered what type of solution?

Question 5

A solution that has dissolved the maximum amount of solute is considered what type of solution?

SATURATED

Question 6

A solution that has dissolved more than its maximum amount of solute due to heating it is considered what type of solution? (Hint: by agitating this solution, it will quickly crystallize)

Question 6

A solution that has dissolved more than its maximum amount of solute due to heating it is considered what type of solution? (Hint: by agitating this solution, it will quickly crystallize)

SUPERSATURATED

Question 7

Compounds that have two centers of charge are considered _______.

Question 7

Compounds that have two centers of charge are considered _______.

POLAR

Question 8

Which atom(s) in water has a partial (or small) amount of positive charge?

Question 8

Which atom(s) in water has a partial (or small) amount of positive charge?

HYDROGEN

Question 9

C20H41OH is polar because it contains what atom?

Question 9

C20H41OH is polar because it contains what atom?

OXYGEN

Question 10

Sugar will not dissolve in vegetable oil because vegetable oil is mostly ________.

Question 10

Sugar will not dissolve in vegetable oil because vegetable oil is mostly ________.

NONPOLAR

Question 11

Ionic compounds that are soluble in water dissolve by _________.

Question 11

Ionic compounds that are soluble in water dissolve by _________.

DISSOCIATION

Question 12

The ratio between solute to solution is called the __________ of a solution.

Question 12

The ratio between solute to solution is called the __________ of a solution.

CONCENTRATION

Question 13

Solutions with a large amount of solute to solution would be considered ________.

Question 13

Solutions with a large amount of solute to solution would be considered ________.

CONCENTRATED

Question 14

Solutions with a small amount of solute to solution would be considered ________.

Question 14

Solutions with a small amount of solute to solution would be considered ________.

DILUTE

Question 15

The number of moles of solute in 1 L of solution is called the _________.

Question 15

The number of moles of solute in 1 L of solution is called the _________.

MOLARITY

Question 16

Determining the percentage of solute by mass out of the total mass of a solution is called the __________.

Question 16

Determining the percentage of solute by mass out of the total mass of a solution is called the __________.

MASS PERCENT

Question 17

What is the equation for making a dilution from a stock solution?

Question 17

What is the equation for making a dilution from a stock solution?

M1V1=M2V2

Question 18

What is the concentration of a solution that contains 2moles of NaCl in 400mL?

Question 18

What is the concentration of a solution that contains 2moles of NaCl in 400mL?

5M

Question 19

How many mL are required of 0.2M NaCl to make a 100mL of a 0.075M NaCl solution?

Question 19

How many mL are required of 0.2M NaCl to make a 100mL of a 0.075M NaCl solution?

37.5mL

Question 20

What are most nonpolar compounds called when they only contain hydrogen and carbon atoms?

Question 20

What are most nonpolar compounds called when they only contain hydrogen and carbon atoms?

hydrocarbons

Question 21

These physical properties can change based on the number of solute particles in a solution.

Question 21

These physical properties can change based on the number of solute particles in a solution.

COLLIGATIVE PROPERTIES

Question 22

This colligative property explains why ice ream does not freeze at 32 deg C.

Question 22

This colligative property explains why ice ream does not freeze at 32 deg C.

FREEZING POINT DEPRESSION

Question 23

This colligative property explains why it is more dangerous to get burned by boiling water that has been treated with salt.

Question 23

This colligative property explains why it is more dangerous to get burned by boiling water that has been treated with salt.

BOILING POINT ELEVATION

Question 24

Name two things you do to a solution to help the solute dissolve faster

Question 24

Name two things you do to a solution to help the solute dissolve faster

HEAT IT AND STIR IT

Question 25

What is the mass percent of a water when 5g of water are dissolved in 95 grams of alcohol?

Question 25

What is the mass percent of a water when 5g of water are dissolved in 95 grams of alcohol?

5%