Solutions Terms

Question 1

What is a homogeneous mixture

Answer 1

Two or more substances that are uniform throughout and dispersed at the ionic or molecular level

Question 2

What is concentration measured in

Answer 2

Molarity or molality

Question 3

What does [] stand for

Answer 3

Concentration

Question 4

What is a solute

Answer 4

The part being dissolved

Question 5

What is the solvent

Answer 5

The part that does the dissolving

Question 6

What is the universal solvent

Answer 6

Water

Question 7

What is suspension

Answer 7

A mixture that appears uniform while being stirred, but separates into different phases win agitation stops

Question 8

What is a colloid

Answer 8

A mixture containing particles larger than most molecules but smaller than 200 nm; Big enough to see, but too small to grab

Pieces are held in place and not separable, but not really mixed, can be any mixture of phases

Question 9

What is the Tyndall effect

Answer 9

The scattering of light rays by colloidal particles

Question 10

What is solubility

Answer 10

The maximum amount of solute that can dissolve in a certain amount of solvent at a given temperature

Question 11

If something dissolves is it soluble or insoluble

Answer 11

Soluble

Question 12

If something does not dissolve is it soluble or insoluble

Answer 12

Insoluble

Question 13

What does it mean if a liquid is miscible

Answer 13

Two liquids that will dissolve together

Question 14

What does it mean if two liquids are immiscible

Answer 14

They will not dissolve, visible layers

Question 15

Polar dissolves ______

Answer 15

Polar

Question 16

Nonpolar dissolves ______

Answer 16

Nonpolar

Question 17

What is an example of a concentrated solution

Answer 17

A large amount of salute is dissolved, 12 M HCl

Question 18

What is an example of a dilute solution

Answer 18

A small amount of solute, with a large amount of solvent, 1 M HCl

Question 19

What is a saturated solution

Answer 19

A solution that has dissolved in it all the solute you can normally hold, towel full of water

Question 20

What is a unsaturated solution

Answer 20

A solution that contains less solute than it can hold at a certain temperature and pressure

Question 21

What is a supersaturated solution

Answer 21

A solution that has more solute and then is present in there saturated solution, dropping towel

Question 22

What is the rate of solution

Answer 22

A measure of how fast a substance dissolves

Question 23

What are the four factors that affect the rate of solution

Answer 23

The smaller the size of particles, the faster the rate

stirring increases the rate

The more amount of solvent already dissolved, the slower the rate

Temperature

Question 24

What is effervescence

Answer 24

The escape of a gas from a solution, alka seltzer

Question 25

Memorize the temperature curve

Answer 25

Aight okay

Question 26

What does Colligative mean

Answer 26

Depending on the collection; a solution that depends only on the quantity of solute particles, not the kind of identity of them

Question 27

Is the role of electrolytes

Answer 27

Conduct electric impulses in your body

Question 28

What are electrolytes

Answer 28

Ionic compounds that dissociate into their respective ions (+ and - parts) and interfere with the solvent particles

Question 29

What are nonelectrolytes

Answer 29

Molecular compounds that do not dissociate. They dissolve as a whole molecule

Question 30

What is an example of an electrolyte

Answer 30

CaCl2 Ca+ , Cl- , Cl- i = 3

Question 31

What is an example of a nonelectrolyte

Answer 31

CH3OH i = 1

Question 32

What is the "i" value called

Answer 32

Van't Hoff Factor

Question 33

What is molarity

Answer 33

The number of moles of solute, divided by the number of liters of solvent

Question 34

What is molality

Answer 34

The number of moles of solute, divided by the number of kilograms of solvent

Question 35

What kind of electrolyte is HCl

Answer 35

A strong electrolytes

Question 35

What kind of electrolyte is distilled water

Answer 35

A nonelectrolyte

Question 36

What kind of electrolyte is tap water

Answer 36

A weak electrolyte

Question 37

What kind of electrolyte is sucrose in water

Answer 37

A nonelectrolyte

Question 38

What kind of electrolyte is acetic acid

Answer 38

A week electrolyte

Question 39

What kind of electrolyte is a NaCl

Answer 39

A strong electrolyte

Question 40

Is water polar or non polar

Answer 40

Polar

Question 41

What happens when you add more solute to an unsaturated solution

Answer 41

It dissolves

Question 42

What happenes when you add more solute to a saturated solution

Answer 42

Extra solute falls to the bottom

Question 43

What happenes when you add more solute to a super saturated solution

Answer 43

ALL extra solute falls to the bottom

Question 44

In solids, as temperature increases what does solubility do

Answer 44

Increase

Question 45

In gases, as temperature increases what does solubility do

Answer 45

Decreases

Question 46

In solids and liquids, as pressure increases what does solubility do

Answer 46

No effect

Question 47

In gases, as pressure increases what does solubility do

Answer 47

Increases

Question 48

Can stirring affect the saturation point

Answer 48

No, it only affects the rate

Question 49

What is dissociation

Answer 49

The dissolving into ions

Question 50

When adding ions into a solution what colligative properties change

Answer 50

Vapor pressure decreases, boiling point raises, freezing point decreases

Question 51

What is an emulsion

Answer 51

Colloid of 2 or more immiscible liquids

Question 52

What are some examples of emulsions

Answer 52

Mayonnaise, margarine, homogenized milk, paint

Question 53

If you spin milk at high velocities, what do you form

Answer 53

Colloid