Ch. 12 & 13 Vocab

Question 1

A homogeneous mixture of two or more substances in a single phase

Answer 1

Solution

Question 2

The dissolving medium in a solution

Answer 2

Solvent

Question 3

The substance dissolved in a solution

Answer 3

Solute

Question 4

Particles in a solvent are too large that they settle out unless the mixture is constantly stirred or agitated

Answer 4

Suspension

Question 5

Particles that are intermediate in size between those and solutions and suspensions form mixtures known as…

Answer 5

Colloids

Question 6

A substance that dissolves in water to give a solution that conduct electric current

Answer 6

Electrolyte

Question 7

A substance that dissolves in water to give a solution that does not conduct an electric current

Answer 7

Non-electrolyte

Question 8

The physical state in which the opposing processes of the solution crystallization of a solute current equal rates

Answer 8

Solution equilibrium

Question 9

A solution that contains the maximum amount of dissolved solute

Answer 9

Saturated solution

Question 10

A solution that contains less solute in a saturated solution under the existing conditions

Answer 10

Unsaturated solution

Question 11

A solution that contains more dissolved solute any saturated solution contains under the same condition

Answer 11

Supersaturated solution

Question 12

The amount of that substance required to form a saturated solution with a specific amount of solvent at a specified temperature

Answer 12

Solubility

Question 13

Solution process with water is the solvent is referred to

Answer 13

Hydration

Question 14

Liquids that are not soluble in each other

Answer 14

Immiscible

Question 15

Liquids that dissolve freely in one another in any proportion

Answer 15

Miscible

Question 16

The solubility of a gas in a liquid is directly proportional to the partial pressure of that gas on the surface of the liquid

Answer 16

Henry’s law

Question 17

The rapid escape of a gas from a liquid in which it is dissolved

Answer 17

Effervescence

Question 18

A solute particles that are surrounded by a solvent molecules

Answer 18

Solvated

Question 19

The net amount of energy absorbed as heat by the solution with a specific amount of solute dissolves in a solvent

Answer 19

Enthalpy of solution

Question 20

A measure of the amount of solute in a given amount of solvent or solution

Answer 20

Concentration

Question 21

The number of moles of a solute in one liter of solution

Answer 21

Molarity

Question 22

The concentration of a solution expressed in moles of solute per kilogram of solvent

Answer 22

Molality

Question 23

The separation of ions that occurs when a ionic compound dissolves

Answer 23

Dissociation

Question 24

Includes only those compounds and ions that undergo a chemical change and a reaction in a aqueous solution

Answer 24

Net ionic equation

Question 25

Ions that do not take part in the typical reaction and are found in solution both before and after the reaction

Answer 25

Spectator ions

Question 26

Ions are formed from solute molecules by the action of the solvent in this process.

Answer 26

Ionization

Question 27

The H30 +ion is known as the...

Answer 27

Hydronium ion

Question 28

Any compound whose dilute aqueous solutions conduct electricity well

Answer 28

Strong electrolyte

Question 29

Any compound whose dilute aqueous solutions conduct electricity poorly

Answer 29

Weak electrolyte

Question 30

Properties that depend on the concentration of solute particles but not on their identity

Answer 30

Colligative properties

Question 31

One that has little tendency to become a gas under existing conditions

Answer 31

Nonvolatile substance

Question 32

The freezing point depression of a solvent in one molalsolution of a non-volatile, nonelectrolyte solute

Answer 32

Molal freezing point constant

Question 33

The difference between the freezing point of a pure solvent in the solution of a nonelectrolyte in that solvent, and it is directly proportional to the molal concentration of the solution

Answer 33

Freezing point depression

Question 34

The boiling point elevation of the solvent in a one molal solution of a non-volatile, nonelectrolyte solute

Answer 34

Molal boiling point constant

Question 35

The difference between the boiling points of the pure solvent in a non-electrolyte solution of that solvent, it is directly proportional to the molal concentration of the solution

Answer 35

Boiling point elevation

Question 36

Allows the passage of some particles while blocking the passage of others

Answer 36

Semi permeable membrane

Question 37

The movement of solvent through a semi permeable membrane from the side of lower solute concentration to the side of higher solute concentration

Answer 37

Osmosis

Question 38

The external pressure that must be applied to stop osmosis

Answer 38

Osmotic pressure

Question 39

Capable of being dissolved

Answer 39

Soluble