Test 1

Question 1

Solvent

Answer 1

The dissolver (usually water)

Question 2

Solute

Answer 2

The dissolved particles

Question 3

Solvation

Answer 3

The process of water dissolving an ionic substance by surrounding the cations with anions

Question 4

Electrolyte

Answer 4

Compound that conducts electricity when dissolved or melted

Question 5

Nonelectrolyte

Answer 5

Compound that does not conduct electricity when dissolved or melted

Question 6

All ionic compounds are…

Answer 6

Electrolytes (they produce ions)

Question 7

Most molecular compounds are…

Answer 7

Non electrolytes

Question 8

Ionic compounds with strong electrolytes are

Answer 8

Completely solvable

Question 9

Ionic compounds with weak electrolytes are

Answer 9

Slightly soluable

Question 10

Ionic compounds with nonelectrolytes

Answer 10

Don’t exist

Question 11

Molecular compounds with strong electrolytes are

Answer 11

Strong acids

Question 12

Molecular compounds with weak electrolytes are

Answer 12

Weak acids

Question 13

Molecular compounds with nonelectrolytes are

Answer 13

Most molecular compounds

Question 14

Surface tension

Answer 14

Inward pull of water molecules that tends to reduce he surface area of water

Question 15

Surfacent

Answer 15

Any substance that increases surface area of water (by disrupting hydrogen bonding)

Question 16

Vapor pressure

Answer 16

Force exerted by gas molecules escaping at the surface of a liquid

Question 17

Hydrogen bonding

Answer 17

Attraction between h and n, o, or f

Question 18

Hydrate

Answer 18

Ionic compound that has water in its structure

Question 19

Efflorescent hydrates

Answer 19

Have a high vapor pressure compared to the moisture in the air. Tend to lose water in the air.

Question 20

Hydroscopic hydrates

Answer 20

Have a low vapor pressure compared to the moisture in the air. Tend to absorb water from the air and get mushy.

Question 21

Dellquescent compounds

Answer 21

Extremely hygroscopic compound that becomes wet in air

Question 22

Water hydration of a substance

Answer 22

Water in a crystal is called the water of hydration or water of crystallizations

Question 23

Mixtures can be either

Answer 23

Homogeneous or heterogeneous

Question 24

Homogeneous mixtures are

Answer 24

Solutions

Question 25

Heterogenous mixtures are

Answer 25

Suspensions or colloids

Question 26

Suspensions

Answer 26

Mixtures from which some of the particles will slowly settle upon standing

Question 27

Colloids

Answer 27

Mixtures with particles that are of a size in between suspensions and solutions (smoke)

Question 28

Emulsions

Answer 28

Colloidal dispersions of liquids in liquids

Question 29

Tyndall effect

Answer 29

Reflection of light by particles suspended in a mixture

Question 30

Brownian motion

Answer 30

Movement of molecules that keeps particles from falling out of solution

Question 31

Soluability

Answer 31

Like dissolves like

Question 32

Water is polar and will dissolve

Answer 32

Ionic and polar compounds

Question 33

Oil is non polar and will dissolve

Answer 33

Non polar compounds

Question 34

Aqueous solution

Answer 34

Water that contains a dissolved substance