13-1: Solutions

Question 1

Solution

Answer 1

Homogeneous mixture, particles can’t be seen, uniform throughout.

Question 2

Solute

Answer 2

Substance being dissolved

Question 3

Solvent

Answer 3

Medium that dissolves something

Question 4

Solution example:

Gas in gas

Answer 4

Air (nitrogen and oxygen)

Question 5

Solution example:

Gas in liquid

Answer 5

Soda (carbon dioxide in water)

Question 6

Solution example:

Liquid in gas

Answer 6

Water droplets in air

Question 7

Solution example:

Liquid in liquid

Answer 7

Alcohol and water

Question 8

Solution example:

Solid in liquid

Answer 8

Salt OR sugar in water

Question 9

Solution example:

Solid in solid

Answer 9

Brass (metal alloys)

Question 10

Soluble

Answer 10

Capable of being dissolved

Question 11

solutions, size

Answer 11

(0.01- 1 nm in size)

Question 12

solutions, filtered?

Answer 12

can’t be filtered

Question 13

solutions, separate?

Answer 13

won’t separate upon standing (won’t settle to bottom)

Question 14

solutions, define

Answer 14

individual atoms, ions, and molecules dissolved in a solvent

Question 15

solutions, light?

Answer 15

light passes through, no Tyndall effect

Question 16

solutions, homo or hetero?

Answer 16

homogeneous

Question 17

solutions, examples

Answer 17

sugar in water, alcohol in water, NaCl in water

Question 18

colloids, size

Answer 18

(1 nm- 1000 nm)

Question 19

colloids, filtered?

Answer 19

pass through filter paper, *can’t be separated by filtration

Question 20

colloids, separate?

Answer 20

stay suspended by molecular motion of dispersing medium

Question 21

colloids, define

Answer 21

particles can’t be seen by the naked eye

Question 22

colloids, light?

Answer 22

show the Tyndall effect, scatter light

Question 23

colloids, homo or hetero?

Answer 23

mostly homogeneous (to naked eye), boardering heterogeneous

Question 24

colloids, examples

Answer 24

jello, fog, smoke

Question 25

***mixtures are categorized by ____

Answer 25

particle size

Question 26

Tyndall effect

Answer 26

light is scattered by colloid sized particles, making beams of light visible (i.e. high beams in fog)

Question 27

suspensions, size

Answer 27

>1000 nm

Question 28

suspensions, filtered?

Answer 28

easily filtered--- solute and separate solvent

Question 29

suspensions, separate?

Answer 29

large particles settle out and mixture separates upon standing

Question 30

suspensions, define

Answer 30

large molecules or clusters of matter

Question 31

suspensions, light?

Answer 31

varies

Question 32

suspensions, homo or hetero?

Answer 32

heterogeneous

Question 33

suspensions, examples

Answer 33

muddy water, sand in water, soup in water

Question 34

electrolytes, electricity?

Answer 34

conduct electricity in solution

Question 35

nonelectrolytes, electricity?

Answer 35

do NOT conduct electricity in solution

Question 36

electrolytes, dissolve to form _____

Answer 36

dissolve to form ions

Question 37

nonelectrolytes, dissolve to form _____

Answer 37

molecules

Question 38

electrolytes, typical of ____ compounds and ___

Answer 38

typical of soluble ionic compounds and acids

Question 39

nonelectrolytes, typical of ___ compounds

Answer 39

typical of covalent compounds (excluding acids)

Question 40

electrolytes, examples

Answer 40

tap water, sodium chloride in water, saliva, acetic acid

Question 41

nonelectrolytes, examples

Answer 41

distilled water, sugar in water, pure alcohol in water

Question 42

strong electrolytes:

Answer 42

almost all/ all of compound dissolves--- forms ion, compounds that ionize/ dissociate nearly 100% in solution, very good conductor

Question 43

weak electrolytes:

Answer 43

small amt. of solute dissolves into ions in solution, | poor conductors

Question 44

ionization:

Answer 44

molecules/ covalent compounds form ions in solution, | create ions when there were none

Question 45

covalent bonds- ___ to ___ compounds

Answer 45

nonmetal- nonmetal compounds

Question 46

alloy:

Answer 46

made by melting 2 or more elements (at least 1 is a metal), crystallizes when cooled

Question 47

electrolyte:

Answer 47

compound that conducts electricity and forms ions