chem chapt 2 test

Question 0

A measure of the space occupied by a sample of matter

Answer 0

Volume

Question 1

A measure of the amount of matter that an object contains; the SI base unit is kilograms

Answer 1

Mass

Question 2

A property that depends on the amount of matter in a sample

Answer 2

Extensive property

Question 3

A property that depends on the type of matter in a sample, not the amount

Answer 3

Intensive property

Question 4

Matter that has a uniform and definite composition, either an element or a compound

Answer 4

Substance

Question 5

A quality or condition of a substance that can be observed or measured without changing the substance’s composition

Answer 5

Physical property

Question 6

Form of matter that has a definite shape and volume

Answer 6

Solid

Question 7

Form of volume that flows, has a fixed volume, and an indefinite shape

Answer 7

Liquid

Question 8

Form of matter that takes the shape and volume of its container, no definite shape or volume

Answer 8

Gas

Question 9

Describes the gaseous state of a substance that is generally liquid or solid at room temperature

Answer 9

Vapor

Question 10

A change during which some properties of a material change, but the composition does not change

Answer 10

Physical change

Question 11

A physical blend of two or more substances that are not chemically combined

Answer 11

Mixture

Question 12

A mixture that is not uniform in composition, components are not evenly distributed throughout the mixture

Answer 12

Heterogenous mixture

Question 13

A mixture that is uniform in composition, components are evenly distributed and not easily distinguished

Answer 13

Homogenous mixture

Question 14

Any part of a sample with a uniform composition and properties

Answer 14

Phase

Question 15

Simplest form of matter that has a unique set of properties

Answer 15

Element

Question 16

Contains two or more elements chemically combined into a fixed proportion

Answer 16

Compound

Question 17

Chemical or Physical Change? Boiling water

Answer 17

Physical

Question 18

Chemical or Physical Change? Frying an egg

Answer 18

Chemical

Question 19

Chemical or Physical Change? A rusting bicycle

Answer 19

Chemical

Question 20

Ability to stretch into a wire, ability to twist or bend

Answer 20

Ductility

Question 21

Chemical or Physical Property? Temperature

Answer 21

Physical

Question 22

Chemical or Physical Property? Sour taste

Answer 22

Physical

Question 23

Chemical or Physical Property? Dissolves in water

Answer 23

Physical

Question 24

Chemical or Physical Property? Flammable

Answer 24

Chemical

Question 25

Chemical or Physical Property? Malleable

Answer 25

Physical

Question 26

Ability to be hammered thin without breaking

Answer 26

Malleable

Question 27

Physical or Chemical Change? Paper burns

Answer 27

Chemical

Question 28

Physical or Chemical Change? Milk sours

Answer 28

Chemical

Question 29

Physical or Chemical Change? Pancakes cook

Answer 29

Chemical

Question 30

Physical or Chemical Change? Fireworks explode

Answer 30

Chemical

Question 31

Physical or Chemical Change? Paper towel absorbs water

Answer 31

Physical

Question 32

Physical or Chemical Change? Food is digested

Answer 32

Chemical

Question 33

Physical or Chemical Change? Heat changes water into steam

Answer 33

Physical

Question 34

Physical or Chemical Change? A piece of ice melts and reacts with sodium

Answer 34

Both

Question 35

Homogenous or Heterogenous? Salt water

Answer 35

Homogenous

Question 36

Homogenous or Heterogenous? Cake batter

Answer 36

Either is acceptable

Question 37

Homogenous or Heterogenous? Paint

Answer 37

Heterogenous

Question 38

Homogenous or Heterogenous? Cooking oil

Answer 38

Homogenous

Question 39

Element or Compound? Sodium

Answer 39

Element

Question 40

Element or Compound? Table sugar

Answer 40

Compound

Question 41

Element or Compound? Air

Answer 41

Neither, mixture

Question 42

What is redox a combination of? What is an acronym to help remember?

Answer 42

Oxidation + Reduction OIL RIG Oxidation is loss, reduction is gain (of electrons)

Question 43

Extensive or Intensive? Mass

Answer 43

Extensive

Question 44

Extensive or Intensive? Color

Answer 44

Intensive

Question 45

Extensive or Intensive? Density

Answer 45

Intensive

Question 46

Extensive or Intensive? Length

Answer 46

Extensive

Question 47

How is the periodic table organized?

Answer 47

Idk help we need to know this

Question 48

What is the term that distinguishes heterogenous from homogenous?

Answer 48

Idk help we need to know this

Question 49

Releases heat

Answer 49

Exothermic

Question 50

Absorbs heat

Answer 50

Endothermic