Chapter 2

Question 1

The ____ of an object is a measure of the space occupied by the object.

Answer 1

Volume

Question 2

An _______ _________ is a property that depends on the amount of matter in a sample.

Answer 2

Extensive property

Question 3

An _____ _______ is a property that depends of the type of matter in a sample, not the amount of matter.

Answer 3

Intensive property

Question 4

What is matter that has a uniform and definitive composition?

Answer 4

Substance

Question 5

Why does every sample of a substance have identical intensive properties?

Answer 5

Every sample has the same composition

Question 6

A _____ _______ is a quality or condition of a substance that can be observed or measures without changing the substance’s composition.

Answer 6

Physical property

Question 7

What are the three states of matter

Answer 7

Solid, liquid, and gas

Question 8

A _____ is a form of matter that has a definite shape and volume

Answer 8

Solid

Question 9

A ____ is a form of matter that has an indefinite shape, flows, yet has a fixed volume.

Answer 9

Liquid

Question 10

A ____ is a form of matter that take both the shape and volume of its container

Answer 10

Gas

Question 11

Are solids easily compressed?

Answer 11

No

Question 12

Are liquids easily compressed?

Answer 12

No

Question 13

Are gases easily compressed?

Answer 13

Yes

Question 14

What describes the gaseous state of a substance that is generally a liquid or solid at room temperature?

Answer 14

Vapor

Question 15

During a ______ ______, some properties of a material change, but the composition of the material does not change.

Answer 15

Physical change

Question 16

What kind of changes can be classified as reversible or irreversible?

Answer 16

Physical

Question 17

The ____ of an object is a measure of the amount of matter the object contains.

Answer 17

Mass

Question 18

All physical changes that involve a change from one state to another are what?

Answer 18

Reversible

Question 19

What is a physical blend of two or more components?

Answer 19

Mixture

Question 20

What is a mixture in which the composition is not uniform throughout?

Answer 20

Heterogeneous mixture

Question 21

What is a mixture in which the composition is uniform throughout?

Answer 21

Homogeneous mixture

Question 22

What is another name for a homogeneous mixture?

Answer 22

Solution

Question 23

What is used to describe any part of a sample with uniform composition and properties?

Answer 23

Phase

Question 24

Difference in ____ properties can be used to separate mixtures.

Answer 24

Physical

Question 25

What is the process that separates a solid from a liquid in a heterogeneous mixture?

Answer 25

Filtration

Question 26

What is the process in which a liquid is boiled to produce a vapor that is then condensed into a liquid?

Answer 26

Distillation

Question 27

What is the simplest form of matter that has a unique set of properties?

Answer 27

Element

Question 28

What is a substance that contains two or more elements chemically combined in a fixed proportion?

Answer 28

Compound

Question 29

What is a change that produces matter with a different composition than the original matter?

Answer 29

Chemical change

Question 30

If the composition of a material is fixed, the material is a what?

Answer 30

Substance

Question 31

If the composition of a material may very, the material is a what?

Answer 31

Mixture

Question 32

What is the ability of a substance to undergo a specific chemical change?

Answer 32

Chemical property

Question 33

What is when one or more substances change into one or more new substances?

Answer 33

Chemical reaction

Question 34

What is a substance present at the start of the reaction?

Answer 34

Reactant

Question 35

What is a substance produced in the reaction?

Answer 35

Product

Question 36

What are the possible clues that a chemical reaction has taken place?

Answer 36

Transfer of energy, change in color, production of a gas, the formation of a precipitate

Question 37

What is a solid that forms and settles out of a liquid mixture?

Answer 37

Precipitate

Question 38

The mass of the products is always what to the mass of the reactants?

Answer 38

Equal

Question 39

What does the law of conservation of mass state?

Answer 39

In any physical change or chemical reaction, mass is conserved. Mass is neither created nor destroyed.

Question 40

How often does a chemical change involve a transfer of energy?

Answer 40

Always