Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > Chapter 2 - Matter and Change > Flashcards

Chapter 2 - Matter and Change Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
0
Q

what is volume

A

a measure of the space occupied by the object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is mass

A

a measure of the amount of matter the object contains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is extensive property

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

intensive property

A

a property that depends on the type of matter in a sample

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

substance

A

matter that has a uniform and definite composition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

physical property

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

solid

A

a form of matter that has a definite shape and volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

liquid

A

a form of matter that has a definite shape, flows, yet has a fixed volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

gas

A

a form of matter that takes both the shape and volume of its container

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

vapor

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

physical change

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are properties used to describe matter?

A

extensive or intensive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Since every sample of a substance has the same composition?

A

every sample has identical intensive properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

three states of matter

A

solid
liquid
gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How can you classify physical change?

A

reversible or irreversible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a mixture

A

a physical blend of two or more components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How can mixtures be classified based on the distribution of their components?

A

heterogeneous or homogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

heterogeneous mixture

A

a mixture in which the composition is not uniform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

homogeneous mixture

A

mixture in which the composition is uniform throughout

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

another name for homogeneous mixture

A

solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

phase

A

any part of a sample with uniform composition and properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What can differences in physical properties be used for?

A

separating mixtures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

filtration

A

the process that separates a solid from the liquid in a heterogeneous mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

distillation

A

liquid is boiled to produce vapor that is then condensed into liquid to separate water from other components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

element

A

the simplest form of matter that has a unique set of properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

compound

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Which can be broken down into simpler substances by chemical means? compounds or elements

A

compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

chemical change

A

a change that produces matter with a different composition than the original matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

if the composition is fixed the material is

A

substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

if the composition of the material may vary, it is

A

a mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

why do chemists use chemical symbols and chemical formulas

A

to represent elements

to represent compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

each element is represented by a one or two letter.

A

chemical symbol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

the ability of a substance to undergo a specific chemical change

A

chemical property

33
Q

during a chemical change, the composition of matter…

A

always changes

34
Q

what is another name for chemical change

A

chemical reaction

35
Q

what happens in a chemical reaction

A

one or more substances change into one or more new substances

36
Q

reactant

A

substance present at the start of the reaction

37
Q

product

A

a substance produced in the reaction

38
Q

clues to chemical change

A

transfer of energy
change in color
production of gas
formation of precipitate

39
Q

precipitate

A

a solid that forms and settles out of a liquid mixture

40
Q

during any chemical reaction, the mass of the products is

A

always equal to the mass of the reactants

41
Q

law of conservation of mass

A

in any physical change or chemical reaction, mass is conserved

42
Q

H

A

Hydrogen

43
Q

He

A

Helium

44
Q

Li

A

Lithium

45
Q

Be

A

Beryllium

46
Q

B

A

Boron

47
Q

C

A

Carbon

48
Q

N

A

Nitrogen

49
Q

O

A

Oxygen

50
Q

F

A

Fluorine

51
Q

Ne

A

Neon

52
Q

Helium

A

He

53
Q

Fluorine

A

F

54
Q

Nitrogen

A

N

55
Q

Boron

A

B

56
Q

Lithium

A

Li

57
Q

Neon

A

Ne

58
Q

Oxygen

A

O

59
Q

Carbon

A

C

60
Q

Beryllium

A

Be

61
Q

Hydrogen

A

H

62
Q

what are physical properties

A 
boiling and melting points
hardness
color
conductivity
malleability
state
63
Q

arrangement of particles in a solid

A

packed closely together in a rigid arrangement

64
Q

arrangement of particles in a liquid

A

close together, but free to flow past one another

65
Q

particle arrangement in a gas

A

relatively far apart and can move freely

66
Q

example of an irreversible physical change

A

cutting hair
filing nails
cracking egg

67
Q

example of reversible physical change

A

melting

68
Q

What temperature does water boil at?

A

100 degrees C

69
Q

What temperature does water freeze at?

A

0 degrees C

70
Q

How can mixtures be separated?

A

distillation and filtration

71
Q

examples of extensive properties

A 
length
size
energy
mass
volume
72
Q

examples of intensive properties

A 
temperature
hardness
density
mass/volume
viscosity
melting point
boiling point
73
Q

Which state of matter is compressible?

A

gas

74
Q

What does distillation do?

A

separates homogeneous mixtures using boiling

75
Q

property of compounds

A

compounds will not always carry the same properties and characteristics of their elements

76
Q

what is a transfer of energy

A

release or absorb energy

77
Q

what is matter

A

anything that has mass and takes up space

78
Q

how to figure out if something is a substance or a mixture?

A

if there are different types of it, it is a mixture

79
Q

words that signify a chemical change

A

burn, rot, rust, decompose, ferment, explode, corrode

80
Q

every chemical change involves….

A

a transfer of energy

Chemistry (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions