Brainscape's Knowledge GenomeTM

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


See full index

CHM 151 > CHAPTER 1 Essential Ideas > Flashcards

CHAPTER 1 Essential Ideas Flashcards

1
Q

how closely a measurement aligns with a correct value

A

accuracy

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

smallest particle of an element that can enter into a chemical combination

A

atom

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

unit of temperature; water freezes at 0C and boils at 100C on this scale

A

Celsius(*C)`

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

change producing a different kind of matter from the original kind of matter

A

chemical change

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

behavior that is related to the change of one kind of matter into another kind of matter

A

chemical property

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

study of the composition, properties, and interactions of matter

A

chemistry

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

pure substance that can be decomposed into two or more elements

A

compound

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

volume of a cube with an edge length of exactly 1 cm

A

cubic centimeter (cm^3 or cc)

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

SI unit of volume

A

cubic meter (m^3)

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

ratio of mass to volume for a substance or object

A

density

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

(also, factor-label method) versatile mathematical approach that can be applied to computations ranging from simple unit conversions to more complex, multi-step calculations involving several different quantities

A

dimensional analysis

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

substance that is composed of a single type of atom; a substance that cannot be decomposed by a chemical change

A

element

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

number derived by counting or by definition

A

exact number

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

property of a substance that depends on the amount of the substance

A

extensive property

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

unit of temperature; water freezes at 32 *F and boils at 212 *F on this scale

A

Fahrenheit

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

state in which matter has neither definite volume nor shape

A

gas

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

combination of substances with a composition that varies from point to point

A

heterogeneous mixture

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

(also, solution) combination of substances with a composition that is uniform throughout

A

homogeneous mixture

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

tentative explanation of observations that acts as a guide for gathering and checking information

A

hypothesis

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

property of a substance that is independent of the amount of the substance

A

intensive property

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

SI unit of temperature; 273.15 K = 0 *C

A

kelvin (K)

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

standard SI unit of mass; 1 kg = approximately 2.2 pounds

A

kilogram (kg)

23
Q

statement that summarizes a vast number of experimental observations, and describes or predicts some aspect of the natural world

A

law

24
Q

when matter converts from one type to another or changes form, there is no detectable change in the total amount of matter present

A

law of conservation of matter

25
Q

measure of one dimension of an object

A

length

26
Q

state of matter that has a definite volume but indefinite shape

A

liquid

27
Q

(also, cubic decimeter) unit of volume; 1 L = 1,000 cm^3

A

liter (L)

28
Q

realm of everyday things that are large enough to sense directly by human sight and touch

A

macroscopic domain

29
Q

fundamental property indicating amount of matter

A

mass

30
Q

anything that occupies space and has mass

A

matter

31
Q

standard metric and SI unit of length; 1 m = approximately 1.094 yards

A

meter (m)

32
Q

realm of things that much too small to be sensed directly

A

microscopic domain

33
Q

1/1,000 of a liter; equal to 1 cm^3

A

mililiter(mL)

34
Q

matter that can be separated into its components by physical means

A

mixture

35
Q

bonded collection of two or more atoms of the same or different elements

A

molecule

36
Q

change in the state or properties of matter that does not involve a change in its chemical composition

A

physical change

37
Q

characteristic of matter that is not associated with any change in its chemical composition

A

physical property

38
Q

gaseous state of matter containing a large number of electrically charged atoms and/or molecules

A

plasma

39
Q

how closely a measurement matches the same measurement when repeated

A

precision

40
Q

homogeneous substance that has a constant composition

A

pure substance

41
Q

procedure used to ensure that calculated results properly reflect the uncertainty in the measurements used in the calculation

A

rounding

42
Q

path of discovery that leads from question and observation to law or hypothesis to theory, combined with experimental verification of the hypothesis and any necessary modification of the theory

A

scientific method

43
Q

SI unit of time

A

second (s)

44
Q

standards fixed by international agreement in the International System of Units (Le Systeme International d’Unites)

A

SI units (International System of Units)

45
Q

(also, significant digits) all of the measured digits in a determination, including the uncertain last digit

A

significant figures

46
Q

state of matter that is rigid, has a definite shape, and has a fairly constant volume

A

solid

47
Q

specialized language used to represent components of the macroscopic and microscopic domains, such as chemical symbols, chemical formulas, chemical equations, graphs, drawings, and calculations

A

symbolic domain

48
Q

intensive property representing the hotness or coldness of matter

A

temperature

49
Q

well-substantiated, comprehensive, testable explanation of a particular aspect of nature

A

theory

50
Q

estimate of amount by which measurement differs from true value

A

uncertainty

51
Q

standard of comparison for measurements

A

unit

52
Q

ratio of equivalent quantities expressed with different units; used to convert from one unit to a different unit

A

unit conversion factor

53
Q

amount of space occupied by an object

A

volume

54
Q

force that gravity exerts on an object

A

weight

CHM 151 (4 decks)

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