Brainscape's Knowledge GenomeTM

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


See full index

Chem > 2.3 Voc > Flashcards

2.3 Voc Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

measured in GRAMS

A

Mass

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

measured in LITERS

A

Volume

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

standard temperature and pressure is 273.17 Kelvin (also known as 0 Celsius) and 1 atmospheric pressure. STP is needed to use molar volume.

A

STP

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

1 mole of any gas occupies 22.4 Liters at STP.

A

Molar volume

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

digits in a value that indicate the accuracy of an initial measurement, and express the confidence we have in that measurement

A

Sig figs

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

a convenient method of writing very large or very small numbers

A

Scientific notation

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

refers to the species present in a substance: usually atoms,
molecules (covalent compounds), or formula units (ionic compounds)

A

Representative Particles

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

(M) the mass of a molecule, expressed in atomic mass units.

A

Molecular mass

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

the SI unit of amount of substance.

A

Mole

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

the volume of 1 mole of a gas at STP (standard temperature & pressure)

A

Molar Volume

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

the mass of one mole of a substance.

A

Molar mass

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

is the smallest unit of a non-molecular substance, such as an ionic compound

A

Formula unit

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

the average mass of one formula unit, measure in atomic mass units

A

Formula mass

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

a technique that is used to change the units of a quantity without changing the quantity’s value.

A

Dimensional analysis

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

is the ratio of the mass of a substance to its volume

A

Density

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

a ratio or fraction that is numerically equal to one, which is used to multiply or divide a quantity when converting from one unit to another.

A

Conversion factor

17
Q

states that any two samples of gas with an equal number of particles will have the same volume when they are held at the same pressure.

A

Avagrado hypothesis

18
Q

the number of atoms or molecules in a mole of a substance

A

Avagrados constant

19
Q

(amu) the SI unit of atomic and molecular mass.

A

Atomic mass unit

20
Q

the mass of an atom, expressed in atomic mass units (amu) or sometimes (u). We will use “amu” in class

A

Atomic mass

21
Q

a symbolic representation of an element or compound

A

Chemical Formula

22
Q

the reactant in a chemical reaction that limits the amount of product that is able to form.

A

Limiting reactant

23
Q

which states that atoms, and therefore mass, are neither created nor destroyed by chemical reactions.

A

Law of conservation of mass

24
Q

a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles

A

Mole ratio

25
Q

the calculation of quantities in chemical reactions

A

Stoichiometry

Chem (9 decks)

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