Chemical Measurements Flashcards
(49 cards)
1
Q
powers of ten
A
orders of magnitude
2
Q
the French System International of Units
A
SI Units, base units, fundamental units
3
Q
standards of mass, length and time
A
meter, kilogram and second
4
Q
frequency
A
hertz, Hz
5
Q
force
A
newton, N
6
Q
pressure
A
pascal, Pa, N/m^2
7
Q
energy, work, quantity of heat
A
joule, J, N*m
8
Q
power, radiant flux
A
watt, W, J/s
9
Q
quantity of electricity, electric charge
A
coulomb, C
10
Q
electric potential, potential difference, electromotive force
A
volt, V, W/A
11
Q
electric resistance
A
ohm, Ω
12
Q
10^24
A
yotta, Y
13
Q
10^21
A
zetta, Z
14
Q
10^18
A
exa, E
15
Q
10^15
A
peta, P
16
Q
10^12
A
tera, T
17
Q
10^9
A
giga, G
18
Q
10^6
A
mega, M
19
Q
10^3
A
kilo, k
20
Q
10^2
A
hector, h
21
Q
10^1
A
deca, da
22
Q
10^-1
A
deci, d
23
Q
10^-2
A
centi, c
24
Q
10^-3
A
milli, m
25
10^-6
micro, mu
26
10^-9
nano, n
27
10^-12
pico, p
28
10^-15
femto, f
29
10^-18
atto, a
30
10^-21
zepto, z
31
10^-24
yocto, y
32
minor species in a solution
solute
33
major species in a solution
solvent
34
how much solute is in a given volume or mass
concentration
35
number of moles per liter of solution
molarity, M
36
Avogadro's number of atoms/molecules/ions
mole, 6.022 x 10^-23 1/mole
37
the number of grams containing Avogadro's number of atoms
atomic mass
38
the sum of atomic masses of the atoms in the molecule
molecular mass
39
mostly dissociated into ions in solution
strong electrolyte
40
partially dissociated into ions in solution
weak electrolyte
41
concentration of something dissociated into solution
formal concentration, F
42
molecular mass of a strong electrolyte
formula mass, FM
43
number of moles per kilogram of solvent
molality, m
44
mass of solute/mass of solution x 100
weight percent, wt%
45
volume of solute/volume of solution x 100
volume percent, vol%
46
mass per unit volume
density
47
mass substance/mass sample x 10^6
parts per million, ppm
48
mass substance/mass sample x 10^9
parts per billion, ppb
49
if a system at equilibrium is disturbed, the direction to which the system proceeds, is such that the disturbance is partially upset
Le Chatelier's Principle