c = 2.99792458 x 108 m s-1 |
e = 1.6021773 x 10-19 C |
NA = 6.022137 x 1023 mol-1 |
h = 6.626076 x 10-34
J·s |
R (Rydberg) = 3.289842 x
1015 s-1 |
h·R = 2.1798742 x 10-18
J |
mp = 1.672623 x 10-27 kg |
mn = 1.674929 x 10-27 kg |
me = 9.109390 x 10-31 kg |
R = 0.0820578 Latm K-1 mol-1 = 8.31451 J K-1 mol-1 |
amu = 1.660540 x 10-27 kg |
|
1 atm = 760 torr =101,325 Pa |
1 J = 1 V C = 1 kg m2 s-2 |
1 N = 1 kg m s-2 |
|
|
|
|
|
|
ΔE = h ν |
λ ν = c |
1 Latm = 101.325 J |
qp = S.H. x mass x ΔT |
ΔG = ΔH - TΔS |
ΔGo = -RT lnKeq |
ΔGo = - nFEo |
ΔG = ΔGo + RT lnQ |
E=Eo-(RT/nF)lnQ (Nernst) |
RT/F = 0.025693 J C-1 |
Eo = Eo (cathode) - Eo (anode) |
F = 9.648531 x 104 C mol-1 |
PV = nRT |
R = 0.08206 L·atm |
R = 62.36 L·torr |
1 atm = 760 torr = 101,325 Pa |
STP = 1 atm & 0oC |
ΔE = q + W |
work = - PΔV |
ΔH = ΔE + PΔV |
1 calorie = 4.184 J |
H2O SH = 1 cal/goC |
qp (gained) = -qp (lost) |
qp = SH x mass x ΔT |
qv = Cv x ΔT |
oC = (oF-32)/1.8 |
oF = 1.8oC + 32 |
K = oC + 273.15 |
2.54 cm = 1 in |
5280 ft = 1 mile |
1.609 km = 1 mile |
22.4 L = molar volume @ STP |
mega |
M |
106 |
|
centi |
c |
10-2 |
|
nano |
n |
10-9 |
kilo |
k |
103 |
|
milli |
m |
10-3 |
|
pico |
p |
10-12 |
deci |
d |
10-1 |
|
micro |
µ |
10-6 |
|
Angstrom |
Å |
10-10 m |