Page 27 - Physical chemistry understanding our chemical world

xxvi LIST OF SYMBOLS

Symbols for units IVF in vitro fertilization
LCD liquid crystal display
LHS left-hand side
A amp` ere
LUMO lowest unoccupied molecular
˚ A ˚ angstr¨ om, length of value 10 −10 m
orbital
(non-IUPAC)
MLCT metal-to-ligand charge transfer
5
bar standard pressure of 10 Pa
MRI magnetic resonance imaging
(non-SI unit)
NIR near-infra red
C coulomb
NMR nuclear magnetic resonance
◦
C centigrade (non-SI)
O general oxidized form of a redox
g gram
couple
Hz hertz
p mathematical operator,
J joule
− log [variable], so
K kelvin 10
+
pH =− log [H ]
10
kg kilogram
PEM proton exchange membrane
m metre
R general reduced form of a redox
mmHg millimetre of mercury (non-SI unit
couple
of pressure)
RHS right-hand side
mol mole
s.t.p. standard temperature and
N newton
pressure
Pa pascal
SAQ self-assessment question
s second (SI unit)
SCE saturated calomel electrode
S siemen
SCUBA self-contained underwater breathing
V volt
apparatus
W watt
SHE standard hydrogen electrode
yr year
SHM simple harmonic motion
ohm
SI Syst`eme Internationale
S N 1 unimolecular nucleophilic substitution
process
Acronyms and abbreviations
S N 2 bimolecular nucleophilic substitution
process
CT charge transfer
SSCE silver–silver chloride electrode
d differential operator (which never
TS transition state
appears on its own)
TV television
HOMO highest occupied molecular orbital
UPS UV-photoelectron spectroscopy
IQ intelligence quotient
UV ultraviolet
IR infrared
UV–vis ultraviolet and visible
IUPAC International Union of Pure and
XPS X-ray photoelectron spectroscopy
Applied Chemistry