Page 24 - Physical chemistry understanding our chemical world
P. 24
List of Symbols
Symbols for variables E O,R electrode potential for the couple
O + ne = R
−
O
E O,R standard electrode potential for the
a Activity −
couple O + ne = R
a van der Waals constant
E (LHS) electrode potential of the negative
A optical absorbance
electrode in a cell
A Area
E (RHS) electrode potential of the positive
b van der Waals constant electrode in a cell
B virial coefficient
f fugacity
c concentration
f frequency
c the intercept on the y-axis of a graph F force
c constant of proportionality G Gibbs function
C virial coefficient G change in Gibbs function
C heat capacity G O standard Gibbs function
C p heat capacity determined at constant G ‡ Gibbs function of activation
pressure h height
heat capacity determined at constant
C V
H enthalpy
volume
H change in enthalpy
E energy
H (ads) enthalpy of adsorption
E potential O
H standard enthalpy
activation energy
E a
H BE bond enthalpy
electron affinity
E (ea)
H c enthalpy of combustion
junction potential
E j
H f enthalpy of formation
potential of a battery or cell when ‡
E (load)
H enthalpy of activation
passing a current
I electrical current
emf potential of a cell, determined at zero
I intensity of light following absorption
current