Chemical Equilibrium
4 terms
Activity
Chemical Equilibrium
Dimensionless
The effective concentration of a species, corrected for non-ideal interactions with its surroundings.
a = γ c / c°
Activity Coefficient
Chemical Equilibrium
Dimensionless
The factor by which a species' concentration must be multiplied to give its thermodynamic activity.
γ = a / c
Approach to Equilibrium
Chemical Equilibrium
s
The time-dependent process by which a reacting system moves towards its equilibrium composition.
Association Constant
Chemical Equilibrium
L/mol
The equilibrium constant for the combination of two species into a single associated entity, the reciprocal of the dissociation constant.
Ka = 1 / Kd