Chemical Equilibrium
5 terms
Debye–Hückel Limiting Law
Chemical Equilibrium
Dimensionless
The theoretical relation predicting activity coefficients of ions in very dilute solution from their charge and the ionic strength.
log γ = −A z² √I
Degree of Dissociation
Chemical Equilibrium
Dimensionless
The fraction of the original substance that has broken apart at equilibrium.
α = amount dissociated / initial amount
Dissociation Constant
Chemical Equilibrium
mol/L
The equilibrium constant for the breaking apart of a compound or complex into smaller species.
Kd = [A][B] / [AB]
Distribution Law
Chemical Equilibrium
Dimensionless
The principle that a solute distributes itself between two immiscible solvents in a constant ratio at fixed temperature.
K_D = C_organic / C_aqueous
Dynamic Equilibrium
Chemical Equilibrium
Dimensionless
An equilibrium in which opposing processes continue at the molecular level but at equal and opposite rates.
rate_forward = rate_reverse