Question

17. a) Derive Gibbs adsorption isotherm and explain surface excess​

Answer 1

Answer:

Location of surface and defining surface excess. Location of surface. Definition of surface excess. Relative surface excess. Derivation of the Gibbs adsorption equation. Relation between surface tension and the surface excess concentration. Gibbs equation for electrolyte adsorption. Gibbs isotherm for ionic surfactants.