Gibbs free energy of interaction

Minton and Sarof (1974) defined a new quantity, also referred to as the average Gibbs free energy of interaction, by the integral... 

The Gibbs free energy of solution is the difference between the Gibbs free energy of solvation of the solute in the solvent and any Gibbs free energy of interaction in the pure solute that are lost on dissolution, if it is a solid, a liquid, or a nondilute gas. 

With this interpretation of the surface tension in mind we immediately realize that 7 has to be positive. Otherwise the Gibbs free energy of interaction would be repulsive and all molecules would immediately evaporate into the gas phase. 

The equilibrium difference between the Gibbs free energies of interaction of an SWNT with its surroundings, in the solid phase and in the cluster volume or on... 

The thermodynamic parameters related to local minima and the transition state, which are responsible for the interaction between MeCNa" " (MeC) and water molecules, are given in Tables 21.1 and 21.2. Due to the well known nature of compensation effects the values of relative Gibbs free energy of interaction are much smaller than corresponding relative enthalpies. It is also expected that interaction of MeCNa+ and MeC Na with the first water molecule is larger than the interaction... 

Ignoring the contribution of the steric stabilization effect at this point, the total Gibbs free energy of interactions between an isolated pair of particles (AG) can be expressed as the sum of the Gibbs free energy of the van der Waals interaction [Eq. (2.9)] and the Gibbs free energy of the electrostatic interaction [e.g., Eq. (2.21)]. 

The Gibbs free energy of interactions between an isolated pair of particles (AG) for the colloidal system stabilized by both the electrostatic and steric interactions then can be expressed as... 

The reciprocal of the stabihty ratio (1/W) simply represents the fraction of collisions that effectively results in the formation of doublets. The larger the Gibbs free energy of interactions (AG), the larger the stability ratio (W). As a result, a more stable colloidal system is achieved. Under these circumstances, the particle flocculation rate can be written as... 

The standard thermodynamic data of formation of various hydrates were calculated from the Gibbs free energy of interaction AG with BaCl2 solution as follows ... 

Since the contribution to the combinatorial entropy of mixing in Equation (10.3) becomes negligible as the molecular mass of the components increases, the main consequence of the above treatment is that the miscibility of a polymer/polymer mixture is strictly dependent on the Gibbs free energy of interaction, expressed as segmental interaction parameter, which includes various contributions, such as those deriving from specific interactions, dispersive forces, and entropic effects. 

Here, V is the Gibbs free energy of interaction between two particles and dec = D + 2Rp is the center-to-center distance between two interacting particles. 

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