Answer on Physical Chemistry Question for zameer
i) Integral enthalpy of solution
ii) Differential enthalpy of solution
iii) Enthalpy of dilution
II. Differential heat of solution is the partial derivative of the total heat of solution with respect to the molal concentration of one component of the solution, when the concentration of the other component or components, the pressure, and the temperature are held constant.
III. Enthalpy of dilution is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution. Enthalpy of dilution is most often expressed in kJ/mol at constant temperature. The energy change can be regarded as being made of three parts, the endothermic breaking of bonds within the solute and within the solvent, and the formation of attractions between the solute and the solvent. An ideal solution has an enthalpy of solution of zero.
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Be careful using the word "bonds" when talking about mixing/solutions. No chemical (i.e., ionic/covalent) bonds are being made or broken in such processes (except when dissolving ionic solids). Rather, only inter-molecular "bonds" (H-bonds, dipole forces) are being made or broken in such processes.