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Thermodynamics and Chemical Kinetics
How Solubility Depends on Free Energy
Description
Solubility depends on free energy changes when a solute dissolves in a solvent. The free energy change for this process is called the free energy of solution, ΔGsolution. When ΔGsolution is less than zero, solution formation is favorable. When it is greater than zero, solution formation is unfavorable.
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Transcript
Rappelons que la formation de la solution est régulée par l’entropie du mélange, ΔSmélange. L’énergie libre associée au mélange, le mélange ΔG, est exprimée en substituant le mélange ΔS dans l’équation de l’énergie libre de Gibbs.
Étant donné que le mélange ΔS...
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