When a solute is dissolved in a solvent (such as water), the solute molecules become evenly distributed throughout the solvent. This process is known as solution.
The solute molecules interact with the solvent molecules, and as a result, the solvent molecules become more ordered around the solute molecules. This increases the overall energy of the system, and to compensate for this increase in energy, the solvent molecules will move towards the solute.
This movement of the solvent molecules towards the solute is known as solvent transport or solvent flow. It is driven by the concentration gradient of the solute, which is the difference in concentration of the solute between two points. The concentration gradient creates a thermodynamic driving force that causes the solvent to flow towards the solute, in order to achieve a state of equilibrium.
This process is known as diffusion, and it occurs not only in water but also in other solvents. It plays a crucial role in many biological and chemical processes, including the absorption of nutrients in the intestine, the movement of gases in the atmosphere, and the transport of chemicals in the environment.
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