3 Matching Annotations
- May 2022
-
chem.libretexts.org chem.libretexts.org
-
When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute increases. As the kinetic energy of the gaseous solute increases, its molecules have a greater tendency to escape the attraction of the solvent molecules and return back to the gas phase.
When lines "go down", or solubility decreases as temperature increases, the substance is a gas over the temperature range.
Heat increase -> Kinetic energy increase of gas particles -> greater tendency to escape the solvent and become independent particles again
-
Figure 7.7.4
The flatter the line, the less temperature affects the solubility of the substance, like NaCl
-
Table 7.7.2
Higher numerical solubility value means that more of the solute is required to saturate the solvent. It means the substance is "less effective" at saturating the solvent
-