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Chem-Module 11

QuestionAnswer
Solute The substance that is being dissolved
Solvent The substance that the solute is being dissolved into
Solution The result of mixing a solute and solvent together
Solubility The maximum amount of solute that can dissolve in a given amount of solvent.
Saturated solution A solution in which the maximum amount of solute has been dissolved.
Exothermic process A process that releases heat
Endothermic process A process that absorbs heat
Molality The number of moles of solute per kilogram of solvent.
Insoluble Unable to be dissolved
The _____ of any solute depends both on the ______ of the solute AND the _____ of the solvent. solubility, identity
Precipitation The process by which a solid solute leaves a solution and turns back into its solid phase
For solid solutes, solubility usually increases with increasing ______ temperature
The solubility of ______ solutes is not affected by temperature liquid
The solubility of gases __________ with increasing temperature decreases
Increasing pressure increases the solubility of _________ gases
Pressure does not affect the solubility of ______ or _____ liquids, solids
m= #moles solute//# kg solvent
Freezing-point depression When a solute is dissolved in a solvent, the solution always has a LOWER freezing point than the pure solvent
Boiling-point elevation When a solute is dissolved in a solvent, the boiling point of the resulting solution is HIGHER than that of the pure solvent
Created by: akikoandpoog