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What occurs during dissolution?
Dissolution is the process where a solute in gaseous, liquid, or solid phase dissolves in a solvent to form a solution. Solubility is the maximum concentration of a solute that can dissolve in a solvent at a given temperature. The temperature of the system.
What speeds up the dissolution process?
Stirring a solute into a solvent speeds up the rate of dissolving because it helps distribute the solute particles throughout the solvent. For example, when you add sugar to iced tea and then stir the tea, the sugar will dissolve faster.
What is a dissolution equation?
When molecular compounds, such as sugar, dissolve in water, the individual molecules drift apart from each other. When ionic compounds dissolve, the ions physically separate from each other. We can use a chemical equation to represent this process—for example, with NaCl: NaCl(s) → Na+(aq) + Cl–(aq)
How do you know if a dissolution is exothermic or endothermic?
If more energy is released in making bonds than is used in breaking bonds, the overall process is exothermic, and ∆Hsol is negative. If more energy is used in breaking bonds than is released upon solute-solvent bond formation, then the overall process is endothermic, and ∆Hsol is positive.
Is dissolving salt in water an exothermic reaction?
This means just slightly more energy must be put into the solution than is released back into the solution; therefore dissolving table salt in water is endothermic. More energy is released into the solution than is required to pull apart the ions; therefore dissolving sodium hydroxide in water is exothermic.
What is the reverse process of endothermic?
An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.”