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Aqueous Vocab

QuestionAnswer
Solute The substance dissolved in a solution.
Solvent The dissolving medium in a solution.
Solution A homogeneous mixture of two or more substances in a single phase.
Aqueous A solution in which the solvent is water.
Freezing Point depression the difference between the freezing points of a pure solvent and a solution of a nonelectrolyte in that solve; is directly proportional to the molal concentration of the solution.
Boiling Point elevation The difference between the boiling point of a pure solvent and a nonelectrolyte of that solvent, directly proportional to the molal concentration of the solution
Saturated a solution that contains the maximum amount of dissolved solute
Unsaturated a solution that contains less solute than a saturated solution under the existing conditions
Supersaturated a solution that contains more dissolved solute than a saturated solution contains under the same conditions
Distillation a method of separating mixtures based on differences in their volatilities in a boiling liquid mixture.
Filtering a device (usually a membrane or layer) that is designed to physically block certain objects or substances while letting others through.
Chromatography is the collective term for a set of laboratory techniques for the separation of mixtures.
Solubility the amount of a substance required to form a saturated solution with a specific amount of solvent at a specified temperature.
Mixture a blend of two or more kinds of matter, each of which retains its own identity and properties.
Homogeneous of the same or similar nature of kind
Heterogeneous not the same
Suspension A system in which microscopically visible particles are dispersed throughout a less dense liquid or gas from which they are easily filtered but not easily settled because of system viscocity or molecular interactions.
Colloid A system in which finely divided particles, which are approximately 10 to 10,000 angstroms in size, are dispersed whitin a continuous medium in a manner that prevents them from being filtered easily or settled rapidly.
Disassociation to remove from association
Electrolyte A chemical compuond that ionizes when dissolved or molten to produce an electrically conductive medium.
Nonelectrolyte A substance whose molecules in solution do not dissociate to ion and thus do not conduct an electric current.
Precipitate to cause a solid substance to be separated from a solution.
Ionic equation A chemical equation in which electrolytes are written as dissociated ions.
Molecular equation A Chemical equation in whichinoic compounds are written as natural.
Spectator ion An ion that serves to balance the electrical charges in a reaction environment without participating in product formation
Acid having a ph of less then 7
Base compounds whose aqueous solutions are characterized bya bitter taste, a slippery feel, the ability to turm litmus blue, and the ability to react with acids to form salts
Neutralization A chemical reaction whereby an acid and a base react to form a salt.
Oxidation The combustion of a substance with oxygen
Reduction a decrease in positive valence or an increase in negitive valence by the gaining of electrons
Molarity The molar concentration of a solution, usually expressed as the number of moles of solute per liter of solution
Molality The molar concentration of a solute, usually expressed as the number of moles of solute per 1000 grams of solvent.
Dilution the process of making weaker or less concentrated
Titration The process, operation, or method of determining the concentration of a substance in solution by adding to it a standard reagent of know concentration in carefully measured amounts until a reaction of definite and known proportion is completed, as shown
Concentration The amount of a specified substance in a unit amount of another substance.
Created by: FernandoF
 

 



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