DCE Chemistry Unit 9 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| solution | a homogeneous mixture that will not separate
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| suspension | a mixture in which some of the particles settle out slowly upon standing
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| solute | the dissolved particles in a solution; the part of the solution smaller in amount
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| solvent | the dissolving medium in a solution; the part of the solution larger in amount
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| mixture | a blend of two or more substances that are not chemically combined
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| alloy | a mixture of two or more elements, at least one of which is a metal
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| emulsion | a nonpolar substance held in suspension in a polar substance by a molecule that has both a polar and nonpolar end
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| electrolyte | a solution that will conduct electricity
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| non-electrolyte | a substance that will not conduct electricity when put in solution because it does not form ions
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| surfactant | a substance that interferes with the hydrogen bonding between water molecules and reduces surface tension
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| homogeneous mixture | a mixture that is uniform in composition, mixed evenly throughout
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| heterogeneous mixture | a mixture that is not uniform in composition, not mixed evenly throughout
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| miscible | two liquids that dissolve in each other in all proportions
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| immiscible | two liquids that do not dissolve in each other
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| solubility | the amount of substance that will dissolve in a given amount of solute at a specific temperature and pressure
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| insoluble | a substance that will not dissolve in a solute is said to be _________
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| saponifiation | the process of making soap
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| saturated solution | a solution in which the maximum amount of solute that can dissolve has been added to the solute
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| unsaturated solution | a solution in which less than the maximum amount of solute that can dissolve has been added to the solute
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| supersaturated solution | a temporary condition in which a solution contains more solute than the standard amount at a given temperature
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| colligative properties | properties that depend only upon the number of solute particles present
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| freezing point depresssion | the difference in temperature between the freezing point of the pure solvent and the freezing point of the solution (the solution will be lower)
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| colloid | a heterogeneous mixture that will not settle out when you stop stirring it
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| molarity | a measurement of the concentration of a solution (moles of solute per liter of solution)
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| parts per million | a way of expressing very dilute concentrations of substance; one part solute in 1 million parts of the solution
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| molality | a measurement of the concentration of a solution (moles of solute per kilogram of solvent)
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| percent by weight | a measurement of the concentration of a component in a mixture; the mass of a component divided by the total mass of the mixture, multiplied by 100%.
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| boiling point elevation | the difference in temperature between the boiling point of the pure solvent and the boiling point of the solution (the solution will be higher)
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| concentration | a measure of the amount of solute that is dissolved in a given quantity of solvent
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| aqueous solution | a solution made by dissolving a solute in water
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| soluble | a substance that will dissolve in a solute is said to be _________
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