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22 Cards in this Set
- Front
- Back
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Soluble means...
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capable of being dissolved
(Ex: sugar is soluble in water) |
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A ______ is a homogeneous mixture of two or more substances in a single ______
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solution , phase
Ex: salt and water (An alloy is a type of solid solution) |
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The dissolving medium in a solution is called the ______ and the substance that dissolves is called _______
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solvent , solute
Water= solvent Kool Aid powder= solute |
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A suspension is a
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heterogeneous mixture in which particles are large enough to settle out of the mixture
Ex: Italian salad dressing (Can be separated by filtering or centerfuging) |
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A colloid is a mixture
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that appears homogeneous, with particles of intermediate size that stay suspended.
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Tyndall effect can be used to distinguish between
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solutions and colloids
The Tyndall effect occurs when light is scattered by colloidal particles |
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An electrolye is a substance
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that dissolves in water to give a solution that will conduct electricity (it forms ions)
Ex: salt in gatorade |
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A nonelectrolye is a substance
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that dissolves in water to give a solution that does not conduct electricity
Ex: sugar and water |
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Intermolecular forces exist between
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particles in a solute. They also exist between particles in a solvent. In addition, the solute and solvent particles have an attraction for each other.
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Factors affecting the rate at which a solute dissolves...
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stirring/agitation
increasing temperature increased surface area of solute |
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A _______ solution contains the maximum amount of ______
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saturated , solute
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If it dissolves immediately it is
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unsaturated
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If it drops to the bottom it is
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saturated
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If solution immediately crystallizes it is
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supersaturated
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An ______ solution contains less solute than the maximum amount
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unsaturated
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A supersaturated solution contains more ______ than it theoretically can hold at a given temerature
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solute
(typically made by adding solute to hot solvent and solwly cooling the solution) |
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When two liquids are soluble in each other, they are called _______
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miscible
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When two liquids are insoluble they are called
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immiscible
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Most gases ______ in solubility with increasing temperature
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decrease
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% by volume=
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volume solute
_____________ x 100 volume solution |
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Molarity is the number of ______ dissolved per _____ of SOLUTION
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moles , liter
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Molality is defined as the number of ______ of solute dissolved per ______ of SOLVENT
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moles , kilogram
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