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14 Cards in this Set
- Front
- Back
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dissociation
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separation of ions occurs when an ionic compound dissolves.
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net ionic equation
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includes only those comppounds and ions that undergo a chemical change in a reaction in an aqueous solution.
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spectator ions
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ions that do not take a part in a chemical reaction and are found in solution both before and after the reaction
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ionization
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ions are formed from solute molecules by the action of the solvent.
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hydronium ion
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H3O+ ion
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colligative properties
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properties that depend on the ocncentration of solute particles but do not on their identity.
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nonvolatile substance
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is one that has little tendency to become a gas under exitisting conditions.
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molar freezing point constant
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is the freezing point depression of the solvent in a 1-molal solution of a nonvolatile, nonelectrolyte solution.
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freezing point dpression
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is the difference between the freezing points of the pure solvent and a solution of a nonelectrolyte in that solvent, and it is directly proportional to the molal conentration of the solution.
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molal boiling point constant
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is the boiling point elevation of the solvent in a 1 molal slution of a nonvolatile, nonelectrolyte solution.
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boiling point elevation
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is the difference between the boiling points of the pure solvent and a nonelectrolyte solution of that solvent, and it is directly proportional to the molal concentration of that solution.
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semipermeable membrane
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allows the passage of some particles while blocking the passage of others.
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osmosis
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the movement of solvent through a semipermeable membrane from the side of lower solute concentration to the side of higher solute concentration.
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osmotic pressure
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is the external pressure that must be applied to stop osmosis.
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