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Water and Solutions

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Question
Answer
polar   describes a molecule with opposite charges on opposite ends  
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hydrogen bond   the intermolecular force orrurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule  
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cohesion   the forece that holdsmolecules of a single material together  
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adhesion   the attractive force between two bodies of different substances that are in contact with each other  
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capillarity   the attractin between molecules that resultes in the rise of a liquid in small tubes  
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solution   a homogeneous mixture throughout which two or more substances are uniformly dispersed  
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solute   in a solution, the substancethat dissolves in the solvent  
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solvent   in a solution, the substance in which the solute dissolves  
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concentration   the amount of a particular substance in a given quantity of a mixture, solution or ore  
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saturated solution   a solution that cannot dissolve any more solute under the given conditions  
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aqueous solution   a solution in which water is the solvent  
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hydroxide ion   the OH- ion  
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hydronium ion   an ion consisting of a proton combined with a molecule of water, H3O+  
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acid   any compound that increases the number of hydronium ions when disolved water; acids turn blue litmus paper red and react with bases and some metals to form salts  
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base   any compound that increases the number of hydroxide ions when dissolved in water; bases turn red litmus paper blue and react with acids to form salts  
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pH scale   a range of values that are used to express the acidity or alkalinity (basicity) of a system; each whole number on the scale indicates a tenfold change in acidity; a pH of 7 is neutral, a pH of less than 7 is acidic, and a pH of greater than 7 is basic  
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buffer   a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it  
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Created by: BarbaraC16
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