Water and Solutions
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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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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