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8 Cards in this Set
- Front
- Back
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polarity
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uneven distribution of electrons in a molecule
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adhesion
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an attraction between molecules of different substances
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cohesion
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an attraction between molecules of the same substance
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hydrogen bond
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the positive hydrogen atom in a water molecule attracts the negative oxygen atom of another water molecule
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solution
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a type of mixture in which all the components are evenly distributed throughout the solution
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buffers
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weak acids or bases that can react with strong acids of bases to prevent sharp, sudden changes in pH
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acid
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any compound that forms H+ ions in solution. Has pH values below 7.Acidic solutions have higher concentrations of H+ ions than pure water.
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base
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compound that produces hydroxide ions (OH- ions) in solution. Has pH values above 7. Basic solutions have lower concentrations of H+ ions than pure water.
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