2-2 Properties Of Water

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11 terms · Chapter 2 The Chemistry Of Life, 2-2 Properties Of Water

Cohesion

Attraction between molecules of the same substance

Adhesion

Attraction between molecules of different substances; in plants, attraction between unlike molecules

Mixture

Material composed of two or more elements or compounds that are physically mixed together but not chemically combined

Solution

Mixture of two or more substances in which the molecules of the substances are evenly distributed

Solute

Substance that is dissolved in a solvent to make a solution

Solvent

Substance in which a solute is dissolved to form a solution

Suspension

Mixture of water and nondissolved materials

pH Scale

Measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14

Acid

Compound that forms hydrogen ions (H+) in solution

Base

Compound that produces hydroxide ions (OH+) in solution

Buffer

Weak acid or base that can react with strong acids or bases to help prevent sharp, sudden changes in pH

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