Download Chemistry of Life

Chemistry of Life
 Cohesion: is an attraction between
molecules of the same substance.
 Cohesion: is an attraction between
molecules of the same substance.
 Water is extremely cohesive because of
hydrogen bonding
 Cohesion: is an attraction between
molecules of the same substance.
 Water is extremely cohesive because of
hydrogen bonding
 Adhesion: is an attraction between
molecules of different substances
 Adhesion: is an attraction between
molecules of different substances
 When water sticks to the side of a cup
or straw (This is because the adhesion
of water and glass is stronger than the
cohesion of water and water)
 Solution: a liquid mixture in which a
solute is mixed into a solvent
 Solution: a liquid mixture in which a
solute is mixed into a solvent
 Solute: a substance that is mixed and
dissolved
 Solution: a liquid mixture in which a
solute is mixed into a solvent
 Solute: a substance that is mixed and
dissolved
 Solvent: the substance in which the
solute dissolves in
VENT
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VENT
SOLVENT
SOLUTE
SOLVENT
SOLVENT
SOLUTE
SOLVENT
SOLUTE
SOLVENT
SOLUTE
SOLUTION
 pH Scale: a measurement system use to
indicate the concentration of H+ ions
in a solution (0-14 scale, 7 is water and
neutral)
 pH Scale: a measurement system use to
indicate the concentration of H+ ions
in a solution (0-14 scale, 7 is water and
neutral)
 Acids: Solutions containing higher H+
ions, pH value below a 7
 pH Scale: a measurement system use to
indicate the concentration of H+ ions
in a solution (0-14 scale, 7 is water and
neutral)
 Acids: Solutions containing higher H+
ions, pH value below a 7
 Bases: Solution containing lower H+
ions, pH value above 7