Water Concept Map

Liquid water forms hydrogen bonds, is a solvent & forms ions, allowing a wide range of biochemical reactions WATER Special Properties of Water Water can dissociate into hydrogen (H+) & hydroxide (OH-)ions Polarity Hydrogen Bonding 1 Acid: more H+ ions Base: more OH- ions Hydrogen bonds don’t break too easily: it takes a lot of cooling to cause water to freeze, and a lot of heat to make it evaporate. Cohesion: water sticks to other water Universal Solvent: Water is polar & dissolves other polar solutes 2 Adhesion: water sticks to other things 1 High Specific Heat Capillary Action 2 High Heat of Evaporation 3 High Heat of Fusion 4 Density: expansion on freezing (makes ice float; fish don’t freeze)

Liquid water forms hydrogen bonds, is a solvent & forms ions, allowing a wide range of biochemical reactions WATER Special Properties of Water Water can dissociate into hydrogen (H+) & hydroxide (OH-)ions ______ ________ _______ 1 ____: more H+ ions ____: more OH- ions Hydrogen bonds don’t break too easily: it takes a ___ __ _____ to cause water to ______, and a ___ __ ____ to make it _________. ________: water sticks to other water _______ ______: Water is polar & dissolves other polar solutes 2 ________: water sticks to other things 1 High Specific Heat ________ ______ 2 High Heat of Evaporation 3 High Heat of Fusion 4 _______: expansion on freezing (makes ice float; fish don’t freeze)

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