Ch 3 - Water and its properties Chapter 3 (pages 46 54) The...

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Unformatted text preview: Water and its properties Chapter 3 (pages 46 54) The electron sharing continuum Tetrahedral Trigonal pyramidal Bent Bonding electrons Bonding + lone pair electrons Water is polar So what? H-bonding in water http://programs.northlandcollege.edu/biology/Biology1111/animations/hydrogenbonds.html Properties of water Clings to polar molecules Temperature stabilization Denser as a liquid than solid The solvent of life Cohesion Collectively, hydrogen bonds hold water molecules together, a phenomenon called cohesion Cohesion helps the transport of water against gravity in plants Adhesion is an attraction between different substances, for example, between water and plant cell walls Surface tension is a measure of how hard it is to break the surface of a liquid Surface tension is related to cohesion Stabilize ocean temperatures favorable environment for marine life Coastal areas have milder climates Organisms able to resist changes in their own temperature...
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Ch 3 - Water and its properties Chapter 3 (pages 46 54) The...

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