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Properties of Water
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What makes water so special?
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Properties of Water Polar Cohesion Surface Tension Adhesion
Capillary Action High Specific Heat Less Dense as a Solid Universal Solvent 1
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Water is Polar Oxygen has a partial (-) charge
Hydrogen has a partial (+) charge Causes water to be POLAR, like a magnet
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Covalent Bond vs. Hydrogen Bond
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Cohesion Water molecules attracted to each other creating surface tension 1
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Surface Tension The tightness across the surface of water caused by cohesion Makes the surface act like a solid 1
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Adhesion Water molecules are attracted to other substances such as glass, soil, and plant tissues 1
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Capillary Action VIDEO Ability of water to “climb” up against gravity
Results from Cohesion + Adhesion EX: Water moving up the roots to the top of the tree VIDEO 1
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High Specific Heat Amount of heat (energy) required to raise the temperature of water by 1⁰ C VIDEO WATER = 75°F BEACH = 200°F 1
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Water is Less Dense as a Solid
Water in a liquid state keeps rebonding and changing its shape Water in a solid states has a fixed shape with space in between making it less dense VIDEO 1
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Universal Solvent Water is a universal solvent because it dissolves more substances than any other liquid 1
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