Water%20Post%20Winter%202009

Water%20Post%20Winter%202009 - Water X Cells . X Adult Body...

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Water X Essential to Life ! X Cells .............. X Adult Body ... X Brain ............. X Blood ............. X Lungs ............ } A 3% Water Loss = B A D . } A 10% Water Loss = Life Threatening ! H2O + Solvent X Solvent = Any Fluid in Which One or More Substances can be Dissolved. X Solvents = Like Dissolves Like ! Nail Polish ? X Water is a Bipolar Covalent Molecule ! X Polar - Hydrogens Tend to One Side - Lopsided ! Soap X O.K. So What About Soap ? Mom Says : Wash Your Hands They’re Dirty } Soap is Able to Remove Dirt ( Non-Polar Substance ) AND Dissolve in Water ? WHAT ? Adhesion / Cohesion X Adhesion = The Attraction Between 2 Dissimilar Substances. } Water Molecules are Highly Cohesive ! X Cohesion = Attraction Between Two Similar Substances. Cohesion Continued X Calorie = Amount of Energy Needed to Raise the Temperature of 1 Gram of Water by 1 E C. X Capillary Action = Movement of Water Against Gravity (or Laterally). } Caused by Cohesion
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Water%20Post%20Winter%202009 - Water X Cells . X Adult Body...

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