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Unformatted text preview: - many compounds dissolve in water (separate into ions ) ionic compounds : salts polar covalent compounds- Water is a polar molecule: the negative ends of water molecules are attracted to positively charged ions, and the positive ends of water molecules are attracted to negatively charged ions- Reactivity: water is an important reactant in many chemical reactions, used in the buildup & breakdown of organic macromolecules- Dehydration synthesis (condensation) reactions : formation of a bond with removal of water- Hydrolysis reactions : breaking of a bond by the addition of water- Cushioning: water helps protect certain body organs from physical trauma (example: CSF in brain) Mixtures : 2 or more substances physically intermixed- no chemical bonding occurs between components of a mixture- can often be separated by physical means (unlike compounds, which can only be separated by chemical means...
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.
- Fall '10