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CHEM EXAM PT2
STUDY STUDY SO HARD (everything else.)
| Term | Definition |
|---|---|
| Properties of Water why important? | most abundant molecules found in living things. 50-95% of body made of H2O |
| Properties of Water- polar compound + example | an uneven distribuation of charge example water |
| Properties of Water - polarity effective | Waters polarity makes it very effective in dissolving other substances |
| Properties of Water 2 compounds that dissolve | sugar & sodium chloride (table salt) |
| Properties of Water - attracted | water molecules are attracted to other water molecules |
| Properties of Water what type of bonding holds 2 or more molecules together??? | hydrogen bonds |
| Properties of Water - cohesion def | Water molecules ATTRACTING OTHER WATER MOLECULES is called COHESION |
| Properties of Water - hydrogen bonds strong or? | weak. easily broken |
| Properties of Water - Cohesion | water molecules produces SURFACE tension making water seem like it has a skin. |
| Properties of Water SURFACE TENSION | enables insects to walk across the surface of the water |
| Properties of Water ADHESION DEF | Water molecules attracting OTHER TYPES of molecules is called ADHESION |
| Properties of Water Adhesion + cohesion | TOGETHER enables water molecules to move UPWARDS/UP through narrow tubes against the force of gravity |
| Carbon compounds - what is organic compound? | from living (or once alive) organisms also contains carbon atoms |
| Carbon compounds - "element of life" | in every living thing |
| Carbon compounds - 3 other elements | lipids, proteins, & nucleic acids |
| Carbon compounds - structural shapes | straight chain, ring, branched |
| Carbon compounds- How many electrons are being shared in a single, double, and triple covalent bond | 1) one pair (2e-) 2)two pairs (4e-) 3) three pairs (6e-) |
| Carbon compounds ability to form chains almost infinity | the fact that it can bond to carbon, other elements, AND make 4 bonds |
| Carbon compounds- *functional groups* | cluster of atoms that influence the properties to the molecule they comepose. structural building block. HYDROXYL. CARBOXYL. AMINO GROUP |
| Carbon compounds reaction that links monomers | Dehydration Snthesis |
| sucrose. | glucose + fructose |
| Dehydration synthesis | removes water |
| Hydolysis | breaks down polymers. water is added. |
| what substance regulated hydrolysis | H2O WATER AUGA |
Created by:
Bones1987
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