Flashcard Set Preview
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| 1 |
structure of water
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made up of one atom of oxygen and two atoms of hydrogen
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| 2 |
polar
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one side of the molecule is slightly negative and one side is slightly positive
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hydrogen bonds
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a type of bond that form between water molecules and makes the molecule polar
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| 4 |
cohesion
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the linking of like molecules
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adhesion
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the clinging of one substance to another
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transpiration
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the movement of water molecules up the very thin xylem tubs and their evaporation from the...
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specific heat
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amount of heat required to raise or lower the temperature of a substance by 1 degree Celsius
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| 8 |
hydrophilic
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water-soluble substances
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hydrophobic
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nonpolar substances that do not dissolve in water
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| 10 |
pH
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a scale that measure the relative acidity and alkalinity of aqueous solutions; runs between...
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acids
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have an excess of H+ ions and a pH of below 7.0
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bases
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have an excess of OH- ions and a pH of above 7.0
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| 13 |
buffers
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substances that minimize changes in pH
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| 14 |
carbonic acid
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an important buffer that moderates pH changes in blood plasma and the ocean
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