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16 Cards in this Set
- Front
- Back
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When opposite ends of the molecule have opposite charges, we say the molecule is _______. |
Polar
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What gives water its extraordinary properties?
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H-bonds
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This is the clinging of one substance to another.
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Adhesion
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What is the measure of the total quantity of KE due to molecular motion?
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Heat
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What is the measure of intensity of heat due to the average KE of molecules?
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Temperature
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"A swimmer crossing the English Channel has a higher _____ than the water, but the ocean contains far more _____ because of its volume."
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Temperature; heat
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What is the amount of heat energy it takes to raise the temperature of 1 g of water 1ºC?
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Calorie.
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What is the amount of heat that must be absorbed or lost for 1 g of a substance to change its temperature by 1ºC?
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Specific Heat.
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This is the quantity of heat a liquid must absorb for 1 g of it to change it from a liquid to a gas.
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Heat of Vaporization.
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This donates H+ atoms.
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Acid
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This accepts H+ atoms.
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Base
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= -log [H`]
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pH
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Are substances that are non-ionic and nonpolar hydrophilic or hydrophobic?
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Hydrophobic (repel water)
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What bonds are broken when water vaporizes?
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H-bonds/intermolecular bonds
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Hydrogen bonds are responsible for 2 unique properties of water, what are they?
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1. Adhesion
2. Surface Tension |
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Does a base donate or accept OH¯?
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Donates OH¯
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