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16 Cards in this Set

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