ch. 3 vocab words: ap bio
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16 Terms
polar molecule
molecule where electrons are shared unequally
cohesion
when water sticks to itself
adhesion
when water sticks to something else
surface tension
hard to break the surface of water (due to hydrogen bonds)
kinetic energy
energy in motion
calorie
the energy required to raise the temperature of 1 gram of water (1 degree C)
specific heat
water that can maintain its temperature
solute
a substance that dissolves in a solvent
solvent
the ability to dissolve substances
aqueous solution
a solution where water is the solvent
hydrophilic
attraction to water
hydrophobic
aversion to water
acid
more hydrogen, less hydroxide
base
less hydrogen, more hydroxide
pH scale
the scale that helps measure the pH
buffer
maintains pH levels
Note 
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