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U1T3

vocab-water

TermDefinition
hydrogen bond attraction between hydrogen atom with a partial negative charge
water h2o
cohesion the attraction between molecules of the same sub-stance, ( water sticking to other water molecules via hydrogen bonds)
adhesion the attraction between molecules of different sub-stances (water molecules sticking to other materials)
polar molecule molecule with an uneven distribution of electrons (one negative and one postive on each side)
surface tension molecules sticking together, forming a thin layer of resistance
specific heat capacity amount of heat required to change the temperature of a unit mass of a given substance by unit amount ( usually a degree)
expansion upon freezing molecules decrease in temperature, leading them to move away from one another. (expansion) (decreases in density) (increases in volume)
universal solvent dissolves more than any liquid ( water )
capillary action cohesion and adhesion working together to allow water to travel against gravity (plant stem)
Created by: user-2051177
 

 



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