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kinetic energy

energy of motion

potential energy

static energy

surface tension

attraction of molecules to those below it and on top of it

capillary action

attraction of liquid molecules to solids


average kinetic energy

ionic solids

dissolve in water, conduct electricity when dissolved, brittle, high melting points

covalent network solids

very hard, do not dissolve in water, most do not conduct electricity, high melting points

metallic solids

hard, malleable, ductile, conduct electricity

molecular solids

not hard, do not conduct electricity, low melting points, weak forces between molecules

amorphous solids

no shape; glass or plastic

standard pressure

1 atm

critical point

at end of liquid/gas line; where no more liquid can exist

triple point

point where all 3 phases exist

formula for 1,3,5

q=mc delta t

formula for 2,4

q=m delta h

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