11 terms

Molecules

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solution
a kind of mixture which one substance is completely and evenly mixed in another substance. The substance is the same throughout. (i.e. Kool Aid)
solvent
The substance doing the dissolving. Water would be the solvent in Kool Aid.
solute
The substance that is to be dissolved. In Kool Aid, the solute is the Kool-aid mix.
concentration
The amount of solute compered to the amount of solvent in a solution.
disperse
To distribute or spread out over a wide area.
molecules
Two or more atoms bound together.
diffusion
Motion of molecules move from an area of high concentration to an area of lower concentration by themselves. (perfume in a room)
Effects of concentration on diffusion
The higher the concentration you have the more particles you have moving and bouncing into each other.
concentration gradient
The pathway molecules take during diffusion.
brownian motion
The zig zag or irregular motion by small particles when they are floating in a fluid gas or liquid. This motion explains how molecules disperse to form a solution (ex food coloring in water.
equalibrium
When the concentration of the solute is the same throughout the solution.
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