Diffusion is the movement of particles from a region where they are in high concentration to a region where they are in low concentration, and is one of the ways substances can move across the cell ...

Diffusion is the net movement of molecules from an area where they are at a higher concentration to areas where they are at a lower concentration. This is due to the random movement of the molecules.

Addition of a liquid to a crystalline substance produces smoke an intense violet flames. Set up a heat resistant mat next to an operating vent in the bench top. Add 10 to 15 drops of glycerol to the ...