Tag: diffusion

  • Movement of Substances Quiz

    Movement of Substances Quiz

  • Diffusion – Movement of Substances

    Diffusion – Movement of Substances

    Table of Contents Diffusion Defination Diffusion is the net movement of molecules and ions from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement. What is Diffusion ┬áThe molecules of a gas such as oxygen are moving about all the…

  • Osmosis

    If a dilute solution is separated from a concentrated solution by a partially permeable membrane, water diffuses across the membrane from the dilute to the concentrated solution. This is known as osmosis. A partially permeable membrane is porous but allows water to pass through more rapidly than dissolved substances. Since a dilute solution contains, in…