Diffusion

• Simple Diffusion: An Introduction
• Diffusion with Many Particles: Fick's First Law of Diffusion
• Diffusion Across a Selectively-Permeable Membrane

Osmosis

• Introduction: solute, solvent and solution:
• A Solution
• In solution, solute reduces solvent activity
• Solvent Movement Between Two Compartments
• Osmosis is the Differential Flow of Water Between Two Compartments
• Measuring Osmosis by its Pressure

Diffusion Potentials

• Voltage Also Moves Charged Particles
• The Nernst Potential
• The Nernst Equation