Diffusion (Fick's first law) Student activity Play

Diffusion across the plasma membrane Whiteboard exercise Play

Diffusion in gases Student activity Play

Dilution of concentrated solutions Student activity Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Dioxins Student activity Play

Discovery of noble gases Animation Play

Dissociation constants of conjugate acids and bases Student activity Play

Dissociation of strong and weak acids and bases Whiteboard exercise Play

Dissolution of gases in water Student activity Play

Distillation of liquid air Animation Play

Does a compound have a constant composition? Student activity Play

Does aluminium corrode? Student activity Play

Drugs and health Whiteboard presentation Play

Dynamic state of chemical equilibrium Student activity Play

Dynamic state of chemical equilibrium Whiteboard exercise Play

Earth's atmosphere Animation Play

Ecological niche Student activity Play

Effect of a change in reactant concentration on the rate of a chemical reaction Animation Play

Effect of concentration increase on reaction rate at the molecular level Animation Play

Effect of concentration on chemical equilibrium Student activity Play

Effect of concentration on chemical equilibrium Simulation Play

Effect of concentration on reaction equilibrium Student activity Play

Effect of concentration on reaction equilibrium Whiteboard exercise Play

Effect of concentration on the rate of chemical reactions Simulation Play