Dielectric constant Student activity Play

Diffraction grating constant Illustration Play

Dissociation constants for di- and triprotic acids Student activity Play

Dissociation constants for di- and triprotic acids Illustration Play

Dissociation constants of conjugate acids and bases Student activity Play

Dissociation constants of conjugate acids and bases Whiteboard exercise Play

Dissociation constants of ethanoic acid and the ethanoate ion Animation Play

Dissociation constants of some bases Chart Play

Dissociation of weak bases Animation Play

Distance, time, velocity Student activity Play

Dividing by a constant polynomial Student activity Play

Dividing by a constant polynomial Whiteboard exercise Play

Do alcohols have acidic properties? Student activity Play

Does a chemical compound have a constant composition? Student activity Play

Does a chemical compound have a constant composition? Whiteboard exercise Play

Does a compound have a constant composition? Simulation Play

Does a compound have a constant composition? Student activity Play

Dynamic equilibrium Student activity Play

Effect of concentration on reaction equilibrium Student activity Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Einstein's postulates Whiteboard exercise Play

Electrophoresis of amino acids Student activity Play

Enzymatic reactions Whiteboard exercise Play

Enzymatic reactions Student activity Play