Specific gravity Student activity Play

Specific gravity of substance Animation Play

Spectra of compounds with a carbonyl group Student activity Play

Sphere Student activity Play

Sphere in a cube Animation Play

Spontaneous changes and probability Student activity Play

Standard entropy change Student activity Play

Standard hydrogen half-cell Animation Play

Standard hydrogen half-cell Student activity Play

Standard reduction potentials Student activity Play

Standard solutions Student activity Play

Standardising of hydrochloric acid solution Animation Play

Statements about acid rain Whiteboard exercise Play

Statements about acids Whiteboard exercise Play

Statements about changing the pH of acid soils Whiteboard exercise Play

States of matter Student activity Play

States of matter Whiteboard exercise Play

Stearic acid Slideshow Play

Stoichiometric calculations Animation Play

Stoichiometric coefficient Animation Play

Stoichiometric coefficients and the relative volumes of gases Whiteboard exercise Play

Stoichiometric coefficients and the relative volumes of gases Whiteboard exercise Play

Stoichiometric coefficients and the relative volumes of gases Student activity Play

Strong acid Whiteboard exercise Play

Strong and weak acids Student activity Play