Equations for the reactions of acids and bases Simulation Play

Equilibrium constant expression Student activity Play

Ethanoic acid/sodium ethanoate buffer – addition of strong acid Animation Play

Ethanoic acid/sodium ethanoate buffer – addition of strong base Animation Play

Eutrophication of water Student activity Play

Evaporation Animation Play

Example of a displacement reaction Slideshow Play

Examples of solutions Illustration Play

Excitability – a special feature of the neurone plasma membrane Student activity Play

Experimental determination of enthalpy of solution Student activity Play

Extraction of metals Student activity Play

Extraction of metals and their reactivity Illustration Play

Factors affecting enthalpy of hydration Animation Play

Factors affecting the pH of a metal salt solution Animation Play

Factors that affect the process of dissolution Student activity Play

Fibre Student activity Play

Fibre; minerals and vitamins Student activity Play

Filtration Student activity Play

Finding an expression for the nth term of a sequence Student activity Play

Finding the density of lithium Animation Play

Finding the pH of a metal salt solution Animation Play

Flame test Animation Play

Flame tests Student activity Play

Flammable substances Slideshow Play

Food additives Slideshow Play