Empirical formulae and molecular formulae of compounds Student activity Play

Empirical formulae and molecular formulae of compounds Whiteboard exercise Play

Empirical, molecular and general formula Animation Play

Energy as an essential factor in muscle contraction Student activity Play

Energy cycle method Animation Play

Energy due to fusion Whiteboard exercise Play

Energy due to fusion Student activity Play

Energy due to fusion Animation Play

Energy necessary for muscles to work Animation Play

Energy-level diagram for the hydrogen atom Animation Play

Enthalpy Student activity Play

Enthalpy changes Animation Play

Enthalpy of combustion and energy values of fuels Slideshow Play

Enthalpy of combustion of ethanol Animation Play

Enthalpy of formation of methane Animation Play

Enthalpy of hydration Student activity Play

Entropy and spontaneous changes Student activity Play

Equations for the reactions of acids and bases Simulation Play

Equivalent and non-equivalent hydrogen atoms Animation Play

Establishing the formula of a compound Animation Play

Ethanol Illustration Play

Examples of salts Slideshow Play

Examples of uses of the transition metals and their compounds as catalysts Slideshow Play

Experiment with a gas Animation Play

Experimental determination of enthalpy of solution Student activity Play