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 Student activity Play

Energy due to fusion Animation Play

Energy due to fusion Whiteboard exercise Play

Energy levels Whiteboard exercise Play

Energy levels Student activity Play

Energy levels Simulation Play

Energy levels in a solid body Whiteboard exercise 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 magnesium bromide 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