Energy changes during chemical reactions Animation Play

Energy in chemical reactions Student activity Play

Enzymatic method for determining glucose concentration Slideshow Play

Enzymatic method for determining glucose concentration in the blood Student activity Play

Enzymatic method for determining glucose concentration in urine Student activity Play

Enzymatic method for determining glucose concentration in urine Simulation Play

Enzymatic reactions Whiteboard exercise Play

Enzymatic reactions Student activity Play

Enzyme activity and environmental conditions Student activity Play

Enzyme activity and environmental conditions Simulation Play

Enzymes are proteins Student activity Play

Equilibrium concentration of a component Animation Play

Equilibrium constant expression Whiteboard exercise Play

Equilibrium constant expression Student activity Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

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

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

Ethanol as a stimulant Whiteboard exercise Play

Ethanol as a stimulant Student activity Play

Eutrophication of natural waters Slideshow Play

Eutrophication of water Student activity Play

Evaporation of liquids Student activity Play

Evaporation of liquids Whiteboard exercise Play

Events causing changes in the concentration of oxygen in the Earth's atmosphere Whiteboard exercise Play

Examples of chemical reactions Whiteboard exercise Play