Plane waves Animation Play

Plane waves Student activity Play

Plane waves Whiteboard exercise Play

Plane waves Simulation Play

Practical importance of the mole Whiteboard presentation Play

Practical importance of the mole Class activity Play

Pressure affects reactions occurring in the gas phase Student activity Play

Pressure affects reactions occurring in the gas phase Whiteboard exercise Play

Protective earth conductor Animation Play

Reaction in the gas phase Slideshow Play

Reaction of ammonia with hydrogen chloride Animation Play

Reaction of hydrogen and oxygen in the gaseous phase Animation Play

Reaction rate Student activity Play

Reactions in the gas phase Animation Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions in the gaseous phase Student activity Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions involving phase changes Animation Play

Reactions occurring on the surface of a solid catalyst Whiteboard exercise Play

Reactions occurring on the surface of a solid catalyst Student activity Play

Reproduction by cell division Student activity Play

Solid substances as catalysts in reactions in the gaseous phase Animation Play

Solid-liquid phase change Whiteboard exercise Play

Solid-liquid phase change Student activity Play

Sources of plane waves Student activity Play