Reacting quantities Student activity Play

Reaction conditions and enthalpy change Slideshow Play

Reaction of potassium manganate(VII) with hydrogen peroxide Animation Play

Reaction rate Whiteboard presentation Play

Reaction rate Class activity Play

Reaction yields Student activity Play

Reaction yields Whiteboard exercise 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 involving phase changes Animation Play

Reading from graphs Whiteboard exercise Play

Reading from graphs Student activity Play

Real gases Animation Play

Real gases Student activity Play

Recent changes in the Earth's temperature Slideshow Play

Recognising reducing agents Student activity Play

Recognising reducing agents Simulation Play

Recombination in bacteria Animation Play

Rectangular right prism Animation Play

Refraction of light Student activity Play

Regulation of blood volume during haemorrhage Illustration Play

Regulation of volume of extracellular fluid Slideshow Play

Relationship between gas volume and pressure Animation Play

Relationship between Kp and Kc Student activity Play