Reactivity series of metals Animation Play

Reagents, reactants and products Student activity Play

Real gases Animation Play

Real gases Student activity Play

Real gases Animation Play

Reasons for the high reactivity of alkenes Whiteboard exercise Play

Reasons for the high reactivity of alkenes (1) Student activity Play

Reasons for the high reactivity of alkenes (2) Student activity Play

Redox reactions around us Slideshow Play

Redox reactions around us Student activity Play

Reforming of crude oil Whiteboard exercise Play

Reforming of crude oil Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Relative atomic mass and relative molecular mass Whiteboard exercise Play

Relative atomic mass and relative molecular mass Student activity Play

Relative molecular mass Animation Play

Relative molecular mass Student activity Play

Removing the impurities of iron ores Animation Play

Resonance energy for benzene Animation Play

Reversible and irreversible reactions Student activity Play

Reversible reaction Animation Play

Rocks originating from magma Animation Play

Rupture of the DNA molecule Slideshow Play

Salts of strong acids and weak bases Student activity Play

Salts of strong acids and weak bases Whiteboard exercise Play