Number of moles of ammonia molecules Animation Play

Octahedral ammine-metal complexes Animation Play

Odour Animation Play

Organic compounds in the cosmos Slideshow Play

Origin of crude oil (1) Student activity Play

Origin of fossil fuels Student activity Play

Other ways to accelerate chemical reactions Student activity Play

Oxidation and reduction reactions Student activity Play

Oxidation states of nitrogen Animation Play

Oxidation states of the p-block elements in their commonest chemical compounds Student activity Play

Oxidation states of cobalt, nickel and zinc Animation Play

Oxidative deamination Slideshow Play

Oxidising agents used in organic chemistry Animation Play

Partial pressure and molar fraction Student activity Play

Partial pressure and molar fraction Whiteboard exercise Play

pH curves for the titration of weak acids and bases Animation Play

pH of ammonia solution Animation Play

pH of ammonium chloride solution Animation Play

pH of buffer solutions Student activity Play

pH range of alkaline buffer Animation Play

Phenolphthalein as an example of an indicator Student activity Play

Phosphatic fertilisers Student activity Play

pKa and pKb values (1) Student activity Play

pKa and pKb values (2) Student activity Play

pKa and pKb values (2) Whiteboard exercise Play