About cells Student activity Play

Additional information contained in chemical equations Student activity Play

Air pollution Student activity Play

Air pollution with nitrogen monoxide Slideshow Play

Algebraic method Animation Play

Algorithm of the equation for hydrocarbon combustion Animation Play

Alkanes Student activity Play

Alkyl and aryl groups Animation Play

Alkyl groups Student activity Play

Alkyl groups Animation Play

Analysis of the products of total combustion Slideshow Play

Analytical tests in organic chemistry Class activity Play

Analytical tests in organic chemistry Whiteboard presentation Play

Archaea (Archaebacteria) Student activity Play

Are only exothermic processes spontaneous? Animation Play

Atmospheric carbon dioxide Student activity Play

Atmospheric carbon dioxide Animation Play

Balancing chemical equations Animation Play

Balancing chemical equations. Part 1 Student activity Play

Batteries Illustration Play

Biogas Slideshow Play

Biogas and biofuels Student activity Play

Boiling point of alkanes Student activity Play

Boiling points and melting points of some alkanes Chart Play

Boiling points of straight-chain alkanes and cycloalkanes Animation Play