Conversion of dinitrogen tetroxide to nitrogen dioxide Animation Play

Counting bacteria Student activity Play

Critical angle Student activity Play

Cubic metres and litres Student activity Play

Culturing bacteria Student activity Play

Decomposition of calcium carbonate Animation Play

Derivation of the formula Animation Play

Derivation of the formula Animation Play

Deriving the expression for free energy change Animation Play

Determination of enthalpy change in combustion reactions Whiteboard exercise Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of enthalpy change in combustion reactions (2) Student activity Play

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

Diffraction Student activity Play

Diffraction Slideshow Play

Discontinuous variation Student activity Play

Discontinuous variation Slideshow Play

Distinguish between a physical and a chemical change Whiteboard exercise Play

Drag and drag coefficient Animation Play

Drag and drag coefficient Student activity Play

Drag and drag coefficient Illustration Play

Drag and drag coefficient Whiteboard exercise Play

Dragsters Animation Play

Dynamic state of chemical equilibrium Student activity Play

Eating or drinking with a membership card Whiteboard exercise Play