Damping in harmonic motion Animation Play

Davisson-Germer experiment Simulation Play

Decomposition of calcium carbonate Animation Play

Demand for energy Slideshow 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

Determining standard enthalpies of reaction Whiteboard exercise Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Development - energy Slideshow Play

Development - waste Slideshow Play

Different forms of energy Simulation Play

Different types of chemical energy Slideshow Play

Different types of energy Animation Play

Diffraction Slideshow Play

Diffraction Student activity Play

Diffraction of electrons – the Davisson-Germer experiment Student activity Play

Dioxins Student activity Play

Discharging a battery. Accumulators. Whiteboard exercise Play

Discharging a battery. Accumulators. Student activity Play

Discontinuous variation Student activity Play

Discontinuous variation Slideshow Play