Damping in harmonic motion Student activity Play

Damping in harmonic motion Animation Play

Davisson-Germer experiment Simulation Play

Demand for energy Slideshow Play

Deriving the expression for free energy change Animation Play

Detecting the presence of certain elements in a chemical compound 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 measuring the volume or pressure of the gas evolved Student activity Play

Determination of the reducing or oxidising ability of a chemical species Animation 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 chemical reactions Slideshow Play

Different forms of energy Simulation Play

Different physical and chemical properties of isomers Animation Play

Different types of chemical energy Slideshow Play

Different types of energy Animation Play

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

Digestive enzymes and chemical digestion Whiteboard exercise Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Dioxins Student activity Play

Discharging a battery. Accumulators. Whiteboard exercise Play