Cost of energy Whiteboard exercise Play

Covalent bonding (1) Student activity Play

Covalent bonding (2) Student activity Play

Covalent bonding. Part II Class activity Play

Covalent bonding. Part II Whiteboard presentation Play

Daily norms for energy requirements Slideshow Play

Daily nutritional requirements Slideshow Play

Damped oscillations Student activity Play

Damping Animation Play

Damping in harmonic motion Slideshow Play

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

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

Determining standard enthalpies of reaction Whiteboard exercise Play

Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the formula of a compound knowing the valence of its elements Whiteboard exercise Play

Determining the formula of ammonium bromide Animation Play

Determining the formula of potassium carbonate Animation Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Development - energy Slideshow Play