Determination of molecular structure Whiteboard presentation Play

Determination of molecular structure Simulation Play

Determination of the molecular structure of an unknown compound Whiteboard exercise Play

Determination of the molecular structure of an unknown compound Whiteboard exercise Play

Determination of the molecular structure of an unknown compound Whiteboard exercise Play

Determination of the molecular structure of an unknown compound Student activity Play

Determination of the molecular structure of compound A using the IR spectrum Animation Play

Determination of the molecular structure of compound A using the mass spectrum Animation Play

Determination of the molecular structure of compound A using the NMR spectrum Animation Play

Determination of the structure of an unknown compound Animation Play

Determining the mean bond enthalpy for polyatomic molecules Animation Play

Determining the primary structure Animation Play

Digestion Class activity Play

Digestion Whiteboard presentation Play

Digestion in the alimentary canal Illustration Play

Digestion of carbohydrates; proteins and lipids Student activity Play

Digestive enzymes Whiteboard exercise Play

Digestive enzymes and digestion Student activity Play

Dinitrogen pentoxide Simulation Play

Direct evidence for the structure of the inside of the Earth Slideshow Play

Discovering matter Student activity Play

Diseases caused by tobacco-smoking Student activity Play

Disorders in the plasma enzyme level Whiteboard exercise Play

Duodenum Animation Play

Early atomic theories Whiteboard exercise Play