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Watch Investigations in Chemistry Experiments and Observations online: Episode 3 Atoms, Molecules and Chemical Change

Lesson one looks at copper atoms using a Scanning Tunnelling Microscope connected to a computer. Several demonstrations of combustion include burning firecrackers under water. Lesson two shows combustion of an industrial diamond. Thermite reaction produces iron metal from iron oxide. Tatara, the traditional Japanese steelmaking process, is described. Lesson three studies chemical reactions between iron powder and sulfur, zinc and sulfur, and copper and sulfur. Chemical combination and decomposition, dry distillation, and pyrolysis are discussed.

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