Experiment to illustrate diffusion of gas

Experiment to illustrate diffusion of gas

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Credit: ANDREW MCCLENAGHAN/SCIENCE PHOTO LIBRARY

Caption: Experiment to illustrate diffusion of a gas (PART 2). Two gas jars are arranged with their open ends together, but their contents are kept separate by a glass lid. The lower gas jar is filled with gaseous bromine (brown); the upper jar contains air. When the lid is removed, diffusion causes the gases to mix, and bromine can be seen gradually rising into the upper jar (see A500/007).

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Keywords: bromine, chemical, chemistry, diffusion, experiment, gas

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