THERMODYNAMICS - HEAT AND THE FIRST LAW - ADIABATIC PROCESSES	NC State University Faculty Access
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Description: A thick-walled test tube is protected by a clear plastic tube and a rubber stopper. A wisp of cotton fiber is at the bottom of the tube. Set the stopper on the table and push the piston down AS QUICKLY AS POSSIBLE. You may wish to practice. The cotton will ignite. The flash is visible to the whole classroom. Purchased/Built: purchased Setup Time: 2 hours Quant. in Demo Room: 1 Source: Central Scientific Demo References The Video Encyclopedia of Physics Demonstrations Disc 15-05 Compress air in a glass tube to light a tuft of cotton. Slow motion photography. Hilton H-5c Three fire syringes are shown. Sutton H-179 A piece of cotton in a glass tube will ignite when a plunger is used to quickly compress the air.
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