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Using atmospheric pressure to push a boiled egg into a conical flask
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This striking demonstration can show students how atmospheric pressure - and pressure differences can cause a 330ml drinks can to be crushed. 
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Describes the popular demonstration using Magdeburg hemispheres, and how it can be safely undertaken.
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Crushing an empty drinks can with atmospheric pressure
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Using atmospheric pressure to push an egg into a conical flaskSee PP0070
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Guidance on buying portable autoclave and pressure cookers.
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A simple visual demonstration of the effects of reducing the pressure inside a bell jar on the boiling of warm water.
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A simple demonstration to show that sound does not travel through a vacuum
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This document covers the safe use of small autoclaves and pressure cookers used in schools and their maintenance. Note: the guidance given here is not intended replace that given by the manufacturer.
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A hot copper plate is placed into an atmosphere containing propanone and the reaction takes place on the surface of the copper foil, making it appear red hot. As the concentration of air in the flask .. more
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