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The figure shows a cut-away drawing of a thermos bottle (also known as a Dewar flask),...

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Physics

The figure shows a cut-away drawing of a thermos bottle (alsoknown as a Dewar flask), which is a device designed specifically toslow down all forms of heat transfer. Explain the functions of thevarious parts, such as the vacuum, the silvering of the walls, thethin-walled long glass neck, the rubber support, the air layer, andthe stopper.

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3.7 Ratings (597 Votes)
Dewar Flask The vacuum flask consists of two flasks placed one within the other and joined at the neck A vacuum flask is a bit like a superinsulated jug Most of them have an inner chamber and an outer plastic or metal case separated by two layers of glass with    See Answer
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