Vaccum sealing?

Question

Why if you vaccum seal a glass tube does it not implode because i cant see how nothing can be in something . Answers will be appreciated


-baldy.waldy

Answer 1

The molecular structure of the glass is strong enough to repel the pressure exerted on it by the atmosphere. Of course, if you make the glass too thin, then the molecular forces of the glass matrix will not be able to withstand the pressure of the atmosphere, and the tube will collapse.

The same thing can be seen in a submarine. At a certain depth, the mechanical integrity of the steel hull cannot withstand the pressure exerted on it by the pressure of the outside water and the submarine will collapse - implode - but up to that point the submarine will be able to repel those forces due to the molecular forces stored in the chemical bonds of the matrix of the steel that surrounds the vessel.

Answer 2

this has to do with the strength of the glass. Too thin, and it will implode.

Think about the space station - it's got the reverse problem; trying to maintain pressure *inside* a metal tube, in a nearly perfect vacuum. If the pressure inside is too great, a seam may burst or the entire vessel could explode.

Answer 3

The strength of the glass and its tubular shape will withstand high pressures.
The tubular shape in particular will give much more strength than any other because the pressure is acting on very small areas around its circumference and tend to oppose the forces exerted.

Answer 4

Hi. It will if it can not withstand the 14.7 or PSI from the atmosphere.