Asked in Vacuum Cleaners
Vacuum Cleaners
What is a water vacuum?
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Related Questions
Asked in Chemistry, Science
Will metal rust in vacuum water?

No, metal will not rust in vaccum water because the process of
rusting requires the presence of oxygen and water.But in
this case only water is present and since this water contains no
air(nor does it contain oxygen) rusting will not take place.
Water in a vacuum will become a gas. Then the vacuum is not a
vacuum unless 0 mmHg is re-obtained. Then, no... no rust because
there are no reactants in the latter case.
Asked in Physics
Does light travel faster underwater than in air?

As compared to what? Compared to air, or to a vacuum, light
travels quite a bit slower in water.
As compared to what? Compared to air, or to a vacuum, light travels
quite a bit slower in water.
As compared to what? Compared to air, or to a vacuum, light travels
quite a bit slower in water.
As compared to what? Compared to air, or to a vacuum, light travels
quite a bit slower in water.
Asked in Chemistry
Why vacuum distillation is carried out?

In a vacuum, water boils at a much lower temperature, so you can
boil away the water without having to cook something in the
process. In addition, all chemical compounds boil at lower
temperatures in a vacuum, than they do under normal air pressure,
so various forms of distillation can be done in a vacuum, not just
removal of water.