melaniegilbreath
22.01.2022 •
Physics
Why can we use regular air to
make liquid oxygen even though
it is a mixture of different
gases?
Solved
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Ответ:
The usual way to do this is to pass oxygen gas from a compressed gas cylinder through a coil of hollow copper pipe which is submerged in liquid nitrogen. The copper coil is a good conductor of heat and has a large surface area. Liquid oxygen is then usually collected in a thermos flask.
Ответ: