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Can Nitrogen Freeze?

can-nitrogen-freeze

ANSWER:

Nitrogen CAN freeze.

More Info: Nitrogen freezes at 63 Kelvin or -210.01 degrees Celsius. When it does this, it takes on a beta hexagonal close-packed crystal allotropic form, though at anything below 35.4 Kelvin or -237.6 degrees Celsius it takes on a cubic allotropic form, which is known as its alpha-phase.

Can Liquid Nitrogen Freeze?

Liquid nitrogen is simply gaseous nitrogen in a liquid state. It differs from the gas state though in that it serves as a cryogenic fluid, meaning it can freeze living tissue quickly upon contact. With this in mind, it is still possible to turn the liquid nitrogen from a liquid state into a solid state by freezing it. To do so, it must first be placed in a vacuum chamber that is operated through the use of a rotary pump. It will then freeze and turn into a solid once it has reached 63 Kelvin or -210.01 degrees Celsius, just like its gaseous state.

 

Resources

Manivanan, R.
Water Quality Modeling: Rivers, Streams, and Estuaries
New Delhi: New India Pub. Agency. 2008. Print

Gray, Theodore
The Elements: A Visual Exploration of Every Known Atom in the Universe.
New York: Black Dog & Leventhal Publishers. 2009. Print

Greenwood, Norman N.; Earnshaw, Alan
Chemistry of the Elements (2nd ed.).
Butterworth–Heinemann.  1997. Print

Bartnikas, R.
Electrical Properties of Solid Insulating Materials: Measurement Techniques.
Philadelphia, PA. American Society for Testing Materials. 1987. Print

Journal of Microscopy, Umrath, W.
Cooling bath for rapid freezing in electron microscopy
1974. Volume: 101: Pages: 103–105

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