The Nitrogen Elements by Greg Roza

Author:Greg Roza
Language: eng
Format: epub
Publisher: The Rosen Publishing Group, Inc

Freezing with Liquid Nitrogen

Manufacturers liquefy nitrogen to purify it, but they also sell nitrogen in its liquid form. You may have seen a scientist experimenting with liquid nitrogen. It is so cold that a rose dipped in it freezes instantly and will shatter when tapped against a hard surface. Liquid nitrogen boils quickly when exposed to room temperature. Cold nitrogen gas coming from the liquid causes water vapor in the air to condense into fog.

Liquid nitrogen is most useful when prolonged and deep cooling is necessary, as in the transportation of food products, blood, and medical supplies over long distances. It is also used in a branch of science called cryogenics, which is the study of the production of very low temperatures and the way materials act at those temperatures.

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.