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Image of solid, liquid, and gaseous nitrogen.
Image of solid, liquid, and gaseous nitrogen.chemdude1, YouTube.com
This is a photo of liquid nitrogen. You can see the nitrogen is boiling off into the air.
This is a photo of liquid nitrogen. You can see the nitrogen is boiling off into the air.David Monniaux
This is a tank of liquid nitrogen.
This is a tank of liquid nitrogen.Jeffrey M. Vinocur