Liquid Nitrogen Definition
Liquid nitrogen is a very cold liquid made from nitrogen gas. It is used to freeze things very quickly.
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Particle Nature of Matter
Fun Facts
- Liquid nitrogen is -321 degrees Fahrenheit (-196 degrees Celsius).
- Solid carbon dioxide falls out when cutting open a balloon cooled with liquid nitrogen.
- Liquid nitrogen changes carbon dioxide directly from solid to gas without becoming liquid first.
Why Do We Need To Know About Liquid Nitrogen
Learning about liquid nitrogen helps us see how important it is in many areas. Liquid nitrogen is super cold, at -321 degrees Fahrenheit (-196 degrees Celsius), and is used for quickly freezing things. Chefs use it to make special frozen desserts, and doctors use it to preserve biological samples safely.
This cold substance is also key in science experiments, space missions, and studying the environment. It helps scientists understand how gases act when they’re really cold and is used in creating technology that works at very low temperatures. Liquid nitrogen is useful in a lot of different fields.
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