The Chemistry of Liquid NitrogenThe Chemistry of Liquid Nitrogen

By: TylerBy: Tyler

10/28/1210/28/12

Guiding QuestionsGuiding Questions

What is Liquid Nitrogen? What is Liquid Nitrogen? What are the properties?What are the properties? How is it made?How is it made? Where is it Manufactured?Where is it Manufactured? What is it used for?What is it used for?

Liquid NitrogenLiquid Nitrogen

Liquid nitrogen is nitrogen in a liquid formLiquid nitrogen is nitrogen in a liquid form Atomic symbol is LNAtomic symbol is LN22..

Atomic number is 7. Atomic number is 7.

Nitrogen was first liquefied at the Jagiellonian Nitrogen was first liquefied at the Jagiellonian University on April 15 ,1883 by Polish University on April 15 ,1883 by Polish physicists, Zygmunt Wroblewski and Karol physicists, Zygmunt Wroblewski and Karol Olszewski.Olszewski.

Liquid Nitrogen freezes at 63 K {210`C;-346`F.}Liquid Nitrogen freezes at 63 K {210`C;-346`F.}

Liquid Nitrogen Properties

Is an odorless, tasteless, Is an odorless, tasteless, colorless liquidcolorless liquid

Has no oxygenHas no oxygen Is a cryogenic fluidIs a cryogenic fluid Is a cold boiling liquidIs a cold boiling liquid

Uses of Liquid Nitrogen and Uses of Liquid Nitrogen and Interesting FactsInteresting Facts

It is used in making frozen desserts.It is used in making frozen desserts. Preserving medical specimens. Preserving medical specimens. Used to remove skin cancer and warts.Used to remove skin cancer and warts. Recycling of tires

Locally – It is used in Agriculture and Ranches Cooling of produce from the fields Freezing and transportation of food products To preserve Bull Semen for reproduction

How is Liquid nitrogen made?How is Liquid nitrogen made?

Liquid Nitrogen is made by compressing the Liquid Nitrogen is made by compressing the air, which heats ups as it cools from the air, which heats ups as it cools from the pressure as air escapespressure as air escapes

The cycle repeats until it is cooled to a cold The cycle repeats until it is cooled to a cold boiling point.boiling point.

Where is Liquid Nitrogen Where is Liquid Nitrogen ManufacturedManufactured

Liquid Nitrogen is manufactured worldwide.Liquid Nitrogen is manufactured worldwide. In California it is manufacture in Northern Southern In California it is manufacture in Northern Southern

California.California. For Airgas it is manufactured in Sacramento, For Airgas it is manufactured in Sacramento,

CaliforniaCalifornia For Praxair it is manufactured in Pittsburgh, For Praxair it is manufactured in Pittsburgh,

CaliforniaCalifornia In Southern California there is a facility called In Southern California there is a facility called

Cosmodyne LLC , it is a cryogenic industries Cosmodyne LLC , it is a cryogenic industries company. They manufacture Liquid Nitrogen and Dry company. They manufacture Liquid Nitrogen and Dry Ice.Ice.

How to Handle Liquid NitrogenHow to Handle Liquid Nitrogen

Always wear safety eye protection and insulated Always wear safety eye protection and insulated gloves when handling Liquid Nitrogengloves when handling Liquid Nitrogen

Research and Tour of AirgasResearch and Tour of Airgas

Contacts, References and ResourcesContacts, References and Resources

Schwertzer, Jeff. Associate and Gas Specialist, Airgas, Salinas CA. 10 September 2012 –-Telephone conversation and Tour of facility and information on the properties, facts and local uses of liquid nitrogen

Stevens, Kent. General Manager, Praxair, Salinas CA. 10 September , 11 September and 3 November 2012 – Telephone conversation and information on where liquid nitrogen is manufactured.

Potter, Jeff. “How to make 30 Second Ice Cream”. Cooking for Geeks: Real Science, Great Hacks and Good Food. 3 November 2012. http://cookingforgeeks.com

Contacts, References and Resources Contacts, References and Resources (Con’t)(Con’t)

Casey, Tina. “Great Moments in tire Recycle History…No Wait, Make that Cool Moments”. Scientific American”. 3 November 2012. <http://scientificamerican.com/article.cfm?id=great-moments-in-tire-recycling-his-2010-04&print=true

LTLehigh Technologies. “What is Micronized Rubber Powder”. 3 November 2012. <www.lehightechnologies.com/index.php/what_we_do/what_is_micronized_rubber_powder

“Liquid nitrogen”. Wikipedia, the free Encyclopedia. 21 October 2012 <http://en.wikipedia.org/wiki/Liquid_nitrogen

Rieke IV, H. Henry. “Liquid Nitrogen Ice Cream.” Cooking with Chemistry. 17 October 2012 <http:www.polsci.wvu.edu/Henry/Icecream/Icecream.html

Contacts, References and Resources Contacts, References and Resources (Con’t)(Con’t)

Grey, Theodore. The Elements. New York: Black Dog and Leventhal Publishers, Inc., 2009.

Yorifuji, Bunpei. Wonderful Life with the Elements: The Periodic Table Personified. Tokyo: Kagaku Dojin Publishing Company, Inc., 2009

Conclusion –

Please join me outside for some Crazy Chemistry