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Essay

Nitrogen

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Ronald R

 

Date added:

July 31, 2011

 

Level:

University

 

Grade:

B

 

No of pages / words:

2 / 502

 

Was viewed:

4469 times

 

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Essay content:

The atomic weight of nitrogen is 14.007. Nitrogen is obtained from the atmosphere by passing air over heated copper or iron. The oxygen is removed from the air, leaving nitrogen mixed with some inert gases. Pure nitrogen is obtained by partial evaporation of liquid air because liquid nitrogen has a lower boiling point than liquid oxygen, the nitrogen evaporates off first and can be collected...
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Pure nitrogen is obtained by partial evaporation of liquid air because liquid nitrogen has a lower boiling point than liquid oxygen, the nitrogen evaporates off first and can be collected. Nitrogen composes about four-fifths (78.03 percent) by volume of the atmosphere. Nitrogen is inert and serves as a diluent for oxygen in burning and respiration processes...
displayed 300 characters

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