NITROGEN DIOXIDE - (10102-44-0)

Introduction

Name: nitrogen dioxide
* IUPAC
CAS Number: 10102-44-0
Chemical Formula: NO2
Molar Mass: 46.0055 g
Mass Percent: N 30.445 %; O 69.554 % 

Classification

• inorganic

Uses/Function

• "is an important contributor to photochemical smog in many urban areas, eventually reacts with moisture in the air and reaches the soil to form nitrate salts, which are plant nutrients." 1

• "The brownish hazes that often hang over such cities as Los Angeles, Denver, and Mexico City are due to the presence of brown NO2." 2

Bonding

Bonding: polar covalent
Ionic Character: 12.12 %

Thermochemistry

ΔHf° (g): 7.93 kcal/mol 3 = 33.18 kJ/mol
S° (g): 57.35 cal/(mol•K) 4 = 239.95 J/(mol•K)
ΔGf° (g): 12.26 kcal/mol 5 = 51.30 kJ/mol

Reactions

For More Information

Wikipedia
Journals:
Hackspill, Besson, Bull. Soc. Chim. France, Mem. [5] 16, 479 (1949)
Sisler, J. Chem. Ed. 34, 555 (1957)

Sources

(1) - Zumdahl, Steven S. Chemistry, 4th ed.; Houghton Mifflin: Boston, 1997; p 903.
(2) - Whitten, Kenneth W., Davis, Raymond E., and Peck, M. Larry. General Chemistry 6th ed.; Saunders College Publishing: Orlando, FL, 2000; p 962.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(5) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(6) - T > -132.96584410901
(7) - T < -545.454545454546
(8) - T > 325.517869337583
(9) - T > 234.073759166755
(10) - T < 779.485078194359
(11) - T < 482.758620689655
(12) - T < 44485.5233853006
(13) - T > -54.6992917682571