HYDROGEN SULFIDE - (7783-06-4)

Introduction

Name: hydrogen sulfide
* IUPAC
CAS Number: 7783-06-4
Chemical Formula: H2S
Molar Mass: 34.08088 g
Mass Percent: H 5.9149 %; S 94.085 % 

Classification

• inorganic

Physical Properties

Melting Point:*
-85.5°C 1 = 187.65 K = -121.9°F
Boiling Point:*
-59.55°C 1 = 213.6 K = -75.19°F

* - 1 atm pressure

Bonding

Bonding: polar covalent
Ionic Character: 11.52 %

Thermochemistry

ΔHf° (g): -4.82 kcal/mol 2 = -20.17 kJ/mol
S° (g): 49.18 cal/(mol•K) 3 = 205.77 J/(mol•K)
ΔGf° (g): -7.90 kcal/mol 4 = -33.05 kJ/mol

Reactions

For More Information

Wikipedia
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R. J. Reiffenstein et al., Ann. Rev. Pharmacol. Toxicol. 32, 109-134 (1992)
M. F. Tansy et al., J. Toxicol. Environ. Health 8, 71-88 (1981)
Bickford, Wilkinson, Inorg. Syn. 1, 111 (1939)
Ward, et al., Inorg. Syn. 3, 14 (1950)
E. H. Vernot et al., Toxicol. Appl. Pharmacol. 42, 417 (1977)
I. W. Santry, Jr., J. Water Pollut. Control Fed. 35, 1580-1588 (1963)
Clarence R. Henry, J. Water Pollut. Control Fed. 33, 136-140 (1961)
Magazines:
Erdmann, Jeanne. Rotten Remedy. Science News, March 8, 2008, p 152-153.
Wang, Rui. Toxic Gas, Lifesaver. Scientific American, March 2010, p 66-71.
Todhunter, Andrew. Deep Dark Secrets. National Geographic, August 2010, p 34-53.

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