POTASSIUM SUPEROXIDE - (12030-88-5)

Introduction

Name: potassium superoxide
* IUPAC
CAS Number: 12030-88-5
Chemical Formula: KO2
Molar Mass: 71.0971 g
Mass Percent: K 54.992 %; O 45.007 % 

Classification

• inorganic

Bonding

Bonding: ionic
Ionic Character: 79.39 %

Thermochemistry

ΔHf° (s): -68.0 kcal/mol 1 = -284.51 kJ/mol
S° (s): 29.3 cal/(mol•K) 2 = 122.59 J/(mol•K)
ΔGf° (s): -57.5 kcal/mol 3 = -240.58 kJ/mol

Reactions

For More Information

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(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) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; pp 135, 227.
(5) - Zumdahl, Steven and Zumdahl, Susan A. Chemistry 9th ed.; Brooks/Cole: Belmont, CA, 2014; p 131.