CALCIUM OXIDE - (1305-78-8)

परिचय

नाम: calcium oxide
* IUPAC
सीएएस संख्या: 1305-78-8
रासायनिक सूत्र: CaO
अणु भार: 56.0774 g
मास प्रतिशत: Ca 71.469 %; O 28.530 % 

वर्गीकरण

उपयोग करता है / समारोह

• "6th most produced chemical in the United States - 30.36 billion pounds" 1

• "Softening [in chemical water analysis]" 2

संबंध

संबंध: ionic
Ionic Character: 73.94 %

ऊष्मारसायन

ΔHf° (s): -151.80 kcal/mol 3 = -635.13 kJ/mol
ΔHf° (ℓ): -133.21 kcal/mol 3 = -557.35 kJ/mol
S° (s): 9.13 cal/(mol•K) 4 = 38.20 J/(mol•K)
S° (ℓ): 14.89 cal/(mol•K) 4 = 62.30 J/(mol•K)
ΔGf° (s): -144.25 kcal/mol 5 = -603.54 kJ/mol
ΔGf° (ℓ): -127.38 kcal/mol 5 = -532.96 kJ/mol

प्रतिक्रियाओं

अधिक जानकारी के लिए

सूत्रों का कहना है

(1) - Reisch, Mark S.; Top 50 Chemicals Production Turned Back Up in 1987. Chemical & Engineering News, April 11, 1988, pp 30-33.
(2) - Hammer, Mark J. Water and Wastewater Technology, 2nd ed.; Prentice Hall: Englewood Cliffs, NJ, 1986; p 9.
(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) - Silberberg, Martin S. Chemistry: The Molecular Nature of Matter and Change 4th ed.; McGraw-Hill: Boston, MA, 2006; p 128.
(7) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; pp 75, 139, 225-6.
(8) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 298.