MERCURY(II) SULFIDE - (1344-48-5)

pagpapakilala

pangalan: mercury(II) sulfide
* IUPAC
CAS Number: 1344-48-5
Chemical Formula: HgS
Molar Mass: 232.655 g
mass Percent: Hg 86.217 %; S 13.782 % 

pag-uuri

• tulagay

Paggamit / Function

• "...is a vermillion pigment; precipitated by H2S, it is black." 1

bonding

bonding: polar covalent
Ionic Character: 20.61 %

termokimika

ΔHf° (s red): -13.9 kcal/mol 2 = -58.16 kJ/mol
ΔHf° (s black): -12.8 kcal/mol 2 = -53.56 kJ/mol
S° (s red): 19.7 cal/(mol•K) 3 = 82.42 J/(mol•K)
S° (s black): 21.1 cal/(mol•K) 3 = 88.28 J/(mol•K)
ΔGf° (s red): -12.1 kcal/mol 4 = -50.63 kJ/mol
ΔGf° (s black): -11.4 kcal/mol 4 = -47.70 kJ/mol

Para sa karagdagang impormasyon

Pinagmumulan

(1) - Brownlee, Raymond B., Fuller, Robert W., and Whitsit, Jesse E. Elements of Chemistry; Allyn and Bacon: Boston, Massachusetts, 1959; p 539.
(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) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.