Periodic table of elements

Lead(II) sulfide [PbS]

SOLUBILITY:
water [H2O]: 0,000068 (25)

PROPERTIES:
grey-black cubic crystals
M (molar mass): 239,300 g/mol
MP (melting point): 1077 °C
MB (boiling point): 1281 °C
D (density): 7,59 (20, ?/??3, ?.)
ΔH°298 (Standard molar enthalpy of reaction at 298 К): 122 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -98,8 (?) kJ/mol
298 (standard molar entropy at 298 К): 251,3 (?) J/(mol•К)
p (standard molar heat capacity): 35,1 (?) J/(mol•К)
P (vapor pressure): 0,1 (755), 1 (853), 10 (967), 100 (1108) Mmhg or Torr

LITERARY REFERENCES:
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 1408
• ??????? ?., ????? ?. ????? ?????????. - ?.1. - ?.: ?????. ??????????? ??????, 2008. – P. 366
• ???????? ?.?. ?????? ????? ?????. - ?.1. - ?.: ?????, 1973. – P. 639
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 95

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