Periodic table of elements

Hydrogen bromide [HBr]

SOLUBILITY:
water [H2O]: 221 (0), 193 (25), 130 (100)
fluorine hydride [HF]: ?.?.
ethanol [C2H5OH]: ?.

PROPERTIES:
colourless gas
M (molar mass): 80,910 g/mol
MP (melting point): -86,9 °C
MB (boiling point): -66,8 °C
D (density): 0,003645 (20, ?/??3, ?.)
ΔHmelt (molar enthalpy of melting): 2,41 kJ/mol
ΔHboil (molar enthalpy of boiling): 17,61 kJ/mol
ΔH°298 (Standard molar enthalpy of reaction at 298 К): -34,1 (?) kJ/mol
ΔG°298 (standard molar Gibbs energy of reaction at 298 К): -51,2 (?) kJ/mol
298 (standard molar entropy at 298 К): 198,6 (?) J/(mol•К)
p (standard molar heat capacity): 28,01 (?) J/(mol•К)
Dip (dipole moment): 0,79 (20) debye
pKa1 (acid dissociation constant): -9 (25, ????)
ε (permittivity): 6,3 (-80) 1,0028 (21)
Тcrit. (critical temperature): 89,8°C
Рcrit. (critical pressure): 8,51 mPa
Dcrit. (critical density): 0,807 g/cm3
H0 (Hammett acidity function for pure substances): -4,85 (25, ????, 56% ?????? ???????), -10 (25)

LITERARY REFERENCES:
• ?????????? ??????. - ?.3. - ?.-?.: ?????, 1965. – P. 78
• ?????????? ??????. - ?.3. - ?.-?.: ?????, 1965. – P. 367 452-453
• Olah G.A., Prakash G.K.S., Molnar A., Sommer J. Superacid chemistry. - 2ed. - Wiley, 2009. – P. 62
• Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1 - New York: D. Van Nostrand Company, 1940. – P. 568-569
• ????????? ?.?., ????? ?.?. ??????? ?????????? ??????????. - ?.: ?????, 1977. – P. 57
• ?????? ?????. - 1966. - ?.35, ?11. – P. 1937

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