Hg2SO4

Formula : Hg2SO4

Family: 
Sulfates

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
497.244 65.773 (Ref.: 95rob/hem) Robie R.A., and Hemingway B.S., 1995. Thermodynamic properties of minerals and related substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S. Geol. Survey Bull., 2131, 461 pp. -625780 (Ref.: Internal calculation) -743090 (Ref.: 89cox/wag) Cox J.D., Wagman D.D., and Medvedev V.A., 1989. CODATA Key Values for Thermodynamics. Hemisphere Publishing Corp., New York, 279 p. 200.700 (Ref.: 89cox/wag) Cox J.D., Wagman D.D., and Medvedev V.A., 1989. CODATA Key Values for Thermodynamics. Hemisphere Publishing Corp., New York, 279 p. 132.33 (Ref.: 77bar/kna) Barin I., Knacke O., and Kubaschewski I., 1977: Thermochemical properties of inorganic substances. Springer Verlag, Berlin.
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
103.97 131.08 -9.53 (Ref.: 77bar/kna) Barin I., Knacke O., and Kubaschewski I., 1977: Thermochemical properties of inorganic substances. Springer Verlag, Berlin.
Reaction properties

Hg2SO4 ⇌ Hg2+2 + SO4-2

298.15 K, 1 bar log10K: -6.19 ΔH°r:620 J·mol-1 (Ref.: 89cox/wag) Cox J.D., Wagman D.D., and Medvedev V.A., 1989. CODATA Key Values for Thermodynamics. Hemisphere Publishing Corp., New York, 279 p.
T(°C) 0 25 60 100 150 200 250 300
log10K -6.28 -6.19 -6.27 -6.54 -7.04 -7.73 -8.63 -9.89
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1565.347992 -0.251986 85551.994551 567.834489 -5131495.995778