FeSO₄

Formula : FeSO₄

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Dernière mise à jour le 25.01.2021

Individual properties (298.15 K)

M g·mol^-1	V° cm³·mol^-1	ΔGº_f J·mol^-1	ΔHº_f J·mol^-1	Sº J·mol^-1·k^-1	C_P J·mol^-1·K^-1
151.911	41.500 (Ref.: 01mer/vie) Lionel Mercury, Philippe Vieillard, Yves Tardy, 2001. Thermodynamics of ice polymorphs and 'ice-like' water in hydrates and hydroxides. Applied Geochemistry, Volume 16, Issue 2, February 2001, Pages 161-181	-828230 (Ref.: Internal calculation)	-932200 (Ref.: 02hem/sea) Hemingway, B.S., Seal, R.R., II, and Chou, I-M. (2002) Thermodynamic data for modeling acid mine drainage problems. Part I. Selected soluble iron-sulfate minerals. U.S. Geological Survey Open File Report 02 - 161, 13 p.	120.960 (Ref.: 02hem/sea) Hemingway, B.S., Seal, R.R., II, and Chou, I-M. (2002) Thermodynamic data for modeling acid mine drainage problems. Part I. Selected soluble iron-sulfate minerals. U.S. Geological Survey Open File Report 02 - 161, 13 p.	100.64 (Ref.: 98cha) Chase, M.W.J., 1998. NIST-JANAF Thermochemical Tables, Journal of Physical Chemistry Reference Data, Vol. 9, 4th Edition. National Institute of Standards and Technology, Washington DC, 1951 pp.

C_P(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.
96.69	76.47	-16.76	(Ref.: 98cha) Chase, M.W.J., 1998. NIST-JANAF Thermochemical Tables, Journal of Physical Chemistry Reference Data, Vol. 9, 4th Edition. National Institute of Standards and Technology, Washington DC, 1951 pp.

Reaction properties

FeSO₄ ⇌ Fe⁺² + SO₄^-²

298.15 K, 1 bar log₁₀K: 1.10 ΔH°_r:-67140 J·mol^-1

T(°C)	0	25	60	100	150	200	250	300
log₁₀K	2.09	1.10	-0.24	-1.68	-3.38	-5.04	-6.77	-8.74

log₁₀K(T) = A + B·T + C·T^-1 + D·log₁₀(T) + E·T⁻² (T in Kelvin)

A	B	C	D	E
-1666.499794	-0.268033	94748.783664	602.859882	-5512109.164586