Tenorite

Formula : CuO

Family: 
Oxides
Space group: 
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Dana class: 
4.2.3.1 (4)Simple Oxides (4.2) with a cation charge of 2+ (A++ O) (4.2.3)Dana Group
High temperature: 
Stable at room temperature.
Geological context: 
Tenorite is a secondary copper mineral found in oxidization profile of copper deposits. Stable at room-temperature.

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
79.545 12.630 (Ref.: 84pan) Pankratz L. B., 1984, Thermodynamic Properties of Halides (U. S. Bureau of Mines Bulletin 674, 1984, 826 p). -128491 (Ref.: 07pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gadja, T., Hefter, G., Sjoberg, S., Wanner, H., 2007. Chemical speciation of environmentally significant metals with inorganic ligands Part 2 : The Cu[2+]-OH[-], Cl[-], CO[3][2-], SO[4][2-], and PO[4][3-] systems : (IUPAC Technical Report). Pure and applied chemistry, USA. -156256 (Ref.: Internal calculation) 42.600 (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. 42.26 (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.
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.
48.51 7.55 -7.56 (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

Tenorite + 2H+ ⇌ Cu+2 + H2O

298.15 K, 1 bar log10K: 7.64 ΔH°r:-64396 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 8.68 7.64 6.47 5.41 4.39 3.56 2.86 2.21
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-336.564884 -0.051335 20731.810288 121.396984 -925575.998539