Al(element)

Formula : Al

Family: 
Element
Space group: 
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m,P m3m
Dana class: 
1.1.1.5 (1)Native Elements(1.1) with metallic elements other than the platinum group (1.1.1) Gold group
High temperature: 
Minor phase in low oxygen fugacity environments. In volcanic environment. Aluminum is present in some solid waste from incineration. Aluminun is a strong oxydizer.
Geological context: 
No data are avalaible for the natural environment. Produced from chemical extraction of bauxite (Al2O3).

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
26.982 9.999 (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. 0 (Ref.: Internal calculation) 0 (Ref.: By convention) 28.300 (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. 24.20 (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.
22.59 9.61 -1.11 (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

Al(element) + 0.75O2 + 3H+ ⇌ Al+3 + 1.5H2O

298.15 K, 1 bar log10K: 149.92 ΔH°r:-958045 J·mol-1 (Ref.: By convention)
T(°C) 0 25 60 100 150 200 250 300
log10K 165.24 149.92 132.23 115.96 99.81 86.90 76.27 67.28
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-627.299139 -0.102583 83655.222688 222.506623 -2075771.489468