Cr(element)

Formula : Cr

Family: 
Space group: 
Isometric - Hexoctahedral HM symbol (4/m -3 2/m) Space Group: I m3m
Dana class: 
1.1.12.1I - 1 Native Elements ; 1.1 Native Elements with metallic elements other than the platinum group ; 1.1.12

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
51.966 7.230 0 0 23.618 23.44
Reaction properties

Cr(element) + 0.5O2 + 2H+ ⇌ Cr+2 + H2O

298.15 K, 1 bar log10K: 70.93 ΔH°r: -574970 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 77.92 70.93 62.85 55.43 48.08 42.21 37.38 33.27