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Properties of fe2O3

Properties of Fe2O3 (Iron(III) oxide):

Compound NameIron(III) oxide
Chemical FormulaFe2O3
Molar Mass159.6882 g/mol

Chemical structure
Fe2O3 (Iron(III) oxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceRed solid
OdorOdorless
Solubilityinsoluble
Density5.2500 g/cm³
Helium 0.0001786
Iridium 22.562
Melting1,539.00 °C
Helium -270.973
Hafnium carbide 3958
Thermochemistry
Heat Capacity103.90 J/(mol·K)
Boron nitride 19.7
Hentriacontane 912
Enthalpy of Formation-824.20 kJ/mol
Adipic acid -994.3
Tricarbon 820.06
Standard Entropy87.40 J/(mol·K)
Ruthenium(III) iodide -247
Chlordecone 764

Alternative Names

ferric oxide, haematite, ferric iron, red iron oxide, rouge, maghemite, colcothar, iron sesquioxide, rust, ochre

Elemental composition of Fe2O3
ElementSymbolAtomic weightAtomsMass percent
IronFe55.845269.9426
OxygenO15.9994330.0574
Mass Percent CompositionAtomic Percent Composition
Fe: 69.94%O: 30.06%
Fe Iron (69.94%)
O Oxygen (30.06%)
Fe: 40.00%O: 60.00%
Fe Iron (40.00%)
O Oxygen (60.00%)
Mass Percent Composition
Fe: 69.94%O: 30.06%
Fe Iron (69.94%)
O Oxygen (30.06%)
Atomic Percent Composition
Fe: 40.00%O: 60.00%
Fe Iron (40.00%)
O Oxygen (60.00%)
Identifiers
CAS Number1309-37-1
SMILESO1[Fe]2O[Fe]1O2
Hill formulaFe2O3

Related compounds
FormulaCompound name
FeOIron(II) oxide
FeO2Iron(II) peroxide
Fe3O4Iron(ii,iii) oxide
Fe2(O2)3Iron(III) peroxide

Sample reactions for Fe2O3
EquationReaction type
Fe2O3 + CO = Fe + CO2double replacement
Fe2O3 + H2 = Fe + H2Osingle replacement
Al + Fe2O3 = Al2O3 + Fesingle replacement
Fe2O3 + C = CO + Fesingle replacement
Fe2O3 + C = Fe + CO2single replacement

Related
Molecular weight calculator
Oxidation state calculator

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