- Definition of Fe2O3
Fe2O3, also known as Iron(III) oxide or Hematite, is a red to brown solid. It is one of the main substances of iron ore and is an important source of metallic iron.
1.1 Names
1.1.1 Common name: Iron (III) Oxide, Hematite
1.1.2 English name: Iron(III) oxide, Hematite
1.2. Atomic mass: 55.845 (iron), 15.999 (oxygen)
1.3. Molecular mass: 159.69 g/mol
1.3.1 Molecular structure: Consists of two iron atoms and three oxygen atoms
1.4 Ion structure: Fe3+, O2-
- Properties of Fe2O3
2.1 Physical properties Fe2O3
State: Solid
Color: Red to brown
Smell: Odorless
PH level: Not applicable
2.2 Chemical properties Fe2O3: Insoluble in water, soluble in acid. Very little reaction with other substances at room temperature.
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Common chemical equations of Fe2O3
Metal reaction: Fe2O3 + 2Al -> 2Fe + Al2O3
Acid reaction: Fe2O3 + 6HCl -> 2FeCl3 + 3H2O
Non-metal reaction: Fe2O3 + 3C -> 2Fe + 3CO -
Synthesis of Fe2O3
4.1 Laboratory synthesis of Fe2O3: Iron(III) oxide can be synthesized by heating iron in the air.
4.2 Industrial synthesis of Fe2O3: In industry, Fe2O3 is usually produced from iron ore through a high temperature process.