4 FeS2 + 11 O2 → 8 SO2 + 2 Fe2O3 - Balanced Equation

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4FeS2+11O2→8SO2+2Fe2O3

This is an oxidation-reduction (redox) reaction:

8S-I-40e-→8SIV(oxidation)

4FeII-4e-→4FeIII(oxidation)

22O0+44e-→22O-II(reduction)

FeS2 is a reducing agent, FeS2 is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • FeS2
    • Names: Ferrous disulfide source: wikidata, accessed: 2019-09-02, Fool's gold source: wikidata, accessed: 2019-09-02, Iron disulfide source: wikidata, accessed: 2019-09-02... show moreshow less
  • O2
    • Names: Dioxygen source: wikidata, accessed: 2019-09-07, Oxygen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed: 2019-09-04... show moreshow less
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04

Products:

  • SO2 – Sulfur dioxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Sulfurous anhydride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sulphur dioxide source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-02, Sulfurous acid anhydride source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02... show moreshow less
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-28; Colourless gas or compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • Fe2O3 – Iron(III) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07
    • Other names: Ferric oxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02, Hematite source: wikipedia, accessed: 2019-09-27, Ferric iron source: wikipedia, accessed: 2019-09-27... show moreshow less
    • Appearance: Red-brown solid source: wikipedia, accessed: 2019-09-27; Reddish brown-to-black crystals or powder source: ICSC, accessed: 2019-09-04; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] source: NIOSH NPG, accessed: 2019-09-02; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.] source: NIOSH NPG, accessed: 2019-09-02

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