2 CaSO4 (s) + C (s) 2 CaO (s) + 2 SO2 (g) + CO2 (g)

This is an oxidation-reduction (redox) reaction:

2 SVI + 4 e- 2 SIV (reduction)

C0 - 4 e- CIV (oxidation)

CaSO4 is an oxidizing agent, C is a reducing agent.

Reactants:

  • CaSO4
    • Names: Calcium sulfate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02, Plaster of Paris source: wikipedia, accessed on: 2019-09-27, Drierite source: wikipedia, accessed on: 2019-09-27
    • Appearance: White solid source: wikipedia, accessed on: 2019-09-27; White hygroscopic powder or crystalline powder source: ICSC, accessed on: 2019-09-04; Odorless, white powder or colorless, crystalline solid. [Note: May have blue, gray, or reddish tinge.] source: NIOSH NPG, accessed on: 2019-09-02
  • C
    • Names: Carbon black source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Acetylene black source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Channel black source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Odourless black pellets or extremely fine powder source: ICSC, accessed on: 2019-09-04; Black, odorless solid. source: NIOSH NPG, accessed on: 2019-09-02

Products:

  • CaOCalcium oxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Quicklime source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Burnt lime source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Unslaked lime source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: White to pale yellow/brown powder source: wikipedia, accessed on: 2019-09-27; White hygroscopic crystalline powder source: ICSC, accessed on: 2019-09-04; White or gray, odorless lumps or granular powder. source: NIOSH NPG, accessed on: 2019-09-02
  • SO2Sulfur dioxide source: wikipedia, accessed on: 2019-09-28source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Sulfurous anhydride source: wikipedia, accessed on: 2019-09-28source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Sulphur dioxide source: ICSC, accessed on: 2019-09-04source: wikidata, accessed on: 2019-09-02, Sulfurous acid anhydride source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed on: 2019-09-28; Colourless gas or compressed liquefied gas with pungent odour source: ICSC, accessed on: 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 on: 2019-09-02
  • CO2
    • Names: Carbon dioxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, CO2 source: wikidata, accessed on: 2019-09-02, Carbonic acid gas source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed on: 2019-09-27; Odourless colourless compressed liquefied gas source: ICSC, accessed on: 2019-09-04; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.] source: NIOSH NPG, accessed on: 2019-09-02