Si + 3 BaO → BaSiO3 + 2 Ba

This is an oxidation-reduction (redox) reaction:

Si0 - 4 e- → SiIV (oxidation)

2 BaII + 4 e- → 2 Ba0 (reduction)

Si is a reducing agent, BaO is an oxidizing agent.

Reactants:

  • Si
    • Names: Silicon source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Si source: wikidata, accessed: 2019-09-07, Element 14 source: wikidata, accessed: 2019-09-07
    • Appearance: Steel-grey crystals or black-to-brown amorphous powder source: ICSC, accessed: 2019-09-04; Black to gray, lustrous, needle-like crystals. [Note: The amorphous form is a dark-brown powder.] source: NIOSH NPG, accessed: 2019-09-02
  • BaO
    • Names: Barium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Barium monoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Barium protoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; Yellowish-white solid in various forms source: ICSC, accessed: 2019-09-04

Products:

  • BaSiO3
    • Ba
      • Names: Barium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Ba source: wikidata, accessed: 2019-09-07, Element 56 source: wikidata, accessed: 2019-09-07
      • Appearance: Yellowish-to-white lustrous solid in various forms source: ICSC, accessed: 2019-09-04