O2 + 2 Ba → 2 BaO

This is an oxidation-reduction (redox) reaction:

2 O0 + 4 e- → 2 O-II (reduction)

2 Ba0 - 4 e- → 2 BaII (oxidation)

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

Reactants:

  • 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
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04
  • 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

Products:

  • 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