2 Zn (s) + O2 (g) + 2 H2O (l) → 2 Zn(OH)2 (s)

This is an oxidation-reduction (redox) reaction:

2 Zn0 - 4 e- → 2 ZnII (oxidation)

2 O0 + 4 e- → 2 O-II (reduction)

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

Reactants:

  • Zn
    • Names: Zinc source: wikidata, accessed: 2019-09-07, Zinc powder (pyrophoric) source: ICSC, accessed: 2019-09-04, Zn source: wikidata, accessed: 2019-09-07
    • Appearance: Grey-to-blue powder source: ICSC, accessed: 2019-09-04
  • 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
  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27

Products:

  • Zn(OH)2
    • Names: Zinc hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Zinc(II) hydroxide source: wikidata, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28