WO3 + 3 H2 → W + 3 H2O

This is an oxidation-reduction (redox) reaction:

WVI + 6 e- → W0 (reduction)

6 H0 - 6 e- → 6 HI (oxidation)

WO3 is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • WO3
  • H2
    • Names: Dihydrogen source: wikidata, accessed: 2019-09-07, Hydrogen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, H2 source: wikidata, accessed: 2019-09-07
    • Appearance: Odourless colourless compressed gas source: ICSC, accessed: 2019-09-04

Products:

  • W
    • Names: Tungsten source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02, Tungsten (powder) source: ICSC, accessed: 2019-09-04, W source: wikidata, accessed: 2019-09-07
    • Appearance: Grey-to-white powder source: ICSC, accessed: 2019-09-04; Hard, brittle, steel-gray to tin-white solid. source: NIOSH NPG, accessed: 2019-09-02
  • 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