Formation of Vanadium(V) Oxide
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4V + 5O2 → 2V2O5
Visão geral
Vanadium metal reacts with oxygen to form vanadium(V) oxide (vanadium pentoxide). This orange-yellow compound is a powerful catalyst used in the Contact Process for sulfuric acid production. It exhibits catalytic properties due to its ability to cycle between oxidation states.
Participantes
| Papel | Substância | Coeficiente | Estado |
|---|---|---|---|
| Reagente | Vanadium V | 4 | (s) |
| Reagente | Oxygen O | 5 | (g) |
| Produto | Vanadium(V) Oxide V₂O₅ | 2 | (s) |
Exemplo do cotidiano
Vanadium pentoxide is used in some specialized ceramics and glass to produce a yellow or amber color.
Importância industrial
O V₂O₅ é o catalisador principal no fabrico de ácido sulfúrico (processo de contacto), sendo responsável por mais de 200 milhões de toneladas de H₂SO₄ anuais. É também utilizado em baterias de fluxo de redox de vanádio para armazenamento de energia em rede.
Propriedades
- Tipo
- Synthesis
- Reversível
- Não
- Energia
- Exotérmico
- ΔH
- -3102,0 kJ/mol