Formation of Phosphorus Pentoxide
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P4 + 5O2 → P4O10
概述
White phosphorus burns vigorously in oxygen to form phosphorus pentoxide, an extremely powerful desiccant. The reaction is highly exothermic and phosphorus can spontaneously ignite in air. Phosphorus pentoxide reacts violently with water to form phosphoric acid.
参与者
| 角色 | 物质 | 系数 | 状态 |
|---|---|---|---|
| 反应物 | Phosphorus P | 1 | (s) |
| 反应物 | Oxygen O | 5 | (g) |
日常示例
Phosphorus pentoxide is used as a drying agent in laboratory settings because it absorbs water so aggressively.
工业重要性
五氧化二磷（磷酸酐）是极强的干燥剂和脱水剂，用于制备高纯磷酸、有机磷试剂和半导体工业中的磷扩散源。
属性
- 类型
- Synthesis
- 可逆
- 否
- 能量
- 放热
- ΔH
- -2984.0 kJ/mol
相关反应
Formation of Calcium Hydroxide
Formation of Carbon Monoxide
Formation of Nitrogen Dioxide
Formation of Potassium Chloride
Formation of Sodium Bicarbonate
Formation of Sodium Peroxide
Formation of Silicon Dioxide
Formation of Tungsten Carbide
Formation of Copper(II) Sulfide
Fischer-Tropsch Synthesis (General)
Frequently Asked Questions
What is the equation for Formation of Phosphorus Pentoxide?
The balanced equation is: P₄ + 5O₂ → P₄O₁₀.
What type of reaction is Formation of Phosphorus Pentoxide?
Formation of Phosphorus Pentoxide is a synthesis reaction.
Is Formation of Phosphorus Pentoxide exothermic or endothermic?
Formation of Phosphorus Pentoxide is exothermic (releases energy). The enthalpy change (ΔH) is -2984.0 kJ/mol.