天气预报 > 其他 > 化学五氧化二磷是固体吗
化学五氧化二磷是固体吗
更新时间: 2020-09-26 00:00:00  

五氧化二磷是白色固体。磷在氧气中燃烧、或者被点燃而生成,化学式P2O 5。白色无定形粉末或六方晶体,易吸湿。360℃升华。易燃。溶于水产生大量热并生成磷酸,对乙醇的反应与水相似。相对密度 2、39,熔点569℃。为酸性氧化物有腐蚀性,不可用手直接触摸或食用,也不可直接闻气味。

关键词: 化学 氧化 固体

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