火焰属于三态中的什么态?如题 谢谢了

2024-11-08 10:09:35
推荐回答(3个)
回答1:

火焰是由激发态和等离子态共同组成的。

火焰的产生:

火焰的产生是由于化石燃料中的化学能中释放的大量能量,使得反应中的气体分子或原子吸收能量,电子获得能量从较低轨道的能级越迁到较高的能级,电子跃迁的同时产生光亮,处于随时可能会电离的激发态,化学反应则释放出大量的热量。

火焰就是由这种现象和已经电离的状态,这两者相结合而组成,这就是火焰的本质——现象加等离子体。

扩展资料

物质形态是指物质存在的具体形式和状态。实物与场是目前为止人们所知的两种基本物质形态。

实物指自然界中以分立的聚集状态存在的物质。通常有物质的气态、液态、固态、等离子态、中子态,此外还有超流态、超导态等。

温度在800度以上的火焰成为高温火焰,800度以下的火焰称为低温火焰。

我们日常生活中使用的火焰一般属于低温火焰,低温火焰的组成与高温火焰有所不用,低温火焰基本上是由处于激发态的气体或者原子组成的,低温火焰的等离子体占比非常小,高温火焰等离子体占比大。

温度越高代表化学反应越剧烈,那么处于激发态的气体分子和原子都变成了等离子态了。一般可以说低温火焰是一种化学现象,而高温火焰则是一种等离子态的状态。

参考资料百度百科——等离子态

             百度百科——火焰

回答2:

离子态.火就是介于气态、固态、液态以外的等离子态。 火一般是物质间发生化学反应释放能量的一种形式。火本身是释放能量的形式,就像爆炸一样,是形式,不是物质,当然没有质量,但这个形式所包含的物质是有质量体积的。不同的物质燃烧具有不同的物态,碳是固态,石蜡是液态,氢气是气态。 而所谓等离子态,是纯净物的一种态,和固态、液态、气态一样,这是气体在约几百万度的极高温或在其它粒子强烈碰撞下所呈现出的物态。这时,电子从原子中游离出来而成为自由电子。等离子体就是一种被高度电离的气体,但是它又处于与“气态”不同的“物态”——“等离子态”。太阳及其它许多恒星是极炽热的星球,它们就是等离子体。

回答3:

物质分为固、液、气 三态,那么火是什么物质?科学家也无法分类

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