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为什么shui不能燃烧?

本站新(短)域名:xiguashuwu.com

为什么水不能燃烧?

燃烧,通常是指wu质和氧气剧烈化合的一个过程。酒jing1、汽油、煤油和水都是无se透明的yeti,其中,酒jing1是由碳、氢、氧3zhong元素组成的;汽油和煤油只han碳和氢。酒jing1、汽油、煤油都能燃烧。燃烧以后,每1个碳原子跟2个氧原子结合,变成了二氧化碳;每2个氢原子与1个氧原子结合成了水。当全bu碳都变成了二氧化碳、全bu氢都变成水以后,它们也就烧完了。从燃烧的过程可以得chu,水由氢和氧两zhong元素组成的,是氢气燃烧以后的产wu。既然是燃烧后的产wu,当然它也就没有再和氧气结合的本领,所以,它不能再燃烧了。

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