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["수증기가 산소와 수소가 되는 경우\n", "수증기가 어떤 온도나 조건에서 O와 H가 되는지 궁금합니다. 추가 점수를 주시면 감사하겠습니다.\", "记得《十万个为什么》里说过\n", "수증기를 식히면 물로 생성한 후 전해를 진행하면 산소와 수소가 될 수 있습니다.\"\n", "수증기 분해 전환은 두 가지 요인에 따라 결정됩니다: \n" "수는 동시에 초临界压力和临界温度下会转化为超临界流体,这一点是在374°C下的28个大气压下水蒸汽可以在几千度下保持气态。但是\n需要50000 ℃以上这这个需要一系列热力学计算。氢氧燃烧时的氢氧焰可以达到25500 3 "在这一温度下燃烧依然生成水说明水在这个温度下几乎是不会分解的 \(", "현재 익사법,膜分离技术和光分离技术是成熟的办法单纯的加热似乎行不通""}

2018-01-04View Original

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水蒸气在多少温度下或其他什么条件会成为O2和H2,谢谢,加分,重加。
Reply #22018-01-05
记得【十万个为什么】里说过
Reply #32018-01-08
水蒸汽冷凝成水再进行电解可以变成氧气和氢气。
Reply #42018-01-08
水蒸汽的分解转化下限要看两个因素: 1。转化为超临界流体 水在同时满足高于临界压力和临界温度的情况下会转化为超临界流体,这个点是218个大气压下的374°C。但是,在一个大气压下,水蒸汽可以在几千度下保持在气态。 2.水的受热分解 据说需要5000℃以上,这个要经过一系列的热力学计算。氢氧燃烧时的氢氧焰可以达到2500-3000℃,在这个温度下燃烧依然生成水,说明水在这个温度下几乎是不会分解的。
Reply #52018-01-15
现在成熟的有电解水。在实验室实验的,有膜分离技术,还有光分离技术,单纯的加热什么的办法貌似搞不成事。

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