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1805年,经过Gay-Lussac和Humbolt的定量研究,进一步确定了氢和氧按二比一的比例相化合,至此,水的化学组成为H2O被初步确立。 水(H2O)是地球上最常见且最重要的化合物之一,其独特的化学性质使其在生命与生态中扮演着至关重要的角色。 H2O分子由两个氢原子和一个氧原子组成,形成了一个弯曲的结构,这种结构赋予了水许多独特的特性。 水(H2O)是由氢、氧两种元素组成的无机物,在常温常压下为无色无味的透明液体。 水是最常见的物质之一,是包括人类在内有生命生存的重要资源,也是生物体最重要的组成部分。
中文名:水,英文名:Water,CAS:7732-18-5,化学式:H2O,分子量:18.01,密度:0.998 g/cm3 (20℃),熔点:0.0 °C,沸点:100°C (lit.),水溶性:Soluble in water. Although water molecules are simple in structure (h2o), the physical and chemical properties of water are extraordinarily complicated 水,化学式为H2O,是地球上最重要的物质之一。 它以独特的分子结构而闻名,每个水分子由两个氢原子和一个氧原子组成,这种简单而又复杂的结构赋予了水许多独特的化学和物理属性,例如高比热、极性的溶剂特性以及惊人的表面张力。
水(H2O)的性质—重要的物理和化学性质_氧原子_结构_组成部分
化工产品查询提供CAS号7732-18-5,水,蒸馏水,去离子水,Water,H2O物理化学基本性质,分子式,分子结构,密度,熔点,沸点,价格,作用,应用,供应商,危险品标志,别名等信息 水 (化学式:H2O)是由 氢 、 氧 两种 元素组成 的无机化合物,在常温常压下为无色无味的透明液体。 水是 极性分子,由氢和氧两种元素通过 极性共价键 集合形成。 以水作为溶剂,将其他的物质溶解到水中,就得到了水溶液。 水(化学式:H2O)是地球表面上最多的分子,除了以气体形式存在于大气中,其液体和固体形式占据了地面70-75%组成部分。 标准状况下,水在液体和气体之间保持动态平衡。 室温下,它是无色,无味,透明的液体。 作为通用溶剂之一,水可以溶解许多物质。 Water rapids, niagara falls, canada water is the most plentiful compound on earth and is essential to life
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