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水 (Water)

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水是由氫、氧兩種元素經過化學反應後組成的無機物,在常溫常壓下為無色無味的透明液體。水是地球上最常見的物質之一,是包括人類在內所有生命生存的重要資源,也是生物體最重要的組成部分。水在生命演化中起到了重要的作用。人類很早就開始對水產生了認識,東西方古代樸素的物質觀中都把水視為一種基本的組成元素,水是中國古代五行之一。 维基百科
密度: 997 kg/m³
摩尔质量: 18.01528 g/mol
分子式: H2O
营养成分表
資料來源: USDA
每份含量
能量 (kcal) 0
更多有关“水”的信息
Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent ...

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Water content as a percentage (%): Food or drink
1-9%: Nuts, chocolate cookies, crackers, cereals

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