| 单词 | hydrogen carbonate |
| 例句 | The carbon dioxide was then dissolved in water, reacting to produce hydrogen carbonate, a weak acid that subsequently ionized to yield bicarbonate and hydrogen ions: Chemistry 2019-02-14T00:00:00Z Each batch contains simple, naturally occurring ingredients, such as sodium carbonate, coconut oil, sodium tetra-borate, sodium hydrogen carbonate and optional essential oils such as lemongrass and eucalyptus, to leave clothes soft, clean and smelling good. Eco-friendly laundry detergent cleans without chemicals | Produced by Advertising Publications 2018-09-29T04:00:00Z The alum baking powders consist of a mixture of alum and sodium hydrogen carbonate. An Elementary Study of Chemistry Sodium hydrogen carbonate hinders far less the commencement of nitrification. Scientific American Supplement, No. 470, January 3, 1885 This acid condition is due to two salts, sodium hydrogen carbonate and sodium hydrogen phosphate; these cause the symptoms observed and infiltration of fat in organs, leading to feebleness of heart action. Scott's Last Expedition Volume I Although they are insoluble in pure water, alkaline earth carbonates dissolve readily in water containing carbon dioxide because hydrogen carbonate salts form. Chemistry 2019-02-14T00:00:00Z Write Lewis structures for the hydrogen carbonate ion and hydrogen peroxide molecule, with resonance forms where appropriate. Chemistry 2019-02-14T00:00:00Z The ammonia and carbon dioxide evolved in the latter two reactions are used in the preparation of an additional quantity of ammonium hydrogen carbonate. An Elementary Study of Chemistry Stalactites and stalagmites, like those shown in Figure 18.30, form in caves when drops of water containing dissolved calcium hydrogen carbonate evaporate to leave a deposit of calcium carbonate. Chemistry 2019-02-14T00:00:00Z The reason the first reaction takes place is that sodium hydrogen carbonate is sparingly soluble in water, while the other compounds are freely soluble. An Elementary Study of Chemistry As long as the powder is dry, no reaction occurs; immediately after the addition of water, the acid reacts with the hydrogen carbonate ions to form carbon dioxide: Chemistry 2019-02-14T00:00:00Z When strong solutions of sodium chloride and of ammonium hydrogen carbonate are brought together the sparingly soluble sodium hydrogen carbonate is precipitated. An Elementary Study of Chemistry Much expense is also saved in fuel, and the sodium hydrogen carbonate, which is the first product of the process, has itself many commercial uses. An Elementary Study of Chemistry |
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