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2 F + Fluoronium ion HF Hydrogen fluoride: HCl Hydrochloric acid: Cl − Chloride ion H 2 SO 4 Sulfuric acid: HSO − 4 Hydrogen sulfate ion (bisulfate ion) HNO 3 Nitric acid: NO − 3 Nitrate ion H 3 O + Hydronium ion H 2 O Water: HSO − 4 Hydrogen sulfate ion SO 2− 4 Sulfate ion H 3 PO 4 Phosphoric acid: H 2 PO − 4 Dihydrogen phosphate ...
When conducted in warm water, Na 2 SO 3 initially precipitates as a white solid. With more SO 2, the solid dissolves to give the disulfite, which crystallizes upon cooling. [2] SO 2 + 2 NaOH → Na 2 SO 3 + H 2 O. Sodium sulfite is made industrially by treating sulfur dioxide with a solution of sodium carbonate. [3] The overall reaction is:
Solubility tables; Substance Formula 0 °C 10 °C 15 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Actinium(III) hydroxide
Sodium hydroxide – NaOH; Sodium hypobromite – NaOBr; Sodium hypochlorite – NaOCl; Sodium hypoiodite – NaOI; Sodium hypophosphite – NaPO 2 H 2; Sodium iodate – NaIO 3; Sodium iodide – NaI; Sodium manganate – Na 2 MnO 4; Sodium molybdate – Na 2 MoO 4; Sodium monofluorophosphate (MFP) – Na 2 PFO 3; Sodium nitrate – NaNO 3 ...
The amphoteric nature of water. The essence of Brønsted–Lowry theory is that an acid is only such in relation to a base, and vice versa. Water is amphoteric as it can act as an acid or as a base. In the image shown at the right one molecule of H 2 O acts as a base and gains H + to become H 3 O + while the other acts as an acid and loses H ...
The standard Gibbs free energy of formation (G f °) of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 bar of pressure and the specified temperature, usually 298.15 K or 25 °C).
For example, carbon dioxide, CO 2, is the anhydride of carbonic acid, H 2 CO 3, and sulfur trioxide, SO 3, is the anhydride of sulfuric acid, H 2 SO 4. These anhydrides react quickly with water and form those oxyacids again. [4] Many organic acids, like carboxylic acids and phenols, are oxyacids. [3]
Carbonic acid is an illustrative example of the Lewis acidity of an acidic oxide. CO 2 + 2OH − ⇌ HCO 3 − + OH − ⇌ CO 3 2− + H 2 O. This property is a key reason for keeping alkali chemicals well sealed from the atmosphere, as long-term exposure to carbon dioxide in the air can degrade the material.
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