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Encyclopedia > Bicarbonate

In inorganic chemistry, a bicarbonate (IUPAC-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid. Image File history File links This is a lossless scalable vector image. ... Sodium bicarbonate is the chemical compound with the formula NaHCO3. ... Inorganic chemistry is the branch of chemistry concerned with the properties and reactions of inorganic compounds. ... The International Union of Pure and Applied Chemistry (IUPAC) is an international non-governmental organization devoted to the advancement of chemistry. ... Deprotonation is a chemistry term that refers to the removal of a proton (hydrogen ion H+) from a molecule, forming the conjugate base. ... Carbonic acid (ancient name acid of air or aerial acid) has the formula H2CO3. ...

Contents

Chemical properties

Structure of bicarbonate
Structure of bicarbonate

The bicarbonate ion (hydrogen carbonate) is an anion with the empirical formula HCO3 and a molecular mass of 61.01 daltons; it consists of one central carbon atom surrounded by three oxygen atoms in a trigonal planar arrangement, with a hydrogen atom attached to one of the oxygens. The bicarbonate ion carries a negative one formal charge and is the conjugate base of carbonic acid, H2CO3; it is the conjugate acid of CO32−, the carbonate ion as shown by these equilibrium reactions. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... An anion is an ion with negative charge. ... In chemistry, the empirical formula of a chemical compound is a simple expression of the relative number of each type of atom (called a chemical element) in it. ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... General Name, Symbol, Number carbon, C, 6 Chemical series nonmetals Group, Period, Block 14, 2, p Appearance black (graphite) colorless (diamond) Standard atomic weight 12. ... General Name, Symbol, Number oxygen, O, 8 Chemical series nonmetals, chalcogens Group, Period, Block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Standard atomic weight 15. ... The unified atomic mass unit (u), or Dalton (Da), is a small unit of mass used to express atomic and molecular masses. ... Properties In chemistry and physics, an atom (Greek ἄτομος or átomos meaning indivisible) is the smallest particle still characterizing a chemical element. ... ǃǁɚɵ A generic trigonal planar molecule showing ideal bond angle. ... In chemistry, a formal charge (FC) on an atom in a molecule is defined as: FC = number of valence electrons of the atom - number of Lone pair electrons on this atom - half the total number of electrons participating in covalent bonds with this atom. ... Within the Brønsted-Lowry (protonic) theory of acids and bases, a conjugate acid is the acid member, HX, of a pair of two compounds that transform into each other by gain or loss of a proton. ... Carbonic acid (ancient name acid of air or aerial acid) has the formula H2CO3. ... In organic chemistry, a carbonate is a salt of carbonic acid. ...


CO32- +2 H2O ⇋ HCO31- + H2O + OH1- ⇋ H2CO3 +2 OH1-


H2CO3 +2 H2O ⇋ HCO31- + H3O1+ + H2O ⇋ CO32- +2 H3O1+



A bicarbonate salt forms when a positively charged ion attaches to the negatively charged oxygen atoms of the ion, forming an ionic compound. Many bicarbonates are soluble in water at standard temperature and pressure, particularly sodium bicarbonate and magnesium bicarbonate; both of these substances contribute to total dissolved solids, a common parameter for assessing water quality. A chemical compound is a chemical substance of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. ... Solubility refers to the ability for a given substance, the solute, to dissolve in a solvent. ... Impact from a water drop causes an upward rebound jet surrounded by circular capillary waves. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... Sodium bicarbonate is the chemical compound with the formula NaHCO3. ... Bottled mineral water usually contains higher TDS levels than tap water Total dissolved solids is an expression for the combined content of all inorganic and organic substances contained in a liquid which are present in a molecular, ionized or micro-granular (colloidal sol) suspended form. ... Water quality is the chemical and physical characterization of water. ...


Uses

The most common salt of the bicarbonate ion is sodium bicarbonate, NaHCO3, which is used as baking soda. When exposed to an acid such as acetic acid (vinegar), bicarbonates release carbon dioxide. This is used to cause bread to rise in baking and to propel toy rockets. Sodium bicarbonate is the chemical compound with the formula NaHCO3. ... Sodium bicarbonate (NaHCO3), or sodium hydrogen carbonate, also known as baking soda and bicarbonate of soda, is a soluble white anhydrous or crystalline compound, with a slight alkaline taste resembling that of sodium carbonate. ... Acidity redirects here. ... Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell. ... Vinegar is sometimes infused with spices or herbs—as here, with oregano. ... Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ... Percentages are relative to US recommendations for adults. ... Wikibooks Cookbook has an article on Baking Baking is the technique of prolonged cooking of food by dry heat acting by conduction, and not by radiation, normally in an oven, but also in hot ashes, or on hot stones. ... A Soyuz rocket, at Baikanur launch pad. ...


The bicarbonate/carbonate ionic system is also a buffer in blood. Acids and bases: Acid-base reaction theories pH Self-ionization of water Buffer solutions Systematic naming Electrochemistry Acid-base extraction Acids: Strong acids Weak acids Superacids Lewis acids Mineral acids Organic acids Bases: Strong bases Weak bases Superbases Lewis bases Organic bases edit Buffer solutions are solutions which resist change... Human blood smear: a - erythrocytes; b - neutrophil; c - eosinophil; d - lymphocyte. ...


This chemical is also found in the blood. It is a crucial component of the acid/base system of the body (maintaining homeostasis). 86%-90% of CO2 in the body is converted into H2CO3, a diprotic acid, which also can turn into its basic form HCO3. When close to equal amounts of Carbonate ions and Carbonic acid are present it forms a buffer system. This helps maintain the pH of the blood at a level needed for tissues and enzymes to work adequately. Homeostasis is the property of an open system, especially living organisms, to regulate its internal environment to maintain a stable, constant condition, by means of multiple dynamic equilibrium adjustments, controlled by interrelated regulation mechanisms. ... A biological tissue is a group of biological cells that perform a similar function. ... Neuraminidase ribbon diagram An enzyme (in Greek en = in and zyme = blend) is a protein, or protein complex, that catalyzes a chemical reaction and also controls the 3D orientation of the catalyzed substrates. ...


The flow of bicarbonate ions from rocks weathered by the carbonic acid in rainwater is an important part of the carbon cycle. The carbon cycle is the biogeochemical cycle by which carbon is exchanged between the biosphere, geosphere, hydrosphere,and atmosphere of the Earth (other astronomical objects may have similar carbon cycles, but nothing is yet known about them). ...


Bicarbonate also serves a use in the digestive system. It neutralizes the exceedingly acidic pH of the stomach after the stomach digests the food.


Bicarbonate Compounds

Sodium bicarbonate is the chemical compound with the formula NaHCO3. ... Potassium bicarbonate (also known as potassium hydrogen carbonate or potassium acid carbonate), is a colorless, odorless, slightly basic, salty substance. ... Calcium bicarbonate (Ca(HCO3)2), also called calcium hydrogencarbonate, is a compound which exists only in solution. ... Ammonium bicarbonate (also called bicarbonate of ammonia, ammonium hydrogen carbonate, hartshorn, or powdered baking ammonia) is the bicarbonate salt of ammonia. ...

See also

Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ... Carbonic acid (ancient name acid of air or aerial acid) has the formula H2CO3. ... In organic chemistry, a carbonate is a salt of carbonic acid. ... Hard water water that has a high mineral content (water with a low mineral content is known as soft water). ...

External links


  Results from FactBites:
 
Bicarbonate - Water Contaminates - Aquapure Filters (147 words)
Bicarbonate alkalinity is introduced into the water by CO dissolving carbonate-containing minerals.
Alkalinity neutralizes the acidity in fruit flavors; and in the textile industry, it interferes with acid dying.
In the pH range of 5.0 to 8.0 there is a balance between excess CO and bicarbonate ions.
  More results at FactBites »

 
 

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