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English: The structure of a Carbonic acid molecule ... Own work based on Image:Carbonic-acid-2D.png ... Carbonic-acid-2D.svg (SVG file, nominally 514 × 287 pixels, file size: 2 KB...
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en.wikipedia.org/wiki/File:Carbonic-acid-2D.svg
en.wikipedia.org/wiki/File:Carbonic-acid-2D.svg
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Carbonic acid is not intrinsically any worse than a lot of other persistent compounds, but it DOES have an easy way to break down. The key is water. Carbonic acid by itself is actually a fairly stable molecule.
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www.newton.dep.anl.gov/askasci/chem99/chem99661.htm
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Carbon dioxide dissolves in water to form carbonic acid, H2CO3, which donates a proton to a water molecule to form H3O+(aq). ... In the human body, the carbonic acid/bicarbonate buffer, based on the reaction shown above, is one of the major systems that controls pH.
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www.owlnet.rice.edu/~chem122/lecture/Viewgraphs/G13/lec...
www.owlnet.rice.edu/~chem122/lecture/Viewgraphs/G13/lecfig136.html
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It has since been shown, by theoretical calculations, that the presence of even a single molecule of water causes carbonic acid to revert to carbon dioxide and water fairly quickly. Pure carbonic acid is predicted to be stable in the gas phase, in the absence of water, with a calculated half-life of 180,000 years.
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www.answers.com/topic/carbonic-acid
www.answers.com/topic/carbonic-acid
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For the propane molecule there is no adsorption on either the oxidized aluminum or the alumina surface, whereas the carbonic acid molecule binds strongly to the alumina but not to the aluminum surface...
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www.iop.org/EJ/abstract/0953-8984/21/22/225001
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January 2004 Molecule of the Month by Shuchismita Dutta and David S. Goodsell; Previous Features ... Carbonic anhydrase is an enzyme that assists rapid inter-conversion of carbon dioxide and water into carbonic acid, protons and bicarbonate ions. This enzyme was first identified in 1933, in red blood cells of cows.
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www.rcsb.org/pdb/static.do?p=education_discussion/molec...
www.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb49_1.html
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Structural Formula...
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www.chem.purdue.edu/gchelp/molecules/h2co3.html
www.chem.purdue.edu/gchelp/molecules/h2co3.html
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Synonyms: dihydrogen carbonate, soda water ; Use: Molecular formula: H2CO3 [a weak acid formed when carbon dioxide dissolves in water] ; CAS No: 463-79-6 ; EINECS No:
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physchem.ox.ac.uk/MSDS/CA/carbonic_acid.html
physchem.ox.ac.uk/MSDS/CA/carbonic_acid.html
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The ease of dissociation of the cis- trans conformer in solution is due to availability of a short channel for proton transport (proton wire) between the two protonated `ends' of the carbonic acid molecule that involves proton hopping between water molecules.
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adsabs.harvard.edu/abs/2006AGUFM.V53D1782K
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