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Carbon dioxide is the lasing medium in a carbon-dioxide laser, which is one of the earliest type of lasers. Carbon dioxide can be used as a means of controlling the pH of swimming pools, [139] by continuously adding gas to the water, thus keeping the pH from rising. Among the advantages of this is the avoidance of handling (more hazardous) acids.
Blue type items have an article available by clicking on the name. Name Formula ... Carbon dioxide: CO 2: −78.464 sub −56.561 triple ... CRC Handbook of Chemistry ...
Data obtained from CRC Handbook of Chemistry and Physics, 44th ed. pages 2560–2561, except for critical temperature line (31.1 °C) and temperatures −30 °C and below, which are taken from Lange's Handbook of Chemistry, 10th ed. page 1463.
In even a slight presence of water, carbonic acid dehydrates to carbon dioxide and water, which then catalyzes further decomposition. [6] For this reason, carbon dioxide can be considered the carbonic acid anhydride. The hydration equilibrium constant at 25 °C is [H 2 CO 3]/[CO 2] ≈ 1.7×10 −3 in pure water [12] and ≈ 1.2×10 −3 in ...
IUPAC chemical name; molecular formula; CAS registry number / blend name; Atmospheric lifetime in years; Semi-empirical ozone depletion potential, ODP (normalized to be 1 for R-11) Net global warming potential, GWP, over a 100-year time horizon (normalized to be 1 for R-744, carbon dioxide)
The C=O bond length in carbon dioxide is 116 pm. The C=O bonds in acyl halides have partial triple bond character and are consequently very short: 117 pm. Compounds with formal C≡O triple bonds do not exist except for carbon monoxide, which has a very short, strong bond (112.8 pm), and acylium ions, R–C≡O + (typically 110-112 pm).
The most prominent oxide is carbon dioxide (CO 2). This was once the principal constituent of the paleoatmosphere, but is a minor component of the Earth's atmosphere today. [92] Dissolved in water, it forms carbonic acid (H 2 CO 3), but as most compounds with multiple single-bonded oxygens on a single carbon it is unstable. [93]
Carbon dioxide is written CO 2; sulfur tetrafluoride is written SF 4. A few compounds, however, have common names that prevail. H 2 O, for example, is usually termed water rather than dihydrogen monoxide, and NH 3 is preferentially termed ammonia rather than nitrogen trihydride.