carbon dioxide prevod, Englesko - Srpski rečnik i prevodilac teksta

Prevod reči: carbon dioxide

Smer prevoda: engleski > srpski

carbon dioxide [ imenica {hemija} ]
Generiši izgovor

A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis; SYN. COcarbonic acid gas.
CO2 colorless, odorless gas, slightly soluble in water and denser than air. It is formed by the complete oxidation of carbon.
It is produced by living things during the processes of respiration and the decay of organic matter, and plays a vital role in the carbon cycle. It is used as a coolant in its solid form (known as “dry ice”), and in the chemical industry. Its increasing density contributes to the greenhouse effect and global warming. The US has of the world’s population and produces 2of the world’s CO2 emissions.
It is formed when carbon and carbon-containing compounds are fully oxidized, as when they are burned in an excess of air.
C + O2 ® CO2 C2H5OH + 3O2 ® 2CO2 + 3H2O
It is also produced when acids are added to carbonates or hydrogencarbonates, and when these salts are heated. It is a typical acidic oxide, dissolving in water to give a solution of the weak dibasic acid carbonic acid, and forming salts with alkalis.
H+ CO2 Ű H2CO3 Ű H+(aq) + HCO3-(aq)
NaOH + CO2 ® NaHCO3
With a solution of calcium hydroxide (limewater) the gas forms a white (milky) precipitate of calcium carbonate. This reaction is used as the confirmatory test for carbon dioxide.
Ca(OH)2 (aq) + CO2 (g) ®CaCO3 (s) + H2O(l)
The gas supports the combustion of burning magnesium, but extinguishes lower-temperature flames; it is used in fire extinguishers.
2Mg + CO2 ® 2MgO + C

ugljen-dioksid [ muški rod {hemija} ]



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