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  • Thumbnail for Sulfur dioxide
    SO2: 4 FeS2 + 11 O2 → 2 Fe2O3 + 8 SO2 2 ZnS + 3 O2 → 2 ZnO + 2 SO2 HgS + O2 → Hg + SO2 4 FeS + 7 O2 → 2 Fe2O3 + 4 SO2 A combination of these reactions...
    53 KB (7,366 words) - 22:03, 6 November 2024
  • Thumbnail for Flue-gas desulfurization
    desulfurization (FGD) is a set of technologies used to remove sulfur dioxide (SO2) from exhaust flue gases of fossil-fuel power plants, and from the emissions...
    26 KB (3,415 words) - 08:40, 17 November 2024
  • Thumbnail for Sulfuric acid
    far weaker acid: HSO−4 + H2O → H3O+ + SO2−4 Ka2 = 0.01 (pKa2 = 2) The product of this second dissociation is SO2−4, the sulfate anion. Concentrated sulfuric...
    64 KB (7,136 words) - 17:57, 1 November 2024
  • 2015 SO2 (astronomical naming convention: 2015 SO2) is an Aten asteroid that is a temporary horseshoe companion to the Earth, the ninth known Earth horseshoe...
    7 KB (615 words) - 18:51, 10 October 2024
  • Thumbnail for Sulfurous acid
    signals due to the SO2 molecule and the bisulfite ion, HSO−3. The intensities of the signals are consistent with the following equilibrium: SO2 + H2O ⇌ HSO−3...
    6 KB (449 words) - 09:22, 31 October 2024
  • Thumbnail for Poisk (ISS module)
    Poisk (Russian: Поиск, lit. 'Search'), also known as the Mini-Research Module 2 (MRM 2, Russian: Малый исследовательский модуль 2), is a docking module...
    18 KB (1,436 words) - 17:50, 20 October 2024
  • Thumbnail for Sulfur monoxide
    S−O = 148 pm) but is longer than the S−O bond in gaseous S2O (146 pm), SO2 (143.1 pm) and SO3 (142 pm). The molecule is excited with near infrared radiation...
    15 KB (1,522 words) - 10:20, 5 November 2024
  • sulfonates are esters of alkane sulfonic acids with the general formula R-SO2-O-R'. They act as alkylating agents, some of them are used as alkylating...
    476 bytes (48 words) - 23:46, 17 March 2021
  • inception of postcodes in Southampton, "large users" within the SO1 and SO2 postcode areas (which broadly covered the area of the city) were allocated...
    7 KB (353 words) - 15:11, 31 March 2023
  • metal sulfur dioxide complexes are complexes that contain sulfur dioxide, SO2, bonded to a transition metal. Such compounds are common but are mainly of...
    9 KB (1,023 words) - 12:12, 9 October 2024
  • Thumbnail for Cheletropic reaction
    dioxide, allowing for a pseudo first-order approximation. The disappearance of SO2 was followed spectrophotometrically at 320 nm. The reaction showed pseudo...
    14 KB (1,611 words) - 13:49, 6 May 2024
  • Thumbnail for Thiosulfinate
    include thiosulfonates (R-SO2-S-R), α-disulfoxides (R-S(O)-S(O)-R), sulfinyl sulfones (R-S(O)-SO2-R), and α-disulfones (R-SO2-SO2-R), of which all (except...
    12 KB (1,434 words) - 07:07, 16 November 2024
  • Thumbnail for Polyatomic ion
    (HSO−4). The removal of another hydrogen ion produces the sulfate anion (SO2−4). There are several patterns that can be used for learning the nomenclature...
    11 KB (773 words) - 20:48, 12 November 2024
  • which subsequently is hydrolyzed to give vinylsulfonic acid: ClCH2CH3 + SO2 + Cl2 → ClCH2CH2SO2Cl + HCl ClCH2CH2SO2Cl → H2C=CHSO2Cl + HCl CH2=CHSO2Cl...
    4 KB (502 words) - 23:52, 31 August 2024
  • Thumbnail for Vanadium(III) sulfate
    in sulfuric acid with elemental sulfur: V2O5 + S + 3 H2SO4 → V2(SO4)3 + SO2 + 3 H2O This transformation is a rare example of a reduction by elemental...
    3 KB (186 words) - 16:07, 30 June 2024
  • Thumbnail for Tosyl group
    group with the chemical formula −SO2−C6H4−CH3. It consists of a tolyl group, −C6H4−CH3, joined to a sulfonyl group, −SO2−, with the open valence on sulfur...
    7 KB (781 words) - 19:17, 13 April 2024
  • Thumbnail for Thionyl chloride
    → SOCl2 + SO2 Other methods include syntheses from: Phosphorus pentachloride: SO2 + PCl5 → SOCl2 + POCl3 Chlorine and sulfur dichloride: SO2 + Cl2 + SCl2...
    27 KB (2,854 words) - 14:14, 4 September 2024
  • Thumbnail for Sulfate
    sulfate or sulphate ion is a polyatomic anion with the empirical formula SO2−4. Salts, acid derivatives, and peroxides of sulfate are widely used in industry...
    17 KB (4,498 words) - 14:11, 1 November 2024
  • Thumbnail for Sodium metabisulfite
    yellow solid. With more SO2, the solid dissolves to give the disulfite, which crystallises upon cooling. SO2 + 2 NaOH → Na2SO3 + H2O SO2 + Na2SO3 → Na2S2O5...
    14 KB (1,222 words) - 15:30, 18 November 2024
  • Thumbnail for Stratovolcano
    40 km and dumped 17 megatons of SO2 into the lower stratosphere. The aerosols that formed from the sulfur dioxide (SO2), carbon dioxide (CO2), and other...
    30 KB (3,236 words) - 15:00, 18 November 2024
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