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  • ...is an extremely strong dehydrating agent that causes immediate and highly exothermic charring of virtually any organic material it comes into contact with. Sulf Nearly the same reaction takes place when sodium bisulfate is very strongly heated, first evolving w
    11 KB (1,598 words) - 23:45, 25 August 2020
  • ====Reaction of tin and chlorine==== ...the reaction chamber and the sodium hydroxide to prevent suckback into the reaction vessel.
    7 KB (954 words) - 18:13, 7 June 2023
  • ...active than the ions left behind by most acids, it allows to protonate the reaction mixture without causing undesired side reactions in most cases. ...ighly exothermic, while the reaction between sulfur trioxide with water is exothermic enough that the resulting sulfuric acid turns into a dense mist. The overal
    27 KB (4,285 words) - 21:31, 9 September 2023
  • It can also be produced from the reaction of [[phosgene]] and [[ammonia]] !Urea reacts with:|| catalyst|| solvent || product || reaction notes
    8 KB (1,070 words) - 13:27, 10 July 2022
  • ...ed before disposal. Calcium hydroxide is a good neutralizing agent, as the reaction produces the insoluble [[calcium fluoride]] which has low toxicity. Aqueous ...hen slowly add the slaked lime to the acid, as acid-base neutralization is exothermic, and if the temperature gets too high, very hazardous HF vapors might be re
    8 KB (1,238 words) - 22:13, 7 August 2022
  • ...ponent of rust and acts as the oxidizing agent in the classic [[thermite]] reaction with [[aluminium]]. ...metimes added to KNO<sub>3</sub> and sugar mixtures to help accelerate the reaction, which is needed when making 'rocket candy' rockets.
    7 KB (977 words) - 15:31, 26 August 2023
  • ...ormula HCl (aq), though the use of "(aq)" is only required to indicate the reaction solvent, in this case water, and often HCl is sufficient. ...+</sup> and chloride anions Cl<sup>–</sup> through a reversible chemical reaction:
    8 KB (1,098 words) - 20:01, 15 September 2022
  • ...end products, with the color of chromium(III) indicating completion of the reaction.]] ...f acquisition of the necessary materials, as well as the simplicity of the reaction and moderate cost.
    5 KB (879 words) - 18:55, 11 July 2019
  • ...ly available, this is a useful mechanism for generating a cooling bath for exothermic reactions or for dealing with emergency runaway situations. ...can serve as a convenient source of either chloride or [[sodium]] ions in reaction mixtures, and can also be combined with concentrated [[sulfuric acid]] to g
    8 KB (982 words) - 12:07, 25 June 2023
  • ...g various lab practices, such as purification, distillation, transferring, reaction conditions or simply when moving them around the lab, is equally important. Refrigerators can be used to store volatile substances and to cool exothermic reactions.
    48 KB (5,818 words) - 20:11, 13 March 2024
  • ...ndothermic and results in cooling, unlike with hydroxides, which give very exothermic reactions that may lead to boiling and sprinkling of acids. As many [[carbo
    7 KB (901 words) - 08:41, 30 May 2020
  • ...hermic; lower-quality glassware can even break from thermal stress if this reaction proceeds too quickly. Sodium hydroxide is soluble in water, [[methanol]], [ ...y less than the required amount of sodium carbonate is used in the initial reaction.
    13 KB (1,867 words) - 14:45, 18 November 2023
  • ...Chloroform!.jpg|thumb|280px|Reaction mixture after performing the haloform reaction, with chloroform forming a separate layer on the bottom. Note the high inde ...d by aqueous sodium hydroxide produced in the reaction. When complete, the reaction vessel contains a layer of crude chloroform on the bottom; this layer shoul
    12 KB (1,690 words) - 20:18, 1 March 2021
  • ...bright blue and forms triclinic crystals. Copper(II) sulfate [[Exothermic reaction|exothermically]] dissolves in water to give the aquo complex [Cu(H<sub>2</s ...1.6 g/100 mL at 0˚C and 203.3 g/100 mL at 100˚C. Dissolution is slow yet exothermic, and solutions of copper(II) sulfate are dark blue.
    9 KB (1,199 words) - 22:07, 26 August 2023
  • ...esults in an explosion. Make sure that the vessel in which you perform the reaction is strong enough to contain it. ...has completely oxidized, slowly add water vapor, as the reaction is highly exothermic and dry the resulting wet hydroxide. Keep in mind however, that caesium may
    5 KB (650 words) - 17:13, 23 June 2019
  • ...t in solution, its neutralization further adds to the exothermicity of the reaction. ...alent iron are oxidized with hypochlorites in solution. Here is an example reaction:
    11 KB (1,555 words) - 17:28, 30 November 2022
  • ...drochloric acid]] with [[magnesium]] metal, though this reaction is highly exothermic and magnesium metal is expensive. A cheaper way involves the reaction of [[magnesium sulfate]] (Epsom salt) with [[calcium chloride]].
    7 KB (834 words) - 19:07, 5 November 2022
  • ...pared by reacting [[phosphoric acid]] with [[zinc oxide]]. The reaction is exothermic and should be performed in a cooled container or glass slab.<ref>https://ww
    4 KB (375 words) - 21:40, 27 December 2021
  • ...oluble in water (245 g/100 mL), giving hydroiodic acid. The dissolution is exothermic. It is also slightly soluble in alcohols. ...e off most of the hydrogen iodide vapors. The resulting HI vapors from the reaction are passed over some moist red phosphorous which is placed in a U tube. Hea
    7 KB (872 words) - 23:09, 28 March 2020
  • ...ne]] between -10 ºC and 30 ºC. Lower temperatures result in little or no reaction, while higher temperatures will result in double nitration forming dinitrot ...ry small amounts of the compound, preferably dilute, as the destruction is exothermic and may aerosolize other aromatic compounds created from the incomplete Fen
    5 KB (566 words) - 15:45, 28 December 2023

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