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  2. Limiting reagent - Wikipedia

    en.wikipedia.org/wiki/Limiting_reagent

    The limiting reagent (or limiting reactant or limiting agent) in a chemical reaction is a reactant that is totally consumed when the chemical reaction is completed. [ 1 ] [ 2 ] The amount of product formed is limited by this reagent, since the reaction cannot continue without it.

  3. Protecting group - Wikipedia

    en.wikipedia.org/wiki/Protecting_group

    The procedure begins actually with redox chemistry at the protected phosphorus atom. A tricoordinate phosphorus, used on account of the high reactivity, is tagged with a cyanoethyl protecting group on a free oxygen. After the coupling step follows an oxidation to phosphate, whereby the protecting group stays attached.

  4. List of reagents - Wikipedia

    en.wikipedia.org/wiki/List_of_reagents

    frequently used as a disinfectant or a bleaching agent Sodium nitrite: used to convert amines into diazo compounds Sulfuric acid: strong mineral acid; applications include its use as a dehydrating agent in many chemical reactions, sulfonation, the purification of hydrocarbons, and the production of phosphoric acid tert-Butyl hydroperoxide

  5. Stoichiometry - Wikipedia

    en.wikipedia.org/wiki/Stoichiometry

    To find the limiting reagent and the mass of HCl produced by the reaction, we change the above amounts by a factor of 90/324.41 and obtain the following amounts: 90.00 g FeCl 3, 28.37 g H 2 S, 57.67 g Fe 2 S 3, 60.69 g HCl. The limiting reactant (or reagent) is FeCl 3, since all 90.00 g of it is used up while only 28.37 g H 2 S are consumed.

  6. 15 travel destinations so overrun with tourists that you may ...

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    This year, officials announced they were limiting tourist groups to 25 people and banning the use of loudspeakers on tours. Lisbon. The Baixa district in Lisbon. Jorge Mantilla/NurPhoto/Getty Images.

  7. Reagent - Wikipedia

    en.wikipedia.org/wiki/Reagent

    In chemistry, a reagent (/ r i ˈ eɪ dʒ ən t / ree-AY-jənt) or analytical reagent is a substance or compound added to a system to cause a chemical reaction, or test if one occurs. [1] The terms reactant and reagent are often used interchangeably, but reactant specifies a substance consumed in the course of a chemical reaction. [1]

  8. Keira Knightley Reveals the Unusual Reason She Doesn ... - AOL

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    Keira Knightley’s number one reason for having no more kids isn’t the pain of childbirth or the endless nights of disrupted sleep.. On Monday, Dec. 9. the actress, 39, gushed about her two ...

  9. Mercury Goes Retrograde Before Thanksgiving. An Astrologer ...

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    Maybe you’ll find you and your estranged cousin have more in common than you realized or that you’re ready to bring your new S.O. home for the holidays. “It can be exciting and fun,” Page ...