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  2. Persuasive writing - Wikipedia

    en.wikipedia.org/wiki/Persuasive_writing

    Persuasive writing. Persuasive writing is a form of writing intended to convince or influence readers to accept a particular idea or opinion and to inspire action. [ 1 ] A wide variety of writings, such as criticisms, reviews, reaction papers, editorials, proposals, advertisements, and brochures, utilize different persuasion techniques to ...

  3. Blue bottle experiment - Wikipedia

    en.wikipedia.org/wiki/Blue_bottle_experiment

    Blue bottle reaction video. The blue bottle experiment is a color-changing redox chemical reaction. An aqueous solution containing glucose, sodium hydroxide, methylene blue is prepared in a closed bottle containing some air. Upon standing, it spontaneously turns from blue to colorless due to reduction of methylene blue by the alkaline glucose ...

  4. Chemical reaction - Wikipedia

    en.wikipedia.org/wiki/Chemical_reaction

    Chemical reaction. A thermite reaction using iron (III) oxide. The sparks flying outwards are globules of molten iron trailing smoke in their wake. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. [ 1 ] When chemical reactions occur, the atoms are rearranged and the ...

  5. Position paper - Wikipedia

    en.wikipedia.org/wiki/Position_paper

    A position paper (sometimes position piece for brief items) is an essay that presents an arguable opinion about an issue – typically that of the author or some specified entity. Position papers are published in academia, in politics, in law and other domains. The goal of a position paper is to convince the audience that the opinion presented ...

  6. Abstract (summary) - Wikipedia

    en.wikipedia.org/wiki/Abstract_(summary)

    Abstract (summary) An abstract is a brief summary of a research article, thesis, review, conference proceeding, or any in-depth analysis of a particular subject and is often used to help the reader quickly ascertain the paper's purpose. [1] When used, an abstract always appears at the beginning of a manuscript or typescript, acting as the point ...

  7. Wikipedia : Manual of Style/Chemistry/Structure drawing

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    Drawing in ChemDraw. [] From the “File” menu, choose “Apply document settings from → ACS Document 1996”. Draw the structure, and save it as a ChemDraw file. If you drew the structure before applying any settings, then you need to select the object, open the “Object” menu and choose “Apply document settings from → ACS Document ...

  8. Chemical equilibrium - Wikipedia

    en.wikipedia.org/wiki/Chemical_equilibrium

    Category. v. t. e. In a chemical reaction, chemical equilibrium is the state in which both the reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system. [ 1 ]

  9. Hill reaction - Wikipedia

    en.wikipedia.org/wiki/Hill_reaction

    The Hill reaction is the light-driven transfer of electrons from water to Hill reagents (non-physiological oxidants) in a direction against the chemical potential gradient as part of photosynthesis. Robin Hill discovered the reaction in 1937. He demonstrated that the process by which plants produce oxygen is separate from the process that ...