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  2. Old Nassau reaction - Wikipedia

    en.wikipedia.org/wiki/Old_Nassau_reaction

    The Old Nassau reaction or Halloween reaction is a chemical clock reaction in which a clear solution turns orange and then black. This reaction was discovered by two undergraduate students at Princeton University researching the inhibition of the iodine clock reaction (or Landolt reaction) by Hg 2+ , resulting in the formation of orange HgI 2 .

  3. Template reaction - Wikipedia

    en.wikipedia.org/wiki/Template_reaction

    18-Crown-6 can be synthesized by the Williamson ether synthesis using potassium ion as the template cation. Structure of nickel-aquo nitrate complex of the ligand derived from the templated trimerization of 2-aminobenzaldehyde. [5] The phosphorus analogue of an aza crown can be prepared by a template reaction. [6]

  4. Template:Laboratory equipment - Wikipedia

    en.wikipedia.org/wiki/Template:Laboratory_equipment

    {{Laboratory equipment | state = expanded}} will show the template expanded, i.e. fully visible. {{ Laboratory equipment | state = autocollapse }} will show the template autocollapsed, i.e. if there is another collapsible item on the page (a navbox, sidebar , or table with the collapsible attribute ), it is hidden apart from its title bar, but ...

  5. These 55 Printable Pumpkin Stencils Make Carving Easier ... - AOL

    www.aol.com/55-printable-pumpkin-stencils...

    This Halloween 2024, use these printable pumpkin stencils and free, easy carving patterns for the scariest, silliest, most unique, and cutest jack-o’-lanterns. These 55 Printable Pumpkin ...

  6. 60 Cute and Spooky Printable Halloween Pumpkin Stencils - AOL

    www.aol.com/lifestyle/60-free-printable-pumpkin...

    Use these free pumpkin carving patterns and stencils to create the best jack-o-lantern on the block. Choose from spooky, cute, and advanced templates.

  7. Category:Chemistry stub templates - Wikipedia

    en.wikipedia.org/wiki/Category:Chemistry_stub...

    [[Category:Chemistry stub templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Chemistry stub templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.

  8. The 16 Best Halloween Events in Chicago, from Potion ... - AOL

    www.aol.com/16-best-halloween-events-chicago...

    Jack’s Pumpkin Pop-Up feels like the spooky small town Halloween carnival you’d see in a movie. Go mining for gems, try to find the hidden bar in the corn maze, play carnival games, try axe ...

  9. Wikipedia:WikiProject Chemistry/Structure drawing workgroup ...

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

    Draw structure in ChemSketch, clean up, check stereochemistry, etc. Select structure and apply the desired style (several templates are available) Export to TIFF at a high resolution (the TIFF will be used as a guide for label placement) Export to WMF; Import both to Inkscape, align WMF on top of TIFF