Recent content by Kekule

  1. Kekule

    Plastic from oil

    Plastics are polymers of hydrocarbons. There are many things to consider about why it is very difficult (sometimes currently impossible) and very economically inefficient to make plastics from the starting materials you mentioned. Carbon, in the form of CO2, is incredibly stable. It takes a...
  2. Kekule

    Aromaticity of 1-methyl-1H-pyridin-2-one?

    At first glance, I'd agree with your assumptions about those two molecules. Of course, it again boils down to what exactly you would try to react them with though. I can imagine the molecule on the right being difficult to actually act as a Michael acceptor unless the solvent and nucleophile...
  3. Kekule

    Does uranium monoxide exist?

    Which is exactly what I was talking about in my last post. There are ways to draw the different complexes that do a pretty good job of describing the molecule. But like any model, there are limitations to what it can actually represent. I would agree that, "just because you can draw the...
  4. Kekule

    Term 'Iso' in naming (common name)

    Common names in organic nomenclature are just that; common names given by people before the standardized rules existed. By nature, you won't find any source other than something straight from the horse's mouth (any organic chemist). There are no set rules akin to IUPAC nomenclature. But there...
  5. Kekule

    Does uranium monoxide exist?

    I'm a practicing organic chemist and have a focus in organometallic compounds. I don't see how these transition metal complexes are different than any other compound when it comes to drawing their Lewis structures. More complicated for sure, but entirely able to be drawn. I'm skeptical of...
  6. Kekule

    Does uranium monoxide exist?

    Please elaborate. What sort of compounds are you talking about?
  7. Kekule

    Term 'Iso' in naming (common name)

    The term iso is used to specify that the compound has a single branch. That branch is a methyl group (CH3) and it appears at the 2nd carbon in the chain. The longest chain of an iso compound is the root name minus one. So isobutane has a 3 carbon chain with a methyl group at carbon 2...
  8. Kekule

    What is the Most Dangerous Chemical?

    Yes, it is contained in Teflon. You make it fresh if you're planning on using it, because good luck storing it with any success. And of course, it instantly reacts with even the slightest amount of moisture in the air. So you have to use a glove box, but you also grab some extended tongs so...
  9. Kekule

    What is the Most Dangerous Chemical?

    I do agree that the parameters of the question are poorly defined, but I'll still throw out a few of the most dangerous things that I've had to work with. Trifluoromethanesulfonic acid (Triflic Acid): pKa around the -13 range, nasty stuff. Fluoroantimonic acid: The most potent superacid...
  10. Kekule

    Electrochemistry question

    It is clear from my beads and straw model that I know the electrons are not combined with any particular atom. Of course the electrons are free to move among the molecular orbitals in the metallic bonding array. However, electrons are still physical pieces of matter that contain mass and have...
  11. Kekule

    Electrochemistry question

    One of the biggest hurdles I've helped students overcome in electrochemistry, is understanding how the electrons actually move. A lot of textbooks and teachers portray that the "electrons" move through a wire connecting the cathode and anode. Students then get this visual of a single electron...
  12. Kekule

    Why do double displacement reaction occur?

    NaCl and AgNO3 are both ionic compounds capable of dissociation in water. So when aqueous solutions of both of these compounds are mixed you will have one contain of water which has Na+, Ag+, Cl-, and NO3- ions dissolved in it. But wait, nothing is stopping these ions from interacting and...
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