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  2. Chromium trioxide - Wikipedia

    en.wikipedia.org/wiki/Chromium_trioxide

    It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. [6] This compound is a dark-purple solid under anhydrous conditions and bright orange when wet. The substance dissolves in water accompanied by hydrolysis. [clarification needed] Millions of kilograms are produced annually, mainly for electroplating. [7]

  3. Chromate and dichromate - Wikipedia

    en.wikipedia.org/wiki/Chromate_and_dichromate

    [notes 1] The chromate ion is the predominant species in alkaline solutions, but dichromate can become the predominant ion in acidic solutions. Further condensation reactions can occur in strongly acidic solution with the formation of trichromates, Cr 3 O 2− 10, and tetrachromates, Cr 4 O 2− 13. [2]

  4. Polyampholytes - Wikipedia

    en.wikipedia.org/wiki/Polyampholytes

    At pH equal to the isoelectric point, polyampholytes are neutral. Under these conditions, they may show minimal viscosity in solutions or lose solubility and precipitate. [2] Proteins are a class of natural polyampholytes, as they contain both positively and negatively charged amino acid residues within their structure. These charges are ...

  5. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    At 25 °C (77 °F), solutions with a pH less than 7 are acidic, and solutions with a pH greater than 7 are basic. Solutions with a pH of 7 at 25 °C are neutral (i.e. have the same concentration of H + ions as OH − ions, i.e. the same as pure water). The neutral value of the pH depends on the temperature and is lower than 7 if the temperature ...

  6. Today's Wordle Hint, Answer for #1271 on Wednesday, December ...

    www.aol.com/todays-wordle-hint-answer-1271...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1271 ahead. Let's start with a few hints.

  7. Demonic dad allegedly beheads 1-year-old son with knife after ...

    www.aol.com/demonic-dad-allegedly-beheads-1...

    A demonic California dad has been arrested for allegedly beheading his 1-year-old son Friday in an early-morning frenzy of violence that also injured his wife and her mother, according to police.

  8. Chromic acid - Wikipedia

    en.wikipedia.org/wiki/Chromic_acid

    This kind of chromic acid may be used as a cleaning mixture for glass. Chromic acid may also refer to the molecular species, H 2 CrO 4 of which the trioxide is the anhydride. Chromic acid features chromium in an oxidation state of +6 (and a valence of VI or 6). It is a strong and corrosive oxidizing agent and a moderate carcinogen.

  9. Myasthenia gravis is one of the rarest and most concerning ...

    www.aol.com/myasthenia-gravis-one-rarest-most...

    When it comes to muscular diseases, most of us have heard of especially common ones like muscular dystrophy and Lou Gehrig's disease.But one of the rarest muscular disorders is also one of the ...