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  2. List of unsolved problems in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Enzyme kinetics: Why do some enzymes exhibit faster-than-diffusion kinetics? [13]Protein folding problem: Is it possible to predict the secondary, tertiary and quaternary structure of a polypeptide sequence based solely on the sequence and environmental information?

  3. United States National Chemistry Olympiad - Wikipedia

    en.wikipedia.org/wiki/United_States_National...

    The questions are loosely grouped into 10 sets of 6 items; each set corresponds to a different chemistry topic. Typically, the topics are, in order, descriptive chemistry/laboratory techniques, stoichiometry, gases/liquids/solids, thermodynamics, kinetics, equilibrium, electrochemistry, electronic structure/periodic trends, bonding theories ...

  4. Stoichiometry - Wikipedia

    en.wikipedia.org/wiki/Stoichiometry

    Gas stoichiometry is the quantitative relationship (ratio) between reactants and products in a chemical reaction with reactions that produce gases. Gas stoichiometry applies when the gases produced are assumed to be ideal, and the temperature, pressure, and volume of the gases are all known. The ideal gas law is used for these calculations.

  5. Category:Stoichiometry - Wikipedia

    en.wikipedia.org/wiki/Category:Stoichiometry

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. Today's Wordle Hint, Answer for #1275 on Sunday ... - AOL

    www.aol.com/todays-wordle-hint-answer-1275...

    SPOILERS BELOW—do not scroll any further if you don't want the answer revealed. The New York Times. Today's Wordle Answer for #1275 on Sunday, December 15, 2024.

  7. Redfield ratio - Wikipedia

    en.wikipedia.org/wiki/Redfield_ratio

    For his 1934 paper, Alfred Redfield analyzed nitrate and phosphate data for the Atlantic, Indian, Pacific oceans and Barents Sea. [1] As a Harvard physiologist, Redfield participated in several voyages on board the research vessel Atlantis, analyzing data for C, N, and P content in marine plankton, and referenced data collected by other researchers as early as 1898.

  8. Why the Tuatara Has Three Eyes - AOL

    www.aol.com/why-tuatara-three-eyes-064600553.html

    There was once a thriving group of reptiles that lived during the time of the dinosaurs. Rhynchocephalia is a reptile order that evolved around 240 million years ago. These reptiles used to live ...

  9. Luigi Mangione’s attorney questions parallel state and ...

    www.aol.com/news/luigi-mangione-makes-first...

    Accused UnitedHealthcare CEO shooter Luigi Mangione made his initial appearance in Manhattan federal court Thursday after being slapped with federal murder charges in the death of Brian Thompson.