And philosophers do study strange things, like this: -LSB-...]
The sequence of chemical reactions that enable aqua regia to dissolve gold is remarkable, and depends on chemical structures, but the unique ability to dissolve gold is an emergent property, of a sort that essentialists have not much discussed.
The sequence of chemical reactions that enable aqua regia to dissolve gold is remarkable, and depends on chemical structures, but the unique ability to dissolve gold is an emergent property, of a sort that essentialists have not much discussed.
Not exact matches
The
chemical mechanisms
of RNA - catalyzed
reactions are discussed with emphasis on the self - splicing ribosomal RNA precursor
of Tetrahymena and the enzymatic activities
of its intervening
sequence RNA.
University
of Wisconsin - Madison professor Martin Zanni used a sophisticated technique that relies on 2 - D infrared spectroscopy to follow the
sequence of events in the
chemical reactions leading to fibril formation.
If you think
of a
reaction as a
sequence of many intermediate
chemical rearrangements, the easy structural changes should happen quickly while more complicated rearrangements would be slower, because there's a higher energy barrier to making those changes.
The essence is that the stars are on the main
sequence during most
of their life time and «burn» hydrogen in this time («burning» is an often used word here; in reality it's not a
chemical reaction, but a nuclear
reaction: hydrogen nuclei are fused to helium nuclei).