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HSAB is widely used in chemistry for explaining the stability of compounds, reaction mechanisms and pathways. It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species . 'Hard' applies to species which are small, have high charge states (the charge criterion applies mainly to acids, to a lesser extent to bases), and are ...
In the theory section, it is given that "soft acids react faster and form stronger bonds with soft bases, whereas hard acids react faster and form stronger bonds with hard bases, all other factors being equal."I think there has to be some difference between hard and soft acids/bases as they have different charcteristics.--
Ralph Gottfrid Pearson (January 12, 1919 – October 12, 2022) was an American physical inorganic chemist best known for the development of the concept of hard and soft acids and bases (HSAB). He received his Ph.D. in physical chemistry in 1943 from Northwestern University , and taught chemistry at Northwestern faculty from 1946 until 1976 ...
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The Men's C1 at the 2021 ICF Canoe Slalom World Championships took place on 23 and 26 September 2021 at the Čunovo Water Sports Centre in Bratislava. [1] It was the 41st edition of the event, and 53 athletes from 27 nations competed. [2] The event was won by Václav Chaloupka of the Czech Republic, competing in his first World Championships.
The Women's C1 at the 2021 ICF Canoe Slalom World Championships took place on 23 and 26 September 2021 at the Čunovo Water Sports Centre in Bratislava. [1] It was the 9th official edition of the event, after it made its debut in 2010 . 44 athletes from 22 nations competed.
C1, a level in the Common European Framework of Reference for Languages; C1, the use class for hotels, in town and country planning in the United Kingdom; C1, a NRS social grade in the United Kingdom for the lower middle class; a 2001 1.3 megapixels Olympus digital camera model; a class of FM radio broadcasting in North America
This was the 9th appearance of the event, having previously appeared in every Summer Olympics with slalom canoeing: 1972 and 1992–2016. Neither reigning Olympic champion Denis Gargaud Chanut nor reigning World Champion Cédric Joly competed; both were passed over in selection for the French team in favor of Martin Thomas.