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The AAMC also provides free online preparatory material for the MCAT through Khan Academy, including 1,000 free videos and 2,800 review questions including content review and passage-based questions. [38] In 2023, 66.3% of students responded that they used this partner material to prepare for the exam. [39]
In organic chemistry, a toluenesulfonyl group (tosyl group, abbreviated Ts or Tos [nb 1]) is a univalent functional group with the chemical formula −SO 2 −C 6 H 4 −CH 3. It consists of a tolyl group , −C 6 H 4 −CH 3 , joined to a sulfonyl group, −SO 2 − , with the open valence on sulfur .
The Khan Academy website also hosts content from educational YouTube channels and organizations such as Crash Course and the Museum of Modern Art. [30] It also provides online courses for preparing for standardized tests, including the SAT , AP Chemistry , Praxis Core and MCAT [ 31 ] and released LSAT preparation lessons in 2018. [ 32 ]
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences (Russian: Новосибирский институт органической химии имени Н. Н. Ворожцова СО РАН) is a research institute in Akademgorodok of Novosibirsk, Russia. It was founded in 1958.
A new episode aired on YouTube every Monday until October 22 of that year. The brothers would then go on to end 2012 with two shorter series, with John and Hank teaching English literature and ecology, respectively. Following their launch year, John and Hank returned in 2013 with US History and Chemistry, respectively.
Periodic Videos (also known as The Periodic Table of Videos) is a video project and YouTube channel on chemistry.It consists of a series of videos about chemical elements and the periodic table, with additional videos on other topics in chemistry and related fields.
The following outline is provided as an overview of and topical guide to organic chemistry: Organic chemistry is the scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by other means) of carbon-based compounds, hydrocarbons, and their derivatives.