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  2. Ammonium perchlorate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_perchlorate

    Ammonium perchlorate ("AP") is an inorganic compound with the formula NH 4 ClO 4.It is a colorless or white solid that is soluble in water. It is a powerful oxidizer.Combined with a fuel, it can be used as a rocket propellant called ammonium perchlorate composite propellant.

  3. QSI International School of Astana - Wikipedia

    en.wikipedia.org/wiki/QSI_International_School...

    TSW ("The Student Will") are a set of guiding points that illustrate what the student should learn in the unit/subject. A TSW sheet is created by a group of teachers with expertise in that particular subject. Every unit in every subject has a TSW sheet. All QSI schools are based on the course credit system. Each whole-year subject contains 10 ...

  4. IB Group 4 subjects - Wikipedia

    en.wikipedia.org/wiki/IB_Group_4_subjects

    The Chemistry, Biology, Physics and Design Technology was last updated for first teaching in September 2014, with syllabus updates (including a decrease in the number of options), a new internal assessment component similar to that of the Group 5 (mathematics) explorations, and "a new concept-based approach" dubbed "the nature of science". A ...

  5. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics. This article contains the list of certain mnemonics in chemistry.

  6. 1-Boc-4-AP - Wikipedia

    en.wikipedia.org/wiki/1-Boc-4-AP

    1-Boc-4-AP (tert-butyl 4-(phenylamino)piperidine-1-carboxylate) is a compound used as an intermediate in the manufacture of fentanyl, as well as various related derivatives such as butyrylfentanyl, furanylfentanyl, benzylfentanyl and homofentanyl, among others.

  7. Morpholine - Wikipedia

    en.wikipedia.org/wiki/Morpholine

    Morpholine is an organic chemical compound having the chemical formula O(C H 2 CH 2) 2 NH. This heterocycle features both amine and ether functional groups.Because of the amine, morpholine is a base; its conjugate acid is called morpholinium.

  8. Chemical Society Reviews - Wikipedia

    en.wikipedia.org/wiki/Chemical_Society_Reviews

    Chemical Society Reviews is a biweekly peer-reviewed scientific journal published by the Royal Society of Chemistry, for review articles on topics of current interest in chemistry. Its predecessors were Quarterly Reviews, Chemical Society (1947–1971) and Royal Institute of Chemistry, Reviews (1968–1971); it maintained its current title ...

  9. Spinel group - Wikipedia

    en.wikipedia.org/wiki/Spinel_group

    An example of an inverse spinel is Fe 3 O 4, if the Fe 2+ (A 2+) ions are d 6 high-spin and the Fe 3+ (B 3+) ions are d 5 high-spin. In addition, intermediate cases exist where the cation distribution can be described as (A 1−x B x)[A x ⁄ 2 B 1− x ⁄ 2] 2 O 4, where