WebKnowledge check worksheets. Provide a series of questions on alkenes to assess learners’ knowledge and understanding of this topic at both foundation and higher levels. The worksheets could be used for … WebExercise 13.8. 2. Name each compound using both the common name and the IUPAC name. Sometimes an aromatic group is found as a substituent bonded to a nonaromatic entity or to another aromatic ring. The group of atoms remaining when a hydrogen atom is removed from an aromatic compound is called an aryl group.
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Web3 = 123.5, CuO = 79.5 Atom economy = !".!!"#.! x 100 = 64.4% 2 2Calculate the atom economy to form aluminium from aluminium oxide. Al 2O 3→4Al+ 3O 2 Formula mass: Al 2O 3 = 102, Al = 27 Atom economy = !(!")!(!"#) x 100 = 52.9% 3 + 3Calculate the atom economy to form iron from iron oxide. Fe 2O 3 CO →2Fe + 3CO 2 Formula mass: Fe 2O … Webi) 21.3 g of chlorine, Cl 2!"##!! =!".!!" = 0.3 mol ii) 5.34 kg of aluminium bromide, AlBr 3 !"##!! =!"#$!"# = 20 mol b) What is the mass of 0.25 moles of sulfur dioxide, SO 2? M r x moles = 64 x 0.25 = 16 g 3) What mass of bromine reacts with 2.3 g of sodium to form sodium bromide? 2Na + Br 2→2NaBr moles Na = !"##!! = !.!!" = 0.1 mol moles ... cabana boy beach services
GCSE ORGANIC (B) - International School of Siem Reap
WebView Organic-nomenclature-guidelines-ANSWER (1).pdf from BIOCHEMIST 22 at University of Greenwich. ORGANIC NOMENCLATURE GUIDELINES number of C atoms start of. Expert Help. ... Chemsheets-AS-1223-Organic-nomenclature-guidelines.pdf. 16. Chemsheets-AS-1017-Shapes-of-molecules.pdf. San Francisco University High Sc. AE … Webb) 1,3-dichlorobenzene c) 1,2-dichlorobenzene (NOT 1,6-dichlorobenzene – you have to number in such a way as to get the lowest possible numbers in the name. In this case, … Web3 Test warm with sulfuric acid and potassium dichromate(VI) Observation green solution no reaction / stays orange Pair 2 Test warm with Tollens’ reagent (or Fehling’s solution) Observation no reaction (no reaction) silver mirror (orange-red precipitate) Pair 3 3 Test add sodium carbonate Observation no reaction fizzes Pair 4 3 clover learning sign in