Polymerisation Study guides, Class notes & Summaries

ZOL2602 Assignment 1 (COMPLETE ANSWERS) 2023 () - DUE 17 August 2023. 100% TRUSTED Answers, guidelines, workings and references. Answer all questions. QUESTION 1 [10] 1.1 Define the terms cytogenetics and embryology. (2) 1.2 How does cytogenetics relate to embryology? (8) QUESTION 2 [15] Discuss the following processes: 2.1 Gene expression. (5) 2.2 Induction as an example of a morphogenetic process. (5) 2.3 Crossing over (5) QUESTION 3 [10] Describe the polymerisation process of the following th...

What are carbohydrates made out of? - Answer carbon, hydrogen and oxygen What is a monosaccharide (with examples of 3)? - Answer Carbohydrates with a single sugar unit, such a glucose, fructose and ribose What is a disaccharide (with 3 examples)? - Answer A carbohydrate with two sugar units, including maltose, sucrose or lactose. What is a true polysaccharide (with three examples)? - Answer A long chain of sugars that has been made through condensation polymerisation, these ...

OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS   Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further substitution HEAT under PRESSURE acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution primary amine Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nu...

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

OCR AS LEVEL CHEMISTRY B PAPER 2 JUNE 2022 QUESTIONS ONLY 1 Natural rubber is a polymer of 2-methylbuta-1,3-diene. H3C H2C CH2 C C H 2-methylbuta-1,3-diene (a) Draw the skeletal formula of 2-methylbuta-1,3-diene. [1] (b) The carbon-carbon double bond consists of both a sigma(σ) and a pi(π) bond. (i) The diagram of ethene below shows the position of the sigma(σ) bond between the carbon atoms. On the diagram sketch the shape and position of the pi(π) bond. H H C C H H σ bond ...

What are carbohydrates and lipids? - CORRECT ANSWERS Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen What do carbohydrates do? - CORRECT ANSWERS provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells What type of carbohydrate is the most important source of energy? - CORRECT ANSWERS mono-, di- and poly-saccharides What are mono and disaccharid...

OCR A LEVEL CHEMISTRY ORGANIC SYNTHESIS WITH COMPLETE SOLUTIONS alkene undergoes what type of polymerisation - CORRECT-addition  polymerisation Alkene to alcohol - CORRECT -Electrophilic addition  conc (phosphoric) acid catalyst  steam Haloalkane to nitrile - CORRECT -nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - CORRECT -Nucleophilic  substitution  Excess ethanolic NH3 with no further substitution HEAT under PRESSURE ac...

Mars 1 AO1 4.9.1.2 20% 1 AO1 and plants evolved photosynthesis took place 1 1 AO1 4.9.1.39.1.1 (y-axis labelled) 5, 10, 15, (20) oxygen bar drawn to 16% allow (y-axis labelled) 4, 8, 12, 16, (20) ignore correct intermediate values allow a tolerance of ± 1⁄2 a small square 1 1 AO2 4.9.1.3 test tube A 1 AO2 4.6.1.2 a glowing splint 1 AO1 4.8.2.2 manganese dioxide is a catalyst in this reaction 1 AO2 4.6.1.4 (the poly(propene) beaker will begin ...

Bro all things organic Chem related. Trust me. Organic chemistry is the branch of chemistry that deals with organic molecules. An organic molecule is one that contains carbon. All living organisms contain carbon. Plants use sunlight to convert carbon dioxide in the air into organic compounds through the process of photosynthesis. Animals and other organisms then feed on plants to obtain their own organic compounds. Fossil fuels are another important source of carbon. It is the unique pr...

10 - LCAs, water with complete solutions What does the life cycle assessment (LCA) of product do? - correct answer Assesses the environmental impact of a product during each stage of its production process What is the process of the production of a product? - correct answer 1. Getting raw materials 2. Manufacture and packaging 3. Using the product 4. Disposing the product What are the environmental impacts of getting raw materials? - correct answer 1. damage the local environment (mi...