HSC Chemistry Topic 1 PRODUCT ON of MATERIALS What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. POLYMERS FROM PETROCHEMICALS & BIOMASS 2. ALTERNATIVE FUELS - ETHANOL & THE ALKANOLS 3. REDOX CHEMISTRY & BATTERIES 4. RADIOACTIVITY & ITS USES ...all in the context of society’s use of energy and materials but first) an introduction ... In the previous topic in the Preliminary Course‚ you learnt about carbon chemistry of petroleum Then you
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http://www.kewpid.com 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances 1) Construct word and balanced chemical equations of chemical reactions as they are encountered • Methane + oxygen carbon dioxide + water • CH4(g) + 2O2(g) CO2(g) + 2H2O(l) 2) Identify the industrial source of ethylene from the cracking of some of the fractions from refining of petroleum Generally‚ demand for petrol exceeds supply produced from fractional distillation
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fashion industry poses a serious threat to the environment. A higher level of sustainability in material production is the key solution. Discuss. In recent years‚ more and more people pay much attention to fashion as they consider that wearing trendy clothes can help them be equipped with a greater fascination. However‚ with the rapid increase of the fashion production‚ a wide range of industrial materials and wastes which are strongly detrimental to the environment are producing every day. How to
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The Identification and Production of Materials 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances. Students Learn To: .2 Identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum. • Ethylene is produced either from natural gas or crude oil‚ which are mixtures of hydrocarbons. One method involves… Cracking: a process by which hydrocarbons with higher molecular
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years‚ as there wasn’t any need for such a biopolymer; petroleum was still inexpensive and abundant so PHB was unnecessary. In 1957‚ PHB was rediscovered in Britain and USA‚ and was further developed and researched during the 1960s. The mass production of PHB began after the 1990s because of the growing need for a environmentally friendly plastic alternative. Properties of PHB... The biodegradability of PHB gives it extraordinary appeal as a potential replacement for the widely used polymers
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similar physical properties‚ but very different chemical properties. 2002:17 3 4 Which polymer is made by the polymerisation of methyl methacrylate? CH3 H2C= C—COOCH3 methyl methacrylate 2003:11 1 5 The flowchart shows the production of polyethylene. (b) Describe Process Y. 2003:17(b) 3 6 A sample of polyethylene was produced by Process Y. The following graph shows the distribution of molecular weights of polymer molecules in the sample. (c) Why is a range of
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Teaching Material for Production Management Used at a trainers’ training for Small and Medium Entrepreneurship Development National Centre of Armenia: SMEDNC July 2006 Written by Kazuchika SATO JICA Expert in Production Management Preface of the training course Production management includes all aspects of management techniques in manufacturing‚ which is necessary to understand for any engineers working in any enterprises. It is closely related with business and has been become
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Gustav Klimt is an Austrian Erotic Symbolist and his subject was usually female body. Gustav Klimt painted “the Kiss” or “Der Kuss” during 1907-1908. Klimt was one the founding members of Vienna Secession. Some people say behind the respectable facade Klemt was a man with a ferocious sexual appetite; he fathered at least three known illegitimate children. His work considered being very modern during that time. Klimt believed that no one had the right of censorship over his work. His work methods
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Materials Handling Belt‚ chain and screw conveyors and bucket elevators. Vertical and horizontal conveying by a variety of methods. Conveyor selection depends on material and application. Options include fugitive dust containment‚ multiple inlet and discharge points‚ variable speed conveying‚ product weighing and tramp metal separation. Note by MD. ROKUNUZZAMAN Assistant Professor Department of Mechanical Engineering Rajshahi University of Engineering & Technology 1.1 Definition: Materials handling
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There are several different works called The Kiss‚ created by different artists. Auguste Rodin‚ Constatin Brancusi‚ and Gustav Klimt all have their own version of the work. While Rodin and Brancusi created a sculpture‚ Klimt created a painting. These artists conveyed many different emotions for their viewers to perceive. These works of art also have several things in common. It is important to learn about each artist in order to learn the ideas and thoughts that come from their works. Auguste
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