Topic 6 Microscopic World II Unit 23 Shapes of molecules Unit 24 Bond polarity and intermolecular forces Key C o ncepts Microscopic World II Shapes of molecules • Covalent molecules with non-octet structures • Shapes of molecules • The VSEPR theory • Molecular crystals of buckminsterfullerene (C60) • Carbon nanotubes Bond polarity and intermolecular forces • Electronegativity and bond polarity • Van der Waals’ forces • Factors affecting the strength
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Section 7: Energy Efficiency www.leonardo-energy.org February 2007 Power Quality & Utilisation Guide Induction Heating Jean Callebaut‚ Laborelec 1 2 Introduction.................................................................................................... 2 Physical principles ....................................................................................... 2 2.1 2.2 2.3 Electromagnetic induction ..............................................................................
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Chernobyl * The Chernobyl accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel. * The resulting steam explosion and fires released at least 5% of the radioactive reactor core into the atmosphere and downwind. * Two Chernobyl plant workers died on the night of the accident‚ and a further 28 people died within a few weeks as a result of acute radiation poisoning. * UNSCEAR says that apart from increased thyroid cancers‚ "there
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“The focus of my work is to capture the essence of what I create‚ whether it is a person‚ an object‚ or anything you can imagine….”‚ says Jared Emerson. Jared Emerson has gained attention for his innovative artistic talent. While he states he loves all medias as well as topics‚ his most recognized artistic expressions are created by using only his hands‚ paint‚ and a canvas where he creates amazing portraits. Jared is truly a unique performance artist whose talent is quickly becoming recognized
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products. D) low-variety products at either high- or low-volume. E) high-volume products of either high- or low-variety. 5) Which one of the following products is most likely made in a job shop environment? A) custom furniture B) graphite pencils C) television sets D) cigarettes E) McDonald ’s hamburgers 6) A successful TQM program incorporates all of the following except A) continuous improvement. B) employment involvement. C) benchmarking. D) centralized
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Eng 111 – 4201S 2 June 2013 What You Ride is Who You Are On March 20th 2013‚ I woke up and directly drove to the Leith Honda dealership to fix my car. While it was being fixed‚ I noticed an Infiniti dealership. I walked there to browse some cars‚ just to kill time. As soon as set foot onto the dealership I found the most breath – taking and luxurious sports car. I took a peek inside the window and was astounded. Sometimes they say you can fall in love at first sight‚ here I found my first love
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THE IMPORTANCE OF ELECTROLYSIS IN OUR DAILY LIFE “Electrolysis is the passage of an electric current through an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes. “ 1 Electrodes are metals that are capable to conduct electricity through the solution used in electrolysis. During electrolysis‚ positive and negative electrodes are needed. The positive electrode (anode) experiences oxidation
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PRODUCTION OF CARBON PAPER USING CHARCOAL AND BLACK MIX OF USED BATTERY AS PIGMENT D EPARTMENT O F S CIENCE IN COOPERATION WITH THE AND T ECHNOLOGY ABSTRACT The objective of the first part of the study was to find the best ratio of ink using carbon from used batteries and charcoal as pigments. The ink was evaluated on the basis of how much pigment is suspended in the mixture and their shelf life. The second part was aimed at the production of carbon paper. The best kinds of ink were tested
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drag. Processes used in manufacturing Fan Blades * Application of stop-off Stop-off material is a chemical used to prevent diffusion bonding on areas where it is applied. It may be made of the following materials‚ such as yttria boron nitride‚ graphite or alumina. In the application of stop-off for manufacturing‚ the chemical is printed onto the metal to form a pre-determined pattern such that‚ during super plastic forming‚ when the inert gas is blown through the gaps of the material where the
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1 Tata Group-Built on Trust & Ethics “We do not claim to be more unselfish‚ more generous or more philanthropic than other people. But we started on sound and straight forward business principles‚ considering the interests of the shareholders our own‚ and the health and welfare of the employees the sure foundation of our prosperity.” Jamsetji Nusserwanji Tata. (1839-1904)‚Our Founder. “The wealth gathered by Jamsetji Tata and his sons in half a century of industrial pioneering formed but a minute
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