The Fall of Monopoly ‘As far as the filmmaking process is concerned‚ stars are essentially worthless -- and absolutely essential.’ -William Goldman It started with Florence Lawrence as the ‘Biograph Girl’ in the early 1900’s‚ and bred into the formation of the Universal Studios by one smart producer by the name of Carl Laemmle. The birth of Hollywood had never experienced a joyful transition for editors and actors‚ who back in the day were treated like hired help by directors. The silent
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electricity – a simple battery works by using a reaction of oxidation and reduction in this way. As we will see‚ we can also reverse the process and use an electric current to drive a reaction to oxidation and reduction – this is the process known as electrolysis which has developed to become one of the most important industrial processes on which we depend. An understanding of oxidation and reduction is therefore at the heart of understanding a large branch of chemistry both in the laboratory and beyond
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Plagued with Polycystic Ovarian Syndrome Thesis: Polycystic Ovarian Syndrome‚ a growing disease among women. It’s vital that women suffering with Polycystic Ovarian Syndrome have knowledge and know the importance of this disease. I would like to educate you about Polycystic Ovarian Syndrome‚ with that I will be discussing the history‚ symptoms‚ and treatment options to better help you. If left untreated for prolonged amount of time serious health problems could arise. I. Introduction II. History
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Production and applications Titanium and titanium alloys powders Titanium possesses an exclusive combination of low density‚ good mechanical properties at room and elevated temperatures and good corrosion resistance. Titanium and its alloys are used extensively in aerospace‚biomedical industries and in other industrial applications. However‚ titanium ingots are expensive to produce and fabricate. Another problem is connected with segregation in highly alloyed titanium materials. The high cooling
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Elements Atomic No At. Mass Valency Elements At.No. At.Mass Valency Hydrogen(H) 1 1 (+1) Silicon(Si) 14 28 (+4) Lithium(Li) 3 7 (+1) Germanium(Ge) 32 73 (+4) Sodim(Na) 11 23 (+1) Tin(Sn) 50 119 (+4‚+2) Potassium(K) 19 39 (+1) Lead(Pb) 82 207 (+4‚+2) Rubidium(Rb) 37 85 (+1) Nitrogen(N) 7 14 (-3‚+5) Cesium(Cs) 55 133 (+1) Phosphorus(P) 15 31 (+3‚+5) Francium(Fr) 87 223 (+1) Arsenic(Ar) 33 75 (+3) Beryllium(Be) 4 9 (+2) Antimony(Sb)
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acid. Reaction of the ore with a dilute acid produces a very dilute copper(II) sulphate solution Concentration of the copper(II) sulphate solution by solvent extraction. Copper(II) ions are then extracted using the process of electrolysis · Steep dip‚ the footwall inclination must
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scavenging capacity of liquid extracts in a competitive protective process against oxygenated free radicals (OFRs) released via electrolysis in a phosphate buffer with a Pt electrode. Colorimetric measurements carried out at 515 nm‚ through a N‚N-diethyl-1‚4-phenylenediamine (DPD) assay‚ showed a decreased absorbance of the sample‚ as compared to the blank obtained by electrolysis of the buffer without plant extract‚ revealing‚ thereby‚ the presence of antioxidizing agents in the liquid extracts. The antioxidative
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Section A (Answer ALL questions in this Section.) 1. Rubidium (Rb) and potassium belong to the same group in the Periodic Table. The relative atomic mass of rubidium is larger than that of potassium. (a) Explain whether rubidium is more reactive than potassium. (b) Write a chemical equation for the reaction between rubidium and water. (State symbols should be given.) (c) Suggest how rubidium can be stored safely in the laboratory. (d) Suggest ONE safety precaution for handling
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8.2 Chemical Earth 8.2.1 The living and non-living components of the Earth contain mixtures * Construct word and balanced formulae equations of chemical reactions as they are encountered Combustion reaction (burning) element + oxygen → oxide e.g. 4Na (S) + O2 (g) → Na2O (s) Reaction with hydrogen element + hydrogen → hydride e.g. Ca (s) + H2 (g) → CaH2 (s) Reaction between an oxide and water metallic oxide + water → hydroxide * metallic oxide is also known as “basic oxide” e.g
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Tony was appointed as the HR manager for tangerine center Sdn Bhd. A beauty center that catered solely to ladies in the town of Kuantan .The beauty center was doing well and the number of clientele was rapidly escalating. The growth was expected to continue and plans were being made to expand the center. This expansion concerned Tony. In the previous year itself‚ Tony had struggled to recruit enough qualified job applicants. He knew that the new expansion would intensify the problem. At that time
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