Aluminium is the most abundant metal in the world; however it can be quite expensive due to the extraction method‚ electrolysis. Aluminium ore is called bauxite‚ it is then purified into a white powder (aluminium oxide) then the aluminium can be extracted. To turn it into aluminium they heat the powder till it’s molten so electricity can pass through it. Its melting point is over 2‚000 Celsius‚ so it would therefore be quite expensive. One way of cutting costs is by dissolving it in molten cryolite
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Aluminium The history of Aluminium use Aluminium is now one of the most widely used metals‚ but one of the hardest to refine due to it’s reactivity with other elements. Even as late as the turn of the century‚ Aluminium was considered very valuable and in turn expensive‚ even more expensive than gold. In some cultures‚ when a function was held (for example‚ a party) by wealthy people‚ only the most honored guests would be given Aluminium cutlery‚ the others had to make do with gold or silver cutlery
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INVESTIGATION investigating the properties of Period 3 oxides Aim The purpose of this experiment is to examine the oxides of Period 3 elements and describe their bonding and structure. Introduction You carry out an investigation along similar lines to the work you did on the chlorides of the elements in Period 3 (Experiment 4.12). However‚ you will not be asked to test the oxides with cyclohexane because unlike the covalent chlorides‚ most of the oxides are not composed of discrete molecules. Therefore
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Oxides Research 1. Assess evidence‚ which indicates increases in atmospheric concentration of oxides of sulfur and nitrogen. Thorough collection of data‚ surveys‚ and tests from the 1950’s indicate a rising trend in atmospheric concentrations of oxides of sulfur and nitrogen. An enhancement in funding‚ technological and information resources‚ has led to wider and more detailed analyses of oxides of sulfur and nitrogen concentrations‚ and as the diagrams indicate (see diagrams) there is a clear
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Module Session: February - April 2014 Credits accrued for satisfactory completion of this module: 15 Weighting of this assignment for obtaining module credits: 100% The Assignment Question: First‚ read the accompanying case study‚ ‘Riverside Aluminium’. Then provide a SWOT analysis of the company using this framework. After conducting the SWOT analysis‚ explain whether you consider that it is appropriate or inappropriate as a structure for analysis. Your assignment should conclude with a discussion
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Pure aluminium is a relatively soft‚ silvery white metal. When exposed to air‚ a thin coating of Aluminium oxide gives it a dull lustre. It is three times less dense than water‚ and has great strength when alloyed‚ it doesnt rust and has high electrical conductivity‚ and Aluminium is also ductile‚ making it a very useful metal. Aluminium readily makes alloys with copper‚ zinc‚ magnesium‚ manganese and silicon. Aluminium foil is 92-99% pure aluminium. Other uses of aluminium alloys include computers
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Aim: to perform a firsthand investigation to compare the physical and chemical properties of magnesium and oxygen when they are experimented to form magnesium oxide Theory: The empirical formula of a compound is the formula that tells us the ratio in which the atoms are present in the compound. To calculate an empirical formula: - Write down the masses of all of the elements present - Convert masses to moles (by dividing by atomic weights in grams) - Divide through by the smallest number of
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Radha Shukla Determination of the Empirical Formula of Silver Oxide Will/Radha College Chemistry 9/12 – 9/13 9/17 The purpose of this lab is to use one of the ways to identify different compounds and be able to tell them apart. Based off of experimentation‚ the empirical formula of the given silver oxide will be determined. Materials: Chemicals: Silver Oxide‚ 0.5g Equipment: Balance‚ 0.001-g or 0.0001-g precision Bunsen Burner Clay pipestem triangle Crucible and cubicle lid‚ 15-
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PREFACE 5 Aluminium as Commodity 5 INTRODUCTION 6 Contribution to GDP 7 Employment Generation 7 ALUMINIUM PRODUCTION 8 Process Flow 8 Inputs of Production 9 Bauxite 9 Power 12 Other Raw Materials used 12 Production Method 12 Aluminium- Products 14 GOVERNMENT POLICIES 15 MAJOR PLAYERS 16 National AluminiumCompany (NALCO) 16 HINDALCO Industries 16 Sterlite Industries 17 INDUSTRY CONCENTRATION 19 Aluminium concentration
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metal found represent by the atomic number of 12. This experiment involves combining Magnesium with Oxygen which is a gas represented by the chemical element 8. The word equation for the result of this experiment is Magnesium + Oxygen= Magnesium Oxide. The equation is Mg + O =MgO Definitions Word Definitions Mass Number The Mass number is the amount of Protons and Neutrons in the Nucleus. Atomic Number The amount of protons found in the nucleus. Element A pure substance made up of 1 type
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