After all these years in school‚ I’ve come to discover that I am a math nerd and definitely plan to pursue a career involving numbers. My past Chemistry‚ Algebra and Pre-Calculus classes have helped me come to this discovery. In the future I plan to find a lot more information on different careers to find out what I really want to be. My first career choice is to become a chemical engineer. Recently I’ve been talking to my guidance counselor and asking what careers would interest me due
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Hypothesis The hypothesis of this experiment is magnesium oxide can be synthesized by combining (burning) the magnesium with oxygen. The chemical and physical properties of each element (magnesium‚ oxygen‚ and magnesium oxide) might be different‚ from the state‚ color‚ electrical conductivity‚ and pH. Aim This experiment was performed to synthesize magnesium oxide by direct combination of magnesium and oxygen and to compare the properties of the elements (magnesium and oxygen) in their elemental state with
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Formula of oxide Na2O2 MgO Al2O3 SiO2 P4O10 Cl2O Melting Point (C) 460 2825 2072 1700 340 -120.6 Boiling Point (C) 657 3600 2977 2230 360 2.2 State at STP Solid Solid Solid Solid Solid Liquid Action of water Dissolve in water and form alkaline solution Slightly dissolve in water and form alkaline solution Insoluble in water Insoluble in water Dissolve in water and form acidic solution Dissolve in water and form acidic solution pH of aqueous solution
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Experiment: The Empirical Formula of an Oxide Authors: Section Number: Chemistry Location and Date II. Abstract The aim in this lab was to determine the empirical formula of an oxide of magnesium through combustion in air. This was achieved by heating an established mass of magnesium in air inside of a crucible‚ ultimately attaining a compound that contained Mg and O. The major result of the experiment was the empirical formula of the oxide of magnesium. III. Introduction An empirical formula
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NOV 09 How product giving is a ‘slam dunk’ for retailers By ELLEN DAVIS‚ VP AND NRF SPOKESPERSON | Published: NOVEMBER 9‚ 2011 Be the first to comment | This entry was posted in Holidays‚ Loss Prevention‚ Retail Companies‚ Sustainability Donating unwanted products to organizations that help people in times of need is undoubtedly a win-win for retailers. But as many companies have found‚ getting the right products to the right people isn’t always easy. Recipients have to be vetted‚ distribution
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reactive and it is going to end up as Copper Nitride + Magnesium + Copper oxide: Magnesium will displace Copper because it is more reactive. Aluminum + Iron Oxide: Aluminum will displace Iron because it is more reactive. Zinc + Hydrochloric acid: Zinc will replace Hydrogen because it is more reactive. Copper + Hydrochloric Acid: Copper will not displace Hydrogen because copper is more reactive. Magnesium + Hydrochloric acid: Magnesium will displace Hydrogen because it is more reactive
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A) January 18‚ 2011B) Empirical Formula C) The purpose is to determine the empirical formula of a metallic oxide. D) Pre Lab Questions: After heating the metal‚ the crucible and contents should mass less than it did before it was heated. This is because heating the crucible may rid of other residue that was left in it; bringing it a to a constant mass. A yellow flame will deposit soot on the crucible. This would be a problem because the soot left on the crucible would vary from our constant
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reactivity down the Group-2 Equipment required: 2 x250 cm3 beaker Funnel 2x boiling tubes Crucible tongs Calcium granules Magnesium ribbon Magnesium powder Spatula Universal Indicator Thermal mat Filter paper Safety: Wear eye protection. Magnesium and calcium are highly flammable. Calcium hydroxide is an irritant. Group 2 elements Calcium Strontium Magnesium Beryllium Barium Radium Introduction: The Group 2 elements are all metals with a shiny‚ silvery-white colour having
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Corrosion…….8 Aim of the project……………………9 Requirement…………………………10 Procedure……………………….….11 Observation…………………………12 Conclusion………………………….13 Introduction: Metals and alloys undergo rusting and corrosion. The process by which some metals when exposed to atmospheric condition i.e.‚ moist air‚ carbon dioxide form undesirable compounds on the surface is known as corrosion‚ The compounds formed are usually oxides . Rusting is also a type of corrosion but the term is restricted to iron or products made from it .Iron
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Workbook Results: Element Observations Element Observations Metal or Non-Metal Sodium -Lustrous -Forms oxides on surface rapidly -A soft metal -silvery-white colour Metal Magnesium -Lustrous -Forms oxides on surface -Silvery-white colour -Malleable but less than alkali metals Metal Aluminium -Silvery-white metal -Malleable but less than alkali earth metals -Forms oxide on surface Metal by observation‚ metalloid by properties Sulphur -Soft pale-yellow powder -It is odourless
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