"Observation of chemical changes lab" Essays and Research Papers

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    Chemical Dependency

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    Running head: CHEMICAL DEPENDENCY PAPER Chemical Dependency Paper Linda D. Miles University of Phoenix Child Therapy MFFC/536 Robert Skaff October 01‚ 2008 Chemical Dependency Paper Chemical Dependency Paper This paper will discuss Chemical Dependency or Substance Dependency and Substance Abuse in Adolescents; specifically the development‚ progression and biopsychosocial of dependency and abuse in the adolescent population. The definition of epidemiology and

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    Victoria Chemicals

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    CASE 1 - A CASE STUDY OF VICTORIA CHEMICALS Corporate Finance (FEG304) Table of Contents 1.0) Introduction This report contains two case studies in the discourse of Corporate Finance‚ more specifically capital investment strategy. The cases are applied on the fictional company Victoria Chemicals and are divided into (A): “The Merseyside Project and Victoria Chemicals” and (B): “The Merseyside and Rotterdam project”. The cases are picked from the book “Case Studies

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    Chemical Properties

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    Element: Simplest form of matter to have unique chemical properties. Atom: The smallest particles with unique chemical identities. Nucleus: Center of an atom (composed of protons and neutrons). Proton: Have a single positive charge (+1). Neutron: Have no charge. Electron: Tiny particles with a single negative charge and very low mass (-1)/determines chemical bonding properties of an atom. Atomic Number: Number of protons in the nucleus. Atomic Mass: Approximate number of protons and neutrons

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    Chemical Engineer

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    Chemical Engineer The chemical engineer is an invaluable link between scientific principles and manufacturing realities. It involves the use of chemical‚ physical‚ and engineering principles. The scientist in a laboratory does basic research to develop new compounds and processes. When the scientist discovers a product that may be useful‚ the chemical engineer takes over. They adapt the product for big scale manufacturing. They do this by designing a plant to produce the item on large scale

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    Add about 10-mL of water to the solid and stir vigorously. Allow the solid to settle and decant again. 9. Spread the solid over the bottom and allow to dry. 10. After it is completely dry‚ mass the beaker and the solid copper. Record. Data and Observations: Mass of empty beaker 67.33 g Mass of beaker plus copper 69.43 g Actual yield of copper 2.1 g Expected yield of copper 2.54 g Percent yield of copper -17.32% Calculations: Actual yield of copper = 69.43 g - 67.33 g = 2.1 g Percent yield

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    Chemical Weapons

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    Chemical Weapons Chemical weapons use the toxic properties of chemical substances rather than their explosive properties to produce physical or physiological effects on an enemy. Although instances of what might be styled as chemical weapons date to antiquity‚ much of the lore of chemical weapons as viewed today has its origins in World War I. During that conflict "gas" (actually an aerosol or vapor) was used effectively on numerous occasions by both sides to alter the outcome of battles. A significant

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    Chemical Equation

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    Three things are usually required for a chemical explosion: a chemical reaction that occurs very rapidly‚ a large increase in gas pressure‚ and a confined-reaction vessel in which the pressure of the gaseous products can increase to a point that the gases break violently out of the container. In this chemistry and physics science fair project‚ you will use the combustion of ethanol to provide energy for a small explosion. The chemical equation that describes the combustion of ethanol is shown below

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    Chemical Warfare

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    2 Chemical warfare What is Chemical Warfare: To understand chemical warfare you must first understand what a chemical agent is. A United Nations report from 1969 defines chemical warfare agents as " ... chemical substances‚ whether gaseous‚ liquid or solid‚ which might be employed because of their direct toxic effects on man‚ animals and plants ... ". This means basically that any chemical that is used to directly effect and harm a person‚ plant‚ or animal would be an act of chemical warfare

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    Chemicals in Food

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    to consumers. Those hard-to-pronounce chemicals that are in the list of ingredients on the label are used for more than just flavoring‚ appearance‚ and preserving the food (Food Additives). Those additives are used in some other very harsh items such as bug repellent (Food Additives). However‚ there are some simple and sustainable options that can help consumers avoid running into harsh chemicals and additives that may be lurking in their food. These changes will not only help them make healthier

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    Chemical Waste

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    Hazardous chemical waste in the Liverpool area The aim of my research action plan is to address how people disposed of their hazardous chemical waste from households and schools within the Liverpool area. What is hazardous chemical waste? Chemical waste is a waste that is made from harmful chemicals such as: * Paint/ artist paint/ paint thinner * Motor oil * BBQ gas cylinders * Insect sprays * Rat poisons * Garden chemicals- fertilisers ‚ insecticides * Car wax

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