"Chemicals in food" Essays and Research Papers

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    Investigating Chemical Equilibrium Date: 30th April 2013 Due Date: 15th May 2013 Prepared For: M. Seraji Prepared by: Andrea Odunze Abstract Many reactions proceed to a state of equilibrium. A chemical reaction at equilibrium‚ where the rates of the forward reaction and reverse reaction are equal‚ looks like this: A + B AB There are three factors‚ according to Le Chatelier’s principle‚ that affect the equilibrium position and equilibrium constant. These are the concentrations of products

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    Healthy Food vs Junk Food

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    Title: Food to Die for Nutrition is a nourishing organic process by which an organism assimilates food and uses it for growth and maintenance. Good nutrition can help prevent disease and promote health. Consumption of important fruits and vegetables ensures lower level of mortality and reduces various degenerative diseases‚ for instance‚ cancer‚ cardiovascular disease‚ and immune dysfunction in several human cohorts. In addition to the vitamins and minerals found in fruits and vegetables‚ may contribute

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    Fresh Food vs. Canned Food

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    variety of food is immense‚ and we are responsible for what we eat. “We’re looking at fresh foods‚ something that appeals to everyone.”(Andrea Reudi) We decide what we are about to eat and how it will affect our bodies. Have you ever tasted a canned food item and could immediately tell that it was lacking something because of the taste quality compared to if you had consumed a fresh item? For most of us we prefer to eat fresh food over canned food any day because of the fresh factor. Fresh food tends

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    Introduction‚ aim and hypothesis Chemical reactions are accompanied by the release or absorption of energy. Reactions which release energy are described as exothermic and those which absorb energy are endothermic. The energy released in chemical reactions was previously stored as chemical potential energy in the reactants; this stored energy is called enthalpy. The aim of this practical is to observe and classify chemical processes as endothermic or exothermic‚ based on the changes in temperature

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    Chemical Reactions I. Purpose – The purpose of this lab was to observe different type of chemical reactions to write and balance chemical equations. II. Hypothesis: If you mix two chemicals together‚ then they will change color and/or bubble/fix. III. Procedure - Workstation 1: 1. Light the Bunsen Burner 2. Add 5 – 8 mL of HCL to a test tube that’s in the test tube rack 3. Drop a 2 – cm piece of Mg ribbon into the test tube 4. Record Observations 5. Clean Workstation

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    The Aroma of Christmas Trees One familiar smell around Christmas is that of the pine tree. The smell comes from the chemical pinene. There are two compounds in a pine tree‚ Alpha-pinene and beta-pinene. The chemical compounds The pinene is part of the terpenes family‚ which are produced by plants. Terpenes can form aerosols with other chemicals that go into the clouds and cool the air‚ as well as make the skyline above mountains blue. The terpene pinene is also a reason that pine trees are so flammable

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    On the other hand‚ imagine how taken aback people are to find themselves dependent on chemical substances when there were no apparent clues suggesting they might be susceptible to active addiction. This sometimes happens when a person is prescribed pain pills after surgery or for pain management or a person decides to experiment with heroin‚ and the obsessions/compulsions of addiction raise their monstrous heads without warning. There is no pre-emptive strategy for this. So‚ sometimes people

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    Food Adulteration

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    Food Adulteration : In our daily life there are so many unhygienic and contaminated things for our health. Most of our things our contaminated. Even the food‚ which we eat‚ is adulterated. Now a question arises that what is adulteration? The answer is that the deliberate contamination of food material with low quality‚ cheap and non-edible or toxic substances is called food adulteration. The substance‚ which lowers or degrades the quality of food material‚ is called an adulterant. Adulteration brings

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    Lab Work Chemical Changes

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    Observation of Chemical Changes Purpose In this experiment‚ the student studied the composition of materials in a setting where the indications of chemical changes were safely observed. The changes observed consisted of bubble formation‚ colors‚ viscosity‚ and precipitate formation. Procedure Using a well plate: use a different well for each chemical combination. Two drops (unless otherwise noted) of each chemical in the combinations (below) should be placed in one well. A dark and light

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    MANAGING RISKS OF HAZARDOUS CHEMICALS Draft Code of Practice Table of Contents FOREWORD 3 SCOPE AND APPLICATION 3 1. INTRODUCTION 5 1.1 Who has health and safety duties in relation to hazardous chemicals? 5 1.2 The meaning of key terms 6 1.3 What is required to manage the risks of hazardous chemicals? 7 2. HOW TO IDENTIFY HAZARDS 10 2.1 Labels and Safety Data Sheets (SDS) 10 2.2 Unlabelled containers 10 2.3 Hazardous chemicals generated or manufactured in

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