Classifying Chemical Reactions Introduction Pre-lab questions 1. Which reactants used in this experiment are flammable? Discuss the safety precautions that are necessary when working with flammable materials in the lab? 2. Summarize the following description of a chemical reaction in the form of a balanced chemical equation? 3. Common observations of a chemical reaction are described in the introduction section. For each observation‚ name a common or everyday occurrence that must involve a chemical reaction
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identifies certain alterations in these areas of the brain in people suffering from depression (Coltrera‚ Jungle‚ & Leinwand 2008‚ p. 6). Structural changes in the brain may also be accompanied by chemical imbalances from a dysfunction of one or more neurotransmitters. Neurotransmitters are chemicals in the brain that transmit information from
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Chemical Reactions Lab Synthesis Reactions: Synthesis reactions occur when two elements or compounds combine to create one single compound. The general equation of synthesis reactions is: A+B→AB. The following are the complete balanced equations for the five synthesis reactions performed in the lab. Reaction 1: Reaction 2: Reaction 3: Reaction 4: Reaction 5: The reaction of CO2 and water is a prime example of a synthesis reaction. This is a synthesis reaction because it follows the general
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Chemical Formulas Review: Nomenclature and Formula Writing Naming Simple Compounds There are four naming systems you should familiarize yourself with to succeed on the SAT II Chemistry exam. The trick is recognizing which naming system to use. Here are the guidelines: * If the compound starts with H‚ it is an acid. Use the naming acids rules. * If the compound starts with C and contains quite a few H’s and perhaps some O’s‚ it is organic. Use the naming organic compounds rules. *
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Determination of Chemical Formulae: The Reaction of Zinc and Iodine By Sarah Abstract: The main objective of this experiment was to use to the reaction between zinc and iodine to examine the validity of the Law of Conservation of Mass and the Law of Constant Composition. The Law of Constant Composition was tested by determining the mass of each of the reactants‚ zinc and iodine‚ and comparing their total to the mass of the zinc iodide product plus the excess zinc. The total mass of the reactants
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Introduction The following report shows that the proposal of the modernisation project should obtain funding from the corporate headquarters of Victoria Chemicals. The project has an initial outlay of GBP12 million to renovate and rationalise the polypropylene production line at Merseyside plant. This is done in order to make up for deferred maintenance and exploit opportunities to achieve increased efficiency. This report will look at the following four main areas of concern in order
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Chapter 2 The Chemical Context of Life PowerPoint Lectures for Biology‚ Seventh Edition Neil Campbell and Jane Reece Copyright © 2005 Pearson Education‚ Inc. publishing as Benjamin Cummings • Overview: Chemical Foundations of Biology Copyright © 2005 Pearson Education‚ Inc. publishing as Benjamin Cummings • The bombardier beetle uses chemistry to defend itself Figure 2.1 Copyright © 2005 Pearson Education‚ Inc. publishing as Benjamin Cummings • Concept 2.1: Matter consists
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Case Study: Coastal Erosion: Holderness Location | * Holderness is an area of the East Riding of Yorkshire‚ on the east coast of England. * Sub-cell that stretches from Flanborough Head to Spurn Head. | Erosion | * Fastest eroding coastline in the UK. * Rapidly retreating coastline. * At Flanborough Head‚ the average erosion is greater than 10cm a year. * By Mappleton‚ the average erosion is greater than 200cm a year. * At Spurn Head‚ 500000 tonnes of sand is moved by the sea
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INTRODUCTION Since 1952 a subsidiary of British Company for chemical manufacturer was established in Ghana‚ named Wilson Chemical (Ghana) Ltd. There were three reasons for its success: 1. Fertilizer as the primary product in an agricultural based economy 2. The company employed many natives in top positions 3. Appointed a native Ghanaian graduated from Oxford‚ Joseph Okono‚ as the president of Wilson Chemical (Ghana) Ltd. Under Mr. Okono’s management‚ the company achieved a great success in
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The Effect of Chemicals on Fire In this lab we got to see the effect of chemicals on fire. We got to. See the flames change to different colors. The size of the colorful flame depended on how the Bunsen burner was turned on. I was sick when we were supposed to have the lab read‚ but I got it read the next day before class. During the lab I made sure to have the correct attired on: my goggles and apron. Ow ill go ahead and tell you five good safety precaution tips. One‚ never leave a lit
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