Emily Mayle English 12/101 December 7‚ 2012 Determination for the Ideal Figure The desire for the ideal figure starts from such a young age in people in today’s society. Young teens believe that in order to be happy‚ beautiful‚ and successful their body must be thin. The media puts an emphasis on the body figure most models have and the body that would be considered as ‘in.’ The value society has on this figure leads many teens to anorexia‚ bulimia‚ and depression. The emphasis and power the
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I. Introduction There are two types of chemical reaction that occur one goes only in one direction and the other one is reversible. A reversible reaction is when a products starts to form the backward reaction starts where the products turns back to reactant molecules. When the rate of forward and backward reaction is already equal and the concentrations of the reactants and products no longer change with time we can say that chemical equilibrium is already achieved. A reaction is said to be at
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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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x3 x5 x sin x = x − + − . . . + (−1)r + . . . for all x 3! 5! (2r + 1)! f(x) = f(0) + xf (0) + cos x = 1 − x2 x4 x2r + − . . . + (−1)r + ... 2! 4! (2r )! for all x x3 x5 x2r+1 + − . . . + (−1)r + . . . (−1 ≤ x ≤ 1) 3 5 2r + 1 x3 x5 x2r+1 sinh x = x + + + ... + + . . . for all x 3! 5! (2r + 1)! tan−1 x = x − cosh x = 1 + x2 x4 x2r + + ... + + ... 2! 4! (2r )! tanh−1 x = x + x3 x5 x2r+1 + + ... + + ... 3 5 2r + 1 for all x (−1 < x < 1) Hyperbolic Functions cosh2 x − sinh2 x = 1 sinh 2x = 2
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The term distance determination corresponds with Forensic Gunshot Residue Distance Determination Testing. Distance determination is the process of determining the distance a firearm was shot from its intended target. The determination process requires the firearm to be test fired from various distances to compare gunshot residue (GSR) patterns made during the test and compared to the ones made on the target. Often times the request for distance determination occurs resulting in the death from a shooting
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Biology College of Science De La Salle University – Dasmariñas Dasmariñas‚ Cavite Philippines ABSTRACT This experiment was performed to learn the technique of acid-base titration and to compare the efficiency of commercially available antacids by looking at their weight of HCl and weight of antacid values. The analysis of antacid tablets was highlighted in this experiment. The efficiency of antacid tablets was determined and compared when the number of grams of HCl can be neutralized by
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Calorimetry Experiment Purpose: The objective of this lab is to determine the enthalpy change for NaOH(aq) + HCl(aq) NaCl (aq) + H2O(l) Procedure: Before measuring the enthalpy of acid base neutralization‚ my partner Brian and I determined a calorimeter constant‚ using a homemade polystyrene calorimeter. With the following formula and data: qhot= cm (Tf-Ti) qcold=cm(Tf-Ti) SYSTEM DATA SURROUNDINGS DATA Water cold Mass: 50mL Water hot Mass: 50mL C=4.18 C=4.18 Ti=20 C Ti=31
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Significant chemical waste is generated from the labs on campus: 1. To find out how are these chemicals disposed. 2. To suggest what is the optimum way of disposing them. 3. Identification of the risks involved. Contents 1. PROJECT OBJECTIVES……………………………………………1 4. INTRODUCTION…………………………………..........................5 4.1 Waste…………………………….……………..........................5 4.2 Chemical Waste……………………………………………….6 4.3 Hazardous Chemical Wastes…………………………….7 4.4 Non-Hazardous Chemical Wastes………………
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Spectrophotometric Determination of an Equilibrium Constant Introduction: In this experiment‚ you will study the reaction between aqueous iron (III) nitrate‚ Fe(NO3)3‚ and potassium thiocyanate‚ KSCN. They react to produce the blood-red complex [Fe(SCN)]2+. Fe3+ + SCN- ( [Fe(SCN)]2+ The equilibrium constant expression may be expressed as: K = [pic] You will prepare a series of standard solutions that contain known concentrations of [Fe(SCN)]2+ and will determine
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Which of these are the main sources of regulations governing financial reporting in Australia? A) The Corporations Act‚ The AASB‚ CLERP B) Accounting standards‚ conceptual framework‚ stock exchange listing rules C) Government legislation‚ stock exchange listing rules‚ accounting standards D) AASB‚ FRC‚ government legislation. If there is a conflict between the provisions of the Framework and the requirements of the accounting standards A) The statements of accounting concepts prevail B) The
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