"Conductivity of aqueous solutions post lab" Essays and Research Papers

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    Panacetin Lab

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    Constituent of “Panacetin” Recrystallization& Melting-Point Measurement Organic Chemistry Lab Introduction: Panacetin purportedly includes sucrose‚ aspirin‚ and acetaminophen. However‚ the accuracy of Panacetin’s contents has been called into question by the Association for Safe Pharmaceuticals. Therefore‚ the lab must discover the accuracy of the ingredients listed on Panacetin’s label. The unknown in this experiment is presumed to be something

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    Post Workout Nutrition

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    Post-workout nutrition is an important part of a successful diet and training regimen. Unfortunately‚ many trainers and athletes do not realize the importance of this nutrition. Basically‚ it is very important that they need to realize its significance on providing the best results whether it is weight loss or body building. During certain routing exercise training the body breaks down the glycogen. Primarily‚ glycogen is a sugar molecules from the food we eat and protein as well as fat too. Glycogen

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    Cu of a post 1982 penny

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    Michelle Olson Lab report 4/25/14 Percent of Cu in a post 1982 cent PURPOSE: What is the experimental % of copper (Cu) in a post 1982 cent? In this lab‚ we will determine the % composition of a modern (post-1982) penny by using a strong acid called nitric acid (HNO3)‚ to react and dissolve the zinc core‚ leaving only the copper coating. Once only copper remains‚ we will then compare its’ absorbency to the other five post-1982 penny Cu concentrations made in this lab. INTRODUCTION:

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    Reactant Lab

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    Lab 4-B Purpose The purpose of this lab is to test these solutions and see what type of reaction occurs and see if a precipitate or gas forms between any of these reactions. Research 1. Table A Reactants in Aqueous Solutions Predictions (1) MgCl₂(aq) + 2NaOH(aq) Mg(OH)₂(s) + 2NaCl(aq) (2) FeCl₃(aq) + 3NaOH(aq) Fe(OH)₃(s) + 3NaCl(aq) (3) 2KCl(aq) + Na₂SO₄(aq) K₂SO₄(s) + 2NaCl(aq) (4) CaCl₂(aq) + 2AgNO₃(aq) Ca(NO₃)₂(s) + Ag₂Cl(aq) (5) CuSO₄(aq) + Na₃PO₄(aq) Cu₃PO₄(aq) + Na₂SO₄(s) 2. Table B

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    Post Facto Research

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    defined research as a process of arriving at dependable solution to the problems through the planned and systematic collection‚ analysis and interpretation of data. According to Martyn Shuttleworth (Oct 3‚ 2008)‚ in the broadest sense of the word‚ the definition of research includes any gathering of data‚ information and facts for the advancement of knowledge. Kothari (2002) described research as a systematic investigation to find solution to a problem. 2. What is the importance of research

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    Properties of Solutions

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    PROPERTIES OF SOLUTIONS A solution is a mixture of materials‚ one of which is usually a fluid. A fluid is a material that flows‚ such as a liquid or a gas. The fluid of a solution is usually the solvent. The material other than the solvent is the solute. We say that we dissolve the solute into the solvent. Some solutions are so common to us that we give them a unique name. A solution of water and sugar is called syrup. A solution of sodium chloride (common table salt) in water is called brine

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    The Post Ottoman Syndrome

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    The Post-Ottoman Syndrome: A Never-Ending Problem In the novel War and Peace In the Middle East‚ author Avi Shlaim argues that Arab nations have been unable to escape the post-Ottoman syndrome. In particular he describes how the various powers inside and outside the region have failed to produce peace. While some of Shlaim’s arguments hinder the message‚ I agree with his overall thesis that the Middle East problems were caused and prolonged by the failure of both powers and superpowers to

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    problem and solution

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    teenagers have shown signs of insomnia‚ depression‚ changed eating habits and other stress related symptoms. Whether this pressure is from parents‚ schools‚ or their own‚ it can sometimes lead to very negative effects. According to a poll “The Washington Post” did‚ about 91% of people believed that parents and teachers need to be more aware of how much they pressure their kids‚ and the remaining 9% believe that this pressure is good preparation for the “real world.” While hard work is the key to success

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    Lab Report

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    Lab Report: Halogen Reactions Purpose: This experiment will allow for exploration into some of the properties of Group 17 elements (halogens) and their compounds. More specifically‚ the solubility properties of these halogens will be used to predict their reactions. The relative electronegativities of the halogens will be determined. Halides‚such as Cl-‚ Br-‚ and I- will be used to make these determinations. Because this lab is qualitative rather than quantitative‚ there are no calculation

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    This assignment must be submitted no later than November 22nd‚ 2011. 1. What is a true solution? Explain why the solute does not settle out of a solution. Is it possible to have one solid dissolved in another? Explain. In metals it would be called an alloy. 2. An aqueous solution of KCl is colorless‚ KMnO4 is purple‚ and K2Cr2O7 is orange. What color would you expect of an aqueous solution of Na2Cr2O7? Explain. Orange. 3. Explain why hexane will dissolve benzene but will not dissolve

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