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    Chemistry Lab

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    Investigating Chemical Equilibrium (Experiment 19 A) Purpose: 1. to recognize the macroscopic properties of five chemical systems at equilibrium 2. to observe shifts in equilibrium concentrations as stresses are applied to the systems 3. to observe a shift in equilibrium concentrations associated with changes in temperature 4. to explain the observations obtained by applying Le Chatelier’s principle Materials Required: See page 209 Heath Chemistry Laboratory Experiments Procedure:

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    Almansoori Lab 17

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    Data 1. Record your data for each of the trials in Table 2. 2. Record your reaction observations (Step 8) below: A white powdery substance formed when the two reactants were mixed Table 2: Reaction product data Mass (g) Example Trial 1 Trial 2 Mass of CaCl2 1.00 2.00 3.00 Mass of K2CO3 2.5 g 2.50 2.50 Mass of filter paper 0.8 g 0.80 0.80 Mass of watch glass 38.5 g 38.5 38.5 Combined mass of product‚ filter paper‚ and watch glass 40.2 g 42.3 43.3 Mass of dry product 0.9 g 2.00 3.00 Calculations

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    Experiment 5: Wittig Reaction Purpose The purpose of this experiment is to synthesize trans-9-(2-phenylethenyl) anthracene using a wittig reagent formed by reacting phosphonium chloride with base. Experimental In a reaction tube‚ (0.200g) benzyltriphenyl phosphonium chloride‚ (0.115g) anthraaldehyde‚ and (.6ml) dichloromethane (DCM) is mixed together with a stir bar. We stirred the mixture rapidly and added (0.26ml) of a 50% NaOH solution dropwise. The mixture was stirred for 20-30

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    Beef Jerky Research Paper

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    Beef Jerky and Hardtack the Nearly Perfect Survival Meal Foods that do not require any preparation‚ are lightweight‚ and are shelf stable make ideal foods for a survival pack or to have on hand for emergencies at home‚ at the office‚ or even when stranded in your vehicle. The best part is that you can make beef jerky and hardtack at home‚ and by no means do you need extensive cooking or food preparation skills. You have enough to worry about when you find yourself in a survival situation‚ so make

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    GLENDALE CHEMICAL PRODUCTS PTY LTD v ACCC (1999) ATPR 41-672 Plaintiff: Michael Barnes Defendant/Appellant: Glendale Chemical Products Pty Ltd –Supplier of Caustic Soda which is called “DRANO” Respondent: Australian Competition & Consumer Commission Prepared By: GLENDA B. GAERLAN Presented To: PETER MCGUINNES BUSINESS LAW 1st Semester 2010 Background Facts: Michael Barnes bought a 500g of caustic soda called “DRANO” at a local store

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    Chemical Equilibrium

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    EXPERIMENT NO. 9 CHEMICAL EQUILIBRIUM Audrey De Castro FCD3‚ Group 9‚ Ms. Sarah Sibug Kristine Tavares March 27‚ 2014 I. ABSTRACT Chemical equilibrium is mostly involved in industrial processes such as synthesis

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    Hydrated Salts Lab Report

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    Investigation of a Hydrated Salt Table of Calculations: „³ Unknown #2 Weight of hydrate before heating .9989g Weight hydrate after heating .6534g Weight of water .3455g Mole of water in hydrate .0192mol Mole of anhydrous salt: CuSO4 .004094mol CuCl2 .004859mol CoCl2 .005033mol Mole ratio of water to each of the anhydrous salts: CuSO4 4.69

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    Lab Report Iodination of Acetone Temperature as a Variable Objective The objective of this lab is to determine the energy of activation of the iodination of acetone. This will be done by performing the reaction at differing temperatures. The same reaction orders we obtained for the previous lab will be incorporated into this experiment. The equation Ea = -8.31 x slope of ln k vs. 1/T(K) will be used to determine the energy of activation required for this this reaction. Hypothesis

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    The reaction rate can be studied by measuring the time taken for sufficient quantity of yellow sulfur to be formed. Over time‚ a ‘’cross’’ marked on a piece of paper under the conical flask gradually disappears when viewed from above.  1 time taken for the ‘’cross’’ to disappear because the amount of sulfur formed is considered fixed. To study the order of reaction‚ the experiment is repeated by varying the concentration of each of the reactants (Na2S2O3

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    Salt Lab

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    the salt and our reactions to it. Since sodium-chloride is nontoxic our response to the dosage was measured by taste. This same method can be seen in medical studies for new drugs. Instead of students the doctors use mice and they test for the mice’s reaction to the medicine. Instead of testing the mice’s taste‚ they look for negative/positive side effects the mice might have Intro Different salts can elicit all five basic tastes‚ e.g.‚ salty (sodium chloride)‚ sweet (lead diacetate‚ which

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