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    THE CHEMICAL COMPOSITION OF AQUEOUS SOLUTIONS (pp. 94-98) Electrolytes – forms ions when dissolved in water (or certain other solvents) and thus produce solutions that conduct electricity. Strong electrolytes – ionize essentially completely Weak electrolytes – ionize only partially Solution of weak electrolyte will be a poorer conductor than a solution containing an equal concentration of a strong electrolyte Brønsted-Lowry theory Acid is a proton donor Base is a proton acceptor H2O + HNO2 H3O+ +

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    Chemical Case

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    Case #2: W-G-P Chemical Company John White‚ vice president of distribution for W-G-P Chemical Company‚ was preparing for the annual strategy review session conducted by the firm’s executive committee. He was charged with the task of evaluating his firm’s logistics costs and customer service capability for his firm’s packaged dry and liquid agricultural chemicals. W-G-P Distribution Systems Figure 1 outlines the existing logistics system for W-G-P Chemical Company. Four types of facilities:

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    Liquid Liquid Extraction

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    Separation Of a Sample Mixture By Liquid-Liquid Extraction Reading assignment: Techniques in Organic Chemistry 2nd ed pages 75-99. 3rd ed pages 113-140. Topics and Techniques i) identification of solvent layers of two immiscible solvents ii) partioning of a compound between two immiscible solvents and determination of KD iii) liquid-liquid extraction with aqueous acids and bases with organic solvents. iv) use of drying agents Introduction Liquid-liquid extraction is a method used for the

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    CHEMICAL REACTIONS OF COPPER AND PERCENT YIELD Objective To gain familiarity with basic laboratory procedures‚ some chemistry of a typical transition element‚ and the concept of percent yield. Apparatus and Chemicals  |0.5 g piece of no. 16 or no. 18 copper wire |evaporating dish | |250 mL beaker (2) |weighing paper | |concentrated HNO3 (4 – 6 mL)

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    Part A: Diffusion on a liquid in a liquid. I did an experiment with three different glasses of tap water from the faucet. All three cups measured the same which happened to be 13 cm from the top of the cup to the bottom of the cup. I let the water settle‚ and sit for about an hour so the temperature was the same for all three cups. I then placed one drop of food coloring into the first glass and waited for the coloring to reach the bottom. I calculated 93 seconds. I then went to the second glass

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    Liquid-Liquid Extraction

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    Experiment 3 Liquid-Liquid Extraction Discussion The success of extracting each compound out of the solution can be seen in the IR graphs for each substance. For ethyl 4-aminobenzoate‚ the N-H‚ C=O and C-O are distinguishable in their proper wavenumber positions. The amino N-H stretch was found between 3224 cm-1 and 3423 cm-1. The C=O was found at 1681 cm-1 and the C-O was at 1280 cm-1. The IR for benzoic acid also displays its significant bonds‚ O-H and C=O. The O-H was between 2566 and

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    The study of shelf life for liquid biofertilizer from vegetable waste showed that contrary to the traditional advice that liquid biofertilizers produced from fermentation by effective microorganisms‚ should be used within three months of production‚ the liquid biofertilizer produced from vegetable waste still contains high amount of viable microbial population after four months of storage with no significant effect of the presence or absence of light (Ngampimol and Kunathigan‚ 2008). The most common

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    The Viscosity of Liquids

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    39. The Viscosity of Liquids After studying the present lecture‚ you will be able to Define viscosity and viscosity coefficient Outline the method to measure viscosity using Ostwald viscometer Determine the average molecular weight of a polymer Determine the surface concentration of 1-butanol in aqueous solution Measure the distribution coefficient of a solute betweenn two solvents 39.1 Introduction Viscosity‚ one of the transport properties‚ arises because of intermolecular attractive and

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    Woodson Chemical Case

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    the order process it is important to have the correct information provided in a timely fashion to all divisions. For integration to be successful information must be available throughout the entire supply chain. The main problem is with Woodson Chemical Company is the lack of management and communication across all divisions within the organization creating bottlenecks throughout the operations. There are several sub problems seen throughout the organization at different levels of management and

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    Chemical Bank case

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    Case 1: Chemical Bank: Implementing the Balanced Scorecard see page 233-252 Questions for the case: 1. What does Mike Hegarty want to accomplish with the BSC ? 2. Comment on the BSC implementation at Chemical’s Retail Bank ? 3. What pitfalls need to be avoided for a successful BSC project? Balanced Scorecard Implementation Pitfalls to Avoid There are many Balanced Scorecard implementations where companies don ’t seem to get all the benefits described above. Research and experience have

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