XXXXXXXXXXXX NETW410‚ Professor’s Name 10/6/12 Lab 4: Connecting Point A to Point B Lab Report How should an Internet connection be made for the current campus? Why did you select this option over the others? AT&T is the carrier providing service to the existing campus as well as the new campus. Examine the offerings for Internet access to select the one that should be used. (10 points) ST which is made by at&t is the most popular connector for multimode networks‚ like most buildings
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synthesis of 4-hydroxy-4‚4-diphenylbutn-2-one was a three week multi-step project. The steps involved protecting the ketone of ethyl acetoacetate with a ketal group‚ followed by preparation and reaction with Grignard‚ then purification by extraction and recrystallization. The yield was 78.5%‚ but there are impurities present suggested by 1H-NMR‚ IR‚ and TLC. However‚ the results do indicate the desired hydroxyketone was formed. Introduction: The purpose of this multi-step lab was to synthesize 4-hydroxy-4
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Lizz Radican Lab 4 2/24/14 The Diels-Alder Reaction: Results and Problems 1.) Table 1: Mass‚ Percent Yield and Melting Points for Diels-Alder Reaction Products. Product Mass (g) Percent Yield Melting Points (°C) Anhydride 8.87 88.2% 164.4-165.8 Dicarboxylic Acid 3.20 71.9% 176.6-180.1 Unknown 1.66 111% 168.7-176.0 2.) See attached calculations. 3.) Table 2: Anhydride Product IR Data: Functional Group or Bond Peak Location(s) (cm-1) Peak Intensity Symmetric
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mathematics at a deeper level. Review of homogeneous equations The homogeneous constant coefficient linear equation an y (n) +· · ·+a1 y +a0 y = 0 has the characteristic polynomial an rn +· · ·+a1 r+a0 = 0. From the roots r1 ‚ . . . ‚ rn of the polynomial we can construct the solutions y1 ‚ . . . ‚ yn ‚ such as y1 = er1 x . We can also rewrite the equation in a weird-looking but useful way‚ using the symbol d D = dx . Examples: equation: y − 5y + 6y = 0. polynomial: r2 − 5r + 6 = 0. (factored):
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and implement it in the lab. Configure RIP as a routing protocol. Conditions NYEDGE1 is the hub router. The two remote office routers NYEDGE2 and NYWAN1 connect to NYEDGE1 through serial connections. Each router has a locally attached Ethernet network. The serial line data rates and DTE/DCE settings have already been configured on all three routers. You only need to assign the IP address to the interfaces. Notes The routers are connected directly to each other in this lab and do not actually connect
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1. Calculate the molecular mass/formula weight for: KHSO3 2. How many of each type of atom are present in 0.667 mol of [CrCl2(NH3)4]Cl 3. Calculate the molecular formula for the compound that contains 40.92% C‚ 4.58% H‚ 54.50% O‚ and has a molecular mass of 176 u. 4. When 1.019 g of potassium reacts with O2‚ it forms 1.860 g of a rather strange compound. Find the empirical formula of this compound‚ and explain why it is strange. 5. How many grams of BaSO4 (s) are formed when an excess of BaCl2
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Expressions and Equations (7.1) Sec. 7.1 Simplifying Rational Expressions To reduce an algebraic fraction: factor first‚ then cancel _____________________________. 1. 4w3 28w 2 2. 27 a 3 33 3. y 2 7 y 18 y2 6y 8 19 Math 070 Chapter 7 Rational Expressions and Equations (7.2) Sec. 7.2 Multiplying and Dividing Rational Expressions To multiply algebraic fractions: factor first‚ next cancel __________________________ and then multiply across. 4. y2 9y 8 y4 2 y2
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ESTIMATION OF 1-4‚ DIOXANE IN SHAMPOOS/ CONDITIONERS/HAIR CREAMS/ SODIUM LAURETH SULFATE BY HEAD SPACE GAS CHROMATOGRAPHIC TECHNIQUE INTRODUCTION 1-4‚ DIOXANE 1‚4-Dioxane is a heterocyclic organic compound‚ classified as an ether. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether. The compound is often called simply Dioxane because the other Dioxane isomers (1‚2- and 1‚3-) are rarely encountered. CHEMISTRY OF 1-4‚ DIOXANE
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Lab 4: Photosynthesis and Chromatography of Spinach Leaves Discussion: The chromatography of the spinach leaves was taken to establish what pigments were present in the chloroplasts of the leaves. The solvent carried and separated the different pigments up the cellulose paper. The solvent moved up the paper because of capillary action because of adhesion of the solvent molecules and the paper. The pigments dissolved in the solvent also were carried up the paper and were separated because
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Physical and Chemical Properties Toby Orme-Lab 4 Solubility or Reaction Substance Name Color Odor Effect of Heat Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH Mg Silver N/A N/A Non soluble Bubbles Basic Hot/fizz N/A Cu Copper N/A Purple then turned black Non soluble N/A N/A N/A N/A Zn Silver N/A N/A Non Soluble N/A N/A Vaporized and fizzed N/A MgO White N/A Omits gas Hazy mix Boiled Rapidly Basic Got hot and fizzed Became thick or pasty CuCO3 Green N/A Turned black Hazy Green Became powdery
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