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    Saponification Lab

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    Abstract: For the first part of this lab we refluxed different Carboxylic acids and alcohols in the presence of a acid catalyst in order to form Esters by Fischer Esterification. These Esters had different pleasant smells that we then evaluated. In the second part of the experiment‚ we broke the ester bonds of a triglyceride in order to form glycerol and carboxylate salts. This process is known as Saponification because it produces amphiphilic molecules that allow soap to remove dirt from the surface

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    lab 4

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    NT1210 Chapter 4 Lab 4.1.1 Standards are put in place to make everything work together error free. Because Stability‚ Consistency‚ Minimization of packet errors. 4.1.2 Because the voltage used to transmit data needs only be high enough for the receiver to detect it. Making the voltage higher would make the receiver electronics more difficult. 4.1.3 Hospitals‚ security systems‚ PA & recording studios. The drawback of STP cables is that they will increase the total cost of an installation.

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    Assignment 5

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    Assignment 5 – Art and Abolition By: Joshua Cardinale Land of the Lotus Eaters – Robert S. Duncanson There are several artist and paintings in the Sharon Patton book. To choose one particular landscape painting would be tough. Moreover‚ in choosing this painting and discussing why I think black artists may have used these landscape paintings as a means of expression during the abolitionist movement can be possible to do so. Within several of these landscape paintings‚ I do believe that I see possible

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    Pre-lab

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    Alexis Becker Pre-Lab Experiment 7 Avinash Pallagani Investigating Stoichiometry with sodium salts of carbonic acid 4/2/14 A summary of the concepts: The purpose of this lab is to better understand “stoichiometry”. We will be reacting sodium carbonate (NaHCO)3 and sodium carbonate (Na2CO3) with hydrochloric acid to produce sodium chloride‚ water‚ and carbon dioxide. The balanced chemical reaction looks like this: NaHCO3 + HCl = NaCl + H2O + CO2 CAUTION: Be especially

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    Spectrophotometer Lab

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    For this lab it was necessary to bring a watch with a second hand‚ as well as personal protective gear: lab coat‚ safety goggles‚ and safety gloves. It was best to work in pairs and one partner needed to be a timekeeper while the other one would record the data. The timekeeper then would announce every 5 second interval‚ beginning from when the enzyme was added to the tube. On the other hand‚ the recorder would read and record the absorbance from the spectrometer at the 5 second intervals. This was

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    Bird Lab

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    Darwin’s Finches Lab    In  this  inquiry  lab‚  we  explored  natural  selection  using  a  laboratory.  We  wanted  to  see  what  was  the  effect  of  the  type  of  food  available  on  the  frequency  of  different  types  of  bird  beaks.  Our  hypothesis  was  that  If the type of the food available changes‚  then the frequency of  beak  types  will  change‚  because  birds  with  beaks  more  suited  to  the  available  food  will  be  more  successful over time.  Variables:  Independent Variable: type of food available 

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    Mtap 5

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    What is the place value of 6 in 874‚695‚457? 735‚480 = 7 x 10 5 + 3 x 10 4 + N + 480. What is N? Which number has 2 and 9 as factors? 6282‚ 7262‚ 6380. What is the remainder when 34‚785 is divided by 37? How many prime numbers are there between 80 and 100? Round 478‚512 to the nearest ten thousand. Round each number to the nearest thousand and estimate the sumof 7 501 + 8 398 + 6 521  In 345‚846‚ how many times as great is the underlined 4 than the4 that is not underlined? What is the

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    Simulation Lab

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    Simulation Lab Group #5 Dynamic Systems 1‚ ME3211 David Cramer Percentage of Work_______________________________________ Cory Spelman Percentage of Work_______________________________________ Table of Contents Objective Calculations Experimentation Results Appendices Objective The objective of this lab was to understand how to use the Working Model 2D software and to apply this knowledge to create a vibration absorber. Part 1 was to open up a demo file and analyze the force vs

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    Salt Lab

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    Modeling Effective Dose: Salt Tasting lab Purpose The purpose of this lab is to see at what measurements (of salt) can the salt be detected by taste. Abstract The science of toxicology is based on the principle that there is a relationship between a toxic reaction (the response) and the amount of poison received (the dose). An important assumption in this relationship is that there is almost always a dose below which no response occurs or can be measured. A second assumption is that once a maximum

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    Homework 5

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    Homework 5 1. A. Beer- process‚ product focused processes and repetivie process all can be used to make beer. B. Wedding invitations- mass customization will be the best way to describe wedding invitations because ususally theya re ordered in big orderes as well as a wide verity depending on the order of each customer. C. Automobiles- Is Ripetative because the set up of making automobiles is a set up as an asembly line as well as having skilled workers to oversee the machines that but the

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