of McVeigh’s army buddies‚ Michael Fortier‚ assisted in “[casing] the Murrah Building several months before the bombing” (Lacayo 2). Evidence also reveals that “McVeigh’s fingerprints were found on a receipt for one-fifth-pound (90-g) bags of ammonium nitrate fertilizer-- the chief ingredient in the Oklahoma bomb” (Lacayo 2). In order for the bomb to be made‚ “McVeigh and Nichols stashed the fertilizer in rented storage facilities‚ then mixed and assembled their bomb in a park near Nichol’s farm”
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inoculate a SIM Agar Deep Tube. After the culture was inoculated‚ it was placed in an incubator at 37ºC for 48 hours. A positive H2S Production test would have showed a black precipitate along the stab line in the media‚ which indicated that ferrous ammonium sulfate combined with gas to form the black precipitate (Pearson’s 2011). A negative H2S Production test would have showed no black precipitate along the stab line in the media (Pearson’s 2011).
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CHEM 1411 – General Chemistry I Practice Problems‚ Chapters 1–3 Chapter 1 – Chemistry: The Study of Change 1. Element‚ compound‚ homogeneous mixture (solution)‚ or heterogeneous mixture: a) orange juice b) brass c) 0.9% saline (NaCl) solution d) garden soil e) room air f) methane gas g) sodium metal h) N2 gas i) Cu(NO3)2 crystals (freshly-squeezed) 2. Define (some of these terms are found in Chapters 2 and 3): a) c) e) g) i) k) m) o) 3. b) d) f) h) j) l) n) compound physical change
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1.1. Introduction The study describes and analyses the relationship between the production of waste in animal product processing industries on the one hand and the prevention and treatment of the waste on the other. The industries discussed are slaughterhouses‚ tanneries and the dairy industry. The report offers a summary of the knowledge on production‚ prevention and treatment of waste in these three animal products processing industries. Because of the limited time available for this study‚ the
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Enzymes and their importance in plants and animals (25 marks) Enzymes are biological catalysts‚ which accelerate the speed of chemical reactions in the body without being used up or changed in the process. Animals and plants contain enzymes which help break down fats‚ carbohydrates and proteins into smaller molecules the cells can use to get energy and carry out the processes that allow the plant or animal to survive. Without enzymes‚ most physiological processes would not take place. Hundreds of
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This paper is an analysis conducted on Nucleic Acids through a variety of tests specifically‚ Dische‚ Murexide‚ Wheeler-Johnson and Phosphate Tests in order to exemplify structural features of nucleic acids as well as identify the principle involved in each chemical test. Different procedures and different test compounds were applied‚ and results were noted as for changes in colors of precipitates or solutions. For Dische Test‚ light blue was obtained for RNA and dark violet for DNA. For Murexide
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Activity 4.1.3: Testing the Waters | Introduction Many chemicals dissolve in water because it is an excellent solvent. Once dissolved‚ these chemicals are not visible to the human eye. Therefore‚ many chemicals might be present in water without providing any visible evidence. Additionally‚ some substances can be present in very low concentrations and still cause health concerns. For these reasons‚ drinking water needs to be tested for contamination. A variety of chemical tests are used to detect
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MALACAÑANG Manila PRESIDENTIAL DECREE No. 1185 FIRE CODE OF THE PHILIPPINES WHEREAS‚ death and injury to persons and loss and damage to property by fire have reached alarming proportion that the economic and social gains of the society are being continually undermined; WHEREAS‚ in order to effect a meaningful reduction of the alarming fire losses‚ there is a need to develop national consciousness and involvement of all persons in the prevention and suppression of fires; WHEREAS‚ fire prevention
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1.0 General Description 1.1 General 1.1.1 Project Capacity This project is planning to install 2×300MW units‚ The configuration of unit is Pulverized coal fired boiler with condensing steam type turbine‚ and Limestone-gypsum wet Flue Gas Desulphurization system adopted. 1.1.2 Site Conditions(supposed for the technical proposal for the present.) 1. Location The power station is located at Boalkhali Chittagong Bangladesh 2. Fuel & Transportation The source of coal for the power station
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Chemistry SCH3U Unit 1 Lesson 1 Key Questions 1. List three physical properties and one chemical property of a) an iron nail * conducts heat and electricity well * solid at room temperature * ductile * rusts in water (chemical) b) gasoline * liquid at 20deg C * boils between 20 and 200 degrees Celsius * not soluble in water * flammable in the presence of oxygen (chemical) 2. People in a workplace should have access to MSDS sheets so that * chemicals
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