The question posed to me is‚ “Does technology change history‚ or is it people that do this?” If one were to take a walk back into history‚ they would notice that the potential for technology has always been there‚ but its human interaction with that potential that made it possible for that single‚ lone‚ idea to come to fruition. Prime examples would be; Einstein with the theory of relativity‚ even further back is Noah and the ark‚ Marie Curie and the theory of radioactivity‚ and the list goes on
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science Ryde Secondary College‚ SL#710371 INDUSTRIAL CHEMISTRY What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. THE CHEMICAL INDUSTRY 2. CHEMICAL EQUILIBRIUM 3. PRODUCTION OF SULFURIC ACID 4. PRODUCTION OF SODIUM HYDROXIDE 5. SOAP & DETERGENTS 6. THE SOLVAY PROCESS FOR Na2CO3 ...all in the context of the applications of Chemistry in human society. 1. THE CHEMICAL INDUSTRY The “Invisible” Industry Most people are familiar with some aspects
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Introduction In my report I will discuss what I did as an experiment and what I hope for it to achieve. Firstly I carried out an experiment to assay the effectiveness that a range of disinfectants have on the growth of ecoli and whether or not it can prevent it from growing. From the experiment i should be able to see that some disinfectants have a greater effect than others do. From this I shall then draw a conclusion and evaluation on what was the most effective‚ and could there have been any
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Experiment 1: TLC Analysis of Analgesic Drugs 1/23/2011 Purpose: The goal of this experiment is to test our knowledge and understanding of TLC analysis by having us do a TLC analysis of analgesics to figure out their main chemical components. Calculations: 1.) Rf = Distance spot traveled/ distance solvent traveled Results: Table 1: TLC Analysis Analgesic Drugs | Rf Value | Acetaminophen | 0.323 | Aspirin | 0.597 | Caffeine | 0.081 | Unknown 154 (Plate 1) | 0.081‚ 0.306‚ 0.597
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1) Segementation(2*2 matrix) and Targeting Segmenting the Dominite market by end-use applications of cermaic tile and paint by large and small-to medium comapnies 2) Sales Organization changes: Dominite is currently trying to sell to both large and small companies. It is economical in the long run to sell to large customers directly and to small companies through a agents or distributors. In the future to sell and to service large customers Dominite should setup a key account program.
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5cm^ 20 percent sodium chloride solution and 10cm^3 20 percent sodium chloride solution in tube C. 3) Three cylinders of potato were removed from a petri-dish and placed on the tile provided. One end of each was cut to a 90 degree angle‚ then cut all to the same length of 30mm 4) One potato cylinder was put in each test-tube and was covered with 3m masking tape provided‚ then the exact time was labeled: 11:39 a.m. 5) Potato Tissue was left for approximately 21 hours and removed from the test-tube
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EXPERIMENT OBJECTIVE The aim of this experiment is synthesize hexaphenylbenzene via an aldol condensation reaction‚ followed by a Diels-Alder [4+2] cycloaddtion. This is final step in the multistep synthesis pathway to form hexaphenylbenzene‚ and uses the products of the previous experiments: benzil and diphenylacetylene REACTION DIAGRAM TABLE OF REAGENTS BENZIL DIBENZYL KETONE TRITON B 40wt% IN METHANOL (1.79 M) TRIETHYLENE GLYCOL TETRAPHENYL-CYCLOPENTA-DIENONE DIPHENYL ACETYLENE
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found its way into discussion through several media outlets‚ including medical journals‚ film and literature. Questions of who we are as both individuals and as a human species are raised in hopes of addressing the controversial dilemma surrounding this biological manipulation. Several films and novels have wrestled with the issue through the narration of fictional characters who find themselves in the eye of the storm‚ as the products of genetic cloning. “Never Let Me Go” by Kazuo Ishiguro addresses
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Hypotheses and Predictions: The authors wanted to test if it is possible to detect increased metabolic work in two estuarine species (Hemigrapsus oregonensis and H. nudus) and relate this function to increased osmotic work by measuring oxygen consumption with respect to changes in temperature‚ salinity‚ and the gradient‚ which they defined as the difference in concentration between blood and the external medium. The authors predicted “because of seasonal variation in salinity it would appear quite
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The objective: In this experiment‚ I decided to find out how temperature would affect endothermic reactions compared to exothermic reactions. An endothermic reaction absorbs energy in the form of heat. This reaction feels cold because it is taking heat away from its surroundings. It also releases gases. An exothermic reaction is a reaction that releases energy as heat. Since the energy is released‚ the exothermic reactions feel hot. Methods/Materials I did three experiments. I mixed lemon juice
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