material of choice by determining the heat of combustion. Fully understanding calorimetry is a very important skill to have whilst analyzing fuels. Calorimetry can be defined as the process of measuring how much heat is released or absorbed in a chemical reaction. The students will be dealing with an endothermic reaction, a reaction taking in heat rather then letting off heat. Calorimetry will be useful when analyzing fuels because the students will be able to collect data on however much heat is
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ABSTRACT The resistivity is a very important property to consider in a drilling fluid. The measurement of resistivity gives us adequate information to know on the concentration of soluble salts. Resistivity is measured by placing the sample in a resistive container having two electrodes spaced so that electrical current can flow through the sample. The main aim of this experiment is to determine the resistivity of the mud sample, the effect of the additives on the mud and then take the measurement
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Serotonin is one of the most important chemicals in our body. It is a neurotransmitter that helps transport signals to different part of the brain to help regulate our system. Serotonin is not only found in the brain but it is also found in the intestines. Surprisingly up to 90% of our body’s serotonin is found in the GI tract. Knowing serotonin is so important we must understand how it is produced, used, stored and deactivated. Serotonin is produced through a process of conversion, which starts
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The haloform reaction is one of the oldest known reactions, it dates back to 1822 whenever Serullas accidently discovered an iodine and alkali converted alcohol into iodoform. He called this a “hydroiodide of carbon”. The reaction was not purposely discovered until Guthrie in 1831 whenever he bleach powdered an alcohol and for chloroform. In 1834 Duman formed bromoform by hydrobromite on alcohol. Duman is the one who actually gave haloforms their present name, and also determined their composition
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in the biological synthesis of compounds in metabolic processes of living organisms. The reactions also form part of the pharmaceutical preparation processes in industries and academia. The reaction helps in the formation of new complex organic chemicals. Therefore, nucleophilic addition reactions are central to organic chemistry. Read through this topic to learn more about nucleophilic addition reaction. Nucleophilic addition reactions We will be able to convert multiple bonds into different functional
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Chemistry Practice: Writing Chemical Formulas Write a chemical formula for each substance. 1. NaCl______________ sodium chloride 2. N2O5______________ dinitrogen pentoxide 3. O2 ________________ oxygen 4. K2SO4 ____________ potassium sulfate 5. H2SO3_____________ sulfurous acid 6. AgC2H3O2 _________ silver acetate 7. Cr(NO3)3___________ chromium(III) nitrate 8. SO3_______________ sulfur trioxide 9. (NH4)2CO3___________
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The purpose of this lab was to get used to using lab machinery such as the spectrometer. Spectroscopy is the interaction of matter and electromagnetic radiation. Most of our lab was based on the idea that matter would absorb and then reflect the colors we wanted to see based on the dyes we used. We also tested how strong the dyes were by testing them on filter paper and seeing how far they would travel up the paper. During dry lab we put all the classes’ data together to get accurate absorbance averages
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Elements Necessary for Life Elements are vital to our survival. Every element contributes to the human race in some way. Out of many elements phosphorus is fascinating and silently helps you everyday. Many elements, including phosphorus, helps in different ways to keep our bodies functioning and running. In fact, you cannot live without certain elements in your day to day life. Phosphorus was a discovery purely based on an act of curiosity. Hennig Brand, a german merchant who fancied alchemy
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In the chemical reaction glucose and oxygen produce carbon dioxide and water plus ATP. Other characteristic of live that the sample shows is evidence of maintaining homeostasis. The sample passively transport materials. In the sample osmosis is passive transport
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Step one of the experiment consisted of oxidizing cyclohexene to adipic acid using sodium tungstate dehydrate as a catalyst as well as aliquat 336. Aliquat 336 is used as a phase transfer catalyst that increases the rate of a reaction between chemicals that are in different phases. In this case, the two phases are aqueous and organic and aliquat 336 is soluble in both. By using sodium tungstate, this eliminates the necessity of using a strong base such as permanganate, which was in the 1st edition’s
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