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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Over the past several centuries, artists and chemists have works with one another to develop the pigments and paints that we use today. Beginning in ancient Mesopotamia craftsmen discovered that by combing soapstone, ground up copper minerals, sand, and chalk, they could create a blue material. This material eventually became a crucial part of Egyptian art and culture. At the beginning of the eighteenth century, an alchemist was working on creating a red lake pigment. A lake pigment is usually made
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Introduction: A chemical change is any change that results in the combining of chemical substances to form new ones. Chemical changes can be detected by seeing a change in the colour, smelling a gas, seeing bubbles (effervescence), seeing a new solid form in a clear solution or seeing the energy being produced or absorbed in the form of heat or light. A physical change is the opposite of this. It is a change that does not result in the forming of a new substance. Two examples of chemical changes in real
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