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Chemistry of Pool Water

- Introduction The objective of pool inspection is to protect public health and safety by ensuring the pools are maintained and operated in compliance with the regulations. There are many different aspects of the swimming pool that need to be checked to ensure its safety, not only the water quality, but also the areas around the pool including equipments, recirculation system and etc. Routine pool inspections allow the operators and the inspectors to identify potential problems that require repair or adjustments to avoid accidents from occurring....   [tags: Chemistry]

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Surface Chemistry of Silica

- In order to gain strong insight into the surface chemistry of silica we have perform a thorough literature search. Our goal is to identify the pioneer research performed on silica and silica supported catalyst. Particular interest lies in silica-water-cobalt and silica-alcohol-cobalt systems. This study is both on macro and micro level so that a complete theoretical base can be established. From this theoretical knowledge, key areas to look upon will be identified and a design of experiments will be established....   [tags: Chemistry]

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Nuclear Chemistry

- Types of Radiation: • List the three types of Radiation and describe conditions under which each case occurs. Alpha, Beta, Gamma. Alpha radiation/emission - Alpha particles are the nuclei of a Helium atom 42He. Consisting of two protons and two neutrons, positively charged. The nuclei are ejected from heavy, unstable nuclei so as to remove excess protons and neutrons. However, the formed nuclei may still be radioactive in which even further decay will occur. Alpha emissions occur in nuclei with atomic numbers greater than 83....   [tags: Chemistry]

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Chemistry of Taste and Smell

- The human body does amazing things on a daily basis. All the senses that the body uses consists of nerves, neurotransmitters and the brain decodes the messages that was received. Smell is the passing of odorants through the nose, received by the olfactory cells, and are sent directly to the brain. Taste is the weakest of the five senses but it is the sensory function of the central nervous system( The Science of Taste and Smell). We taste and smell things every day but little do most people know that these two senses work together to make life even more satisfactory....   [tags: Chemistry Essays]

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History of Chemistry: Medicine and Technology

- ... Also when someone came up with a new type of virus or some symptom or something that needed medical attention, was complicated for them to try and figure what it was or if it was the weather change. But thankfully technology has been improved to help us live better and in a safe environment. Natural resources may limit technology but it also advances technology. In the many ways that it advances or helps technology are that; it reduces or eliminates the use or generation of hazardous substances....   [tags: cures, environment, lives, chemistry]

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The Chemistry Nobel Prize 2013

- For what work (research) was the prize awarded. Chemistry is one of category of Nobel Prize given to chemists who have dedicated in chemistry science. For a chemist, Nobel Prize is one of most prestigious award. Nobel Prize for chemistry 2013 has been decided, chemistry prize goes to three theoretical chemists who have developed a multiscale computer model to predict complex chemical reaction. For some people, maybe it the Chemistry Nobel Prize 2013 decision was a surprise. The Prize did not go to chemist who had developed new formula of chemistry but the prize went to a group of chemists who had developed a computer program about chemistry....   [tags: Science, Chemistry, Nobel Prize]

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The Chemistry Nobel Prize 2013

- The Chemistry Nobel Prize 2013 Chemistry is one of category of Nobel Prize given to chemists who have dedicated in chemistry science. For a chemist, Nobel Prize is one of most prestigious award. Nobel Prize for chemistry 2013 has been decided, chemistry prize goes to three theoretical chemists who have developed a multiscale computer model to predict complex chemical reaction. The three chemists are Michael Levitt from Stanford University, Martin Karplus, Strasbourg University, Harvard University, and Cambridge University, and Arieh Warshe from University of Southern California....   [tags: Chemistry Nobel Prize]

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History of Chemistry: Chemical Weapons

- ... Next is Nerve Agents, which are considered to be organophosphates. Nerve agents work by stopping flow of ACh, which is responsible of muscle contraction. When effected it leaves you with no control of your body, leading you to a slow painful death. Then, there is Blood Agents. Blood Agents are fast acting, cyanide or arsenic type of positions. They work quickly and go into your bloodstream. At short term exposures it can just cause dizziness and nausea. But long term can cause brain damage and muscle paralysis....   [tags: chemistry, technology, victims, types]

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Chemistry before Technology: Alchemy

- ... According to the New York Times article “The Magical Origins of Modern Chemistry” alchemy was a philosophy and practice that sought to understand the nature of matter. Because of the alchemist they were able to make porcelain, pigments, perfumes, gunpowder, and pharmaceuticals. Before technology was brought into chemistry it took longer for scientist to discover certain items and chemical compounds and it took them longer to figure out how to do certain things. Before there were phones and computers scientist and chemists could not share their data with others in hope to gain more knowledge and ideas on how to make chemical reactions work....   [tags: history of chemistry, medical research]

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The History of Chemistry and Its Influence on Society

- ... Other important metals that were discovered and that seemed to be popular were silver, copper, tin and meteoric iron. During the early ages of Metallurgy, the methods of purification of metals were looking to be found. But surely the found more gold and came to be way more amused by that again. They called it the precious metal. The next stage of time was known as the Bronze Age. This is when they discovered that certain metals can be recovered by their ores by heating the rocks in fire. Mostly tin, lead, and copper, this process was called smelting....   [tags: what was it like before chemistry?]

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Application Essay for the Ph.D Program in Chemistry

- The decision to continue my education by pursuing a Ph.D in chemistry stems from my desire to be a lifelong learner and the satisfaction I have received from my research during my undergraduate studies. After visiting the University of Wisconsin-Madison during the CHOPs visitation, and speaking to the the faculty and students, I saw they share the same passion as myself in solving new problems and having an extensive education, and is why I have chosen to apply to its Ph.D program in chemistry. What do you intend to study in grad school and why....   [tags: education, chemistry, undergraduate]

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History of Chemistry: Improvement in Battery Technology

- ... Although Benjamin Franklin did not construct the battery, he was the first person to use the term “battery” to describe a set of capacitors he used for electricity experiments. It was Alessandro Volta who invented the first true battery in 1800. (3) The battery was called the Voltaic Pile and had pairs of copper and zinc disc on top of each other, separated by a layer of cloth or cardboard soaked in brine. The Voltaic Pile produced a continuous and stable current and did not lose much charge over time or when not being used....   [tags: devices, electrical, chemistry, battery]

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The Effect Of Periodic Table On The Field Of Chemistry

- ... Alexandre Béguyer de Chancourtois was one of the first people to make a significant improvement towards a construction of a periodic table. His ‘vis tellurique’ (telluric screw), a 3D arrangement of the elements was an early form of periodic classification, published in 1862. Although the telluric screw did not correctly display all the trends that were known at the time, de Chancourtois was the first to use a periodic arrangement of all of the known elements, showing that similar elements appear at periodic atom weights....   [tags: Periodic table, Chemical element, Chemistry]

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Organic Chemistry

- Chemistry has been called the science of what things are. Its intent is the exploration of the nature of the materials that fabricate our physical environment, why they hold the different properties that depict them, how their atomic structure may be fathomed, and how they may be manipulated and changed. Although organic reactions have been conducted by man since the discovery of fire, the science of Organic chemistry did not develop until the turn of the eighteenth century, mainly in France at first, then in Germany, later on in England....   [tags: Chemistry]

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Heterocyclic Chemistry: The Knorr Synthesis of Pyrroles

- The Knorr synthesis of the pyrrole, 2,4-diethoxycarbonyl-3,5-dimethylpyrrole, was achieved using an α-amino ketone, ethyl acetoaminoacetate and reacting it with its predecesso r, ethyl acetoacetate in a double condensation reaction . The product was analysed by 1H NMR, 13C NMR, mass spectrometry and IR spectroscopy giving positive results . Introduction Pyrrole has been a molecule of great interest due to its heterocyclic aromatic properties. The lone pair on the nitrogen is delocalised within the ring, causing the heterocycle to be electron-rich ....   [tags: Chemistry]

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Chemistry of LSD and Route of Access

- Chemistry of LSD and Route of Access Classification Pharmacologically, the commonly abused hallucinogenic substances may be divided into two major groups. The indolealkylamines, including d-lysergic acid diethylamide (LSD), psilocybin, and dimethyltryptamine (DMT) bear a structural resemblance to the neurotransmitter 5-hydroxytryptamine (serotonin). The phenylethylamines, including mescaline and the phenylisopropylamines such as 2, 5-dimethoxy-4-methylamphetamine (DOM, "STP"), are structurally related to dopamine, norepinephrine, and the amphetamines (Gelenberg, Bassuk, Schoonover 1991)....   [tags: Chemistry Chemical Science Papers]

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Chemistry and Synaptic Transmitters

- Chemistry and Synaptic Transmitters The most common psychoactive substances can be divided into depressants (i.e., alcohol, sedatives, hypnotics), stimulants (i.e., cocaine, amphetamines, ecstasy), opioids (i.e., morphine and heroine), and hallucinogens (i.e., PCP, LSD, cannabis). The brain has different effects to different psychoactive substances. They bind to different receptor types, and can increase or decrease the activity of neurons through several different mechanisms. Consequently, these psychoactive substances have different behavioral effects, different rates of development of tolerance, different withdrawal symptoms, and different short-term and long-term effec...   [tags: Chemistry Science Scientific Essays]

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Chemistry Coursework – Fuels

- Chemistry coursework – Fuels Planning ======== Aim --- In this investigation I will have to find out which of the alcohol fuels: methanol, ethanol, propanol and butanol, is the best. The ‘best’ one will be the one which creates the most energy whilst burning. Introduction and prediction --------------------------- A fuel is a substance burned for heat or power. The best type of fuel is one that: can be transported safely without the worry of it catching on fire, gives out a lot of heat for a certain mass, does not cost very much, lights quickly, burns slowly, is safe to use and does not give off any form of polluting gases....   [tags: GCSE Chemistry Coursework Investigation]

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The History of Chemistry Up to the XIX Century

- ... Early civilizations, such as the Egyptians and Babylonians amassed practical knowledge concerning the arts of metallurgy, pottery and dyes, but didn't develop a systematic theory.A basic chemical hypothesis first emerged in Classical Greece with the theory of four elements as propounded definitively by Aristotle stating that that fire, air, earth and water were the fundamental elements from which everything is formed as a combination. Greek atomism dates back to 440 BC, arising in works by philosophers such as Democritis and Epicurus....   [tags: chymistry, a scientific art]

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History of Chemistry: The Influence of John Dalton

- ... Although this idea has been around for centuries, ideas against the atomic theory have been around just as long. The philosopher Aristotle, argued against the existence of atoms all together. Roman Catholic theologians during the Middle Ages in Europe also backed up the argument of Aristotle. Overall, the atomic theory has been an on going argument for many centuries and is still being tested today. Then, in 1808 John Dalton came up with the Modern Atomic Theory. During this time there were laws called the law of conservation of mass, the law of definite proportions, and the law of multiple proportions....   [tags: chemisty, law, theory, atoms]

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A General Review of the Chemistry and Utility of Scopolamine

- The study of scopolamine involves aspects that are manifold and complex. In this investigation, the pathways for biological and laboratory syntheses were elucidated, in additional to the physical and chemical properties and characteristics of scopolamine. 13C-NMR and H-NMR were generated from collected data, and the isolation and uses of scopolamine were discussed. Introduction Scopolamine's uses have roots in ancient times and have pervaded into the present. This heterocyclic tropane alkaloid is naturally found in Solanaceas plants and can be prepared in the laboratory from various precursors....   [tags: Chemistry]

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The History of Chemistry: Chemistry is True Science

- ... So what was the world like before Chemistry you might ask yourself. Life before Chemistry was much more difficult. Ancient Civilizations did not know which chemicals to pair with what, leaving them with lives that were much more difficult than what was needed. After the discovery of Chemicals, and the use of science in everyday lives, the environments became more and more structured. Humans began to use this way of life and channel it into their own, from the mixture of certain chemicals to make pottery, to extracting medicine out of plants....   [tags: society, impact, technology]

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Chemistry Report: Experiment on Rates of Reaction

- Rates of Reaction CaCO3 + 2HCl → CaCl2 + H2O + CO2 In this report I will be suggesting my predictions on what the rates of reaction will be and what the actual rates of reaction are. I will do this by collecting data from experiments and I will show this by putting data into a table. The main aim of my experiment is to find the rate of reaction over time taken and the rate of reaction when the concentration of hydrochloric acid increases or decreases. I will try to make my experiment as accurate as I can....   [tags: chemistry experiment, lab report]

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18 Steps to Make a Chemistry Experiment

- STEP 1: Test the conductivity of the glasses with a volt meter. Look for the side which has resistance. To start this experiment off, we needed to determine the conductive side of the glass. The conductive side will have the resistance. This will be the most active in this experiment. It will take a huge part to this experiment because it contains the electrons that this experiment requires. STEP 2: Tape down the conductive sides to the table. Place each side with two pieces of tape except the side closest to you place one piece....   [tags: titania, tio2, chemistry, voltage]

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The History of Chemistry

- ... What is the point of studying chemistry. Because we use all the time, especially when we are cooking. If you know how to use chemistry to your knowledge, then it can help you make everyday choices. There are many people who work in the field of chemistry. People from doctors to truck drivers. People often wonder what the importance of chemistry is. It is the study of matter, and matter is all around us. Chemistry is also explains things like cooking, cleaning, medicine, and many other things....   [tags: alchemy, pure sciences]

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The Science Of Chemistry

- The Science Of Chemistry There are many different types of sciences. Every type is important. Some sciences were actually created by other sciences. Chemistry is one of the main sciences that actually was the building block for other sciences like Biology. Chemistry does not only happen at school. Chemistry is all around us it's in our everyday life. Chemists are life savers;they create vaccines and medicines for people who need them. Chemists also work with different type of scientists to create different technology that could change the world forever....   [tags: democritus, atom, vaccines]

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The History of Chemistry

- ... Chemistry is important to everyday life, because everything is made of chemicals. Chemistry is outside with the leaves changing colors in the fall. The supplies used to do household chores are made from chemistry. Chemistry is literally in everything from the food you eat to the air you breathe. It’s in your soap, your emotions, and everything you can see or touch. Antoine Laurent Lavoisier is considered to be the father modern day chemistry. He had a mighty impact on the way the world views chemistry today....   [tags: alchemy, importance]

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The History of Chemistry

- ... He discovered that the volume of a gas decreases with increasing pressure and vice-versa (Boyle’s Law). Antione-Laurent Lavoisier, another leading thinker of the Chemical Revolution, gave society a new understanding of the chemical role of gasses in explaining combustion, respiration, and other processes. These leading scientists and their forerunners made Chemistry a science that their successors would continue to study (Chemical Heritage Foundation). Elements—pure substances that cannot be broken down into simpler forms—and compounds—mixtures of two or more elements—form all types of matter....   [tags: scientific fields of study]

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The History of Chemistry

- ... These are just a few of the stuff we use today in chemistry. So what was society like without all this stuff we have today. Well we could say they weren’t as affective of some of the stuff we have today. For intense they had some of the stuff we have to day but ours is just more advanced now. The more advanced we are the more we will be better off in society with the stuff we have in the future. Natural resources help with chemistry in many ways like materials in chemistry will construct many of the required solutions to some of the most important energy and environmental problems in today's society (Royal Society of Chemistry 2013)....   [tags: pure sciences, alchemy]

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The History of Chemistry

- ... He was also the founder of modern mineralogy, and in 1751, he also discovered the mineral scheelite, tungsten. Joseph Black had isolated carbon dioxide in 1754. He soon called carbon dioxide “fixed air.” In 1758, joseph used a concept called latent heat to show the thermochemistry of phase changes. Henry Cavendish had isolated hydrogen in 1766. He soon called “inflammable air.” In 1773, Carl Wilhelm Scheele discovered oxygen. He came to call this “fire air.” Scheele had not published his achievement soon enough, and Joseph Priestley did instead....   [tags: Lewis electron dot diagrams,]

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Chemistry lab report

- The goal of the project was to characterize an "unknown" organic acid in order to make a proper identification of the acid, while learning proper techniques for scientific measurement and analysis of error. In order to ensure the most accurate data, a purification was performed by the process of recrystallization. To perform the recrystallization the powder was dissolved in a minimal amount of hot ethanol/H2O solvent that allowed the unknown powder to crystallize properly when cooled. This process allowed for the removal of soluble impurities when suction filtered....   [tags: Chemistry]

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The History of Chemistry

- ... Michael Faraday discovered that a definite quality of change must flow in order to give weight in the solution. Avogrodro introduced the hypothesis that equal volumes of gases at the same pressure contain the same number of molecules. Prout thought that all elements have an atomic weight and multiples with the weight of hydrogen. This hypothesis contributes to the periodic table. The periodic table was independently found by J. L Meyer in Germany and D.I Mendeleev in Russia (1869). Adding on to that William Ramsay and Lord Rayliegh found other gases to extend the periodic table....   [tags: alchemy, the periodic table]

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The History of Chemistry

- ... In 1774-1794, Joseph Priestley discovered a colorless gas he called “dephlogisticated air”, which is actually oxygen, by taking a calx of mercury and burning it. Antoine Lavoisier disapproved the Phlogiston Theory. He named the “dephlogisticated air” oxygen when he realized oxygen combines with substances as the burn. Lavoisier is now called the “Father of Modern Chemistry” because of his attributions. In 1803, John Dalton’s Atomic Theory states that all matter is composed of atoms, which he discovered are small and indivisible....   [tags: alchemy, turning cheap metals into gold]

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The History of Chemistry

- ... He realized the tube was giving off a ray that passed through the heavy paper. He then discovered you could also cast shadows of objects on pieces of film. Within a year, X-rays were being used in diagnosis and therapy and were an established part of medicine. Doctors use artificial radiation to diagnose disease or injury. It does not contain any natural resources. ("Artificial Radiation") The X-ray photons carry enough energy to ionize atoms and disrupt molecular bonds. This makes it a type of ionizing radiation and making it harmful to living tissue....   [tags: science research paper, x ray machine]

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Careers in Chemistry

- “Careers in Chemistry” Though many people fail to realize it, chemistry is a subject essential to everyday life, due to the fact that it is the branch of science that deals with the identification of the substances of which matter is composed. But what we must understand is that everything in the universe is composed of matter, hence chemistry is necessary in learning more about the world and universe that we live in. There are many careers and fields affiliated with chemistry that people pursue to learn more about the composition of the universe, but for now, let us examine the logistics of three of these careers....   [tags: geochemists, chemical engineering]

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Chemistry Experiment on the Reaction of Different Metals When Exposed to Acid

- Before the experiment, I wrote down a prediction. My hypothesis towards the experiment was that magnesium would have a bigger reaction with the acids. The reactivity of an element depends on its ability to gain or loose electrons which are used for bonding. The more reactive an element, the more easily it will combine with others. From this information, I know that magnesium has a stronger ability to gain or loose electrons which makes the metal more reactive. I gathered together four different metals and acid compounds which all reacted with one of the elements in the past, for example, Iron Sulphate (FeSO4) contain iron....   [tags: chemistry lab]

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History of Chemistry: What Brought About Modern Chemistry

- ... This was the end of alchemy in that time period as they knew it, with the disproving of Aristotle’s four element statement, and the publication of The Skeptical Chemist destroyed the thought of alchemy as a form of chemistry, and then Modern Chemistry began. After the publication of the Skeptical Chemist, Johann J. Beecher, thought phlogiston was a substance that that when something was burned, it was added from the air to the flame of the object that was burning. He also thought in certain substances, that a product was produced, and this was called the Phlogiston Theory....   [tags: science, published, change, subject]

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The Chemistry of Love in Modern America

- The Wonderful World of Disney is magical land full of fun, happiness, friendships, and love. Children from a young age are captivated by the colorful art, whacky characters, and funny moments found in the classic cartoon films. The children may walk away from the movie feeling happy, but their minds have been contaminated with ideas far beyond their understanding; ideas specially pertaining to love. From such a young age, children are used the idea of ideal love, love at first site, and eternal love from Cinderella, Pocahontas, Beauty and the Beast, and many others....   [tags: Relationships]

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The History of Chemistry and Technology

- ... Despite the alchemists' efforts, transmutation of cheap metals to gold never happened within this time period. Over the years with chemistry evolving into everyday use in life, in 1845 Heinrich Geissler created the first vacuum tube. After that point chemistry picked up and discovered for the do a lot off things using the ways and life of chemistry as in The Protons, X-rays, The Electron, Types of Radiation, Protons and Nucleus, and much much more What was society like before the discovery of your technology....   [tags: advances in science]

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History of Chemistry through the Ages

- ... This means, we would not have satellite TV or internet. Without internet I would not be typing this chemistry paper right now. Without chemistry we wouldn’t have cell phones. Without cell phones, teens today would simply not know what to do with themselves. It is one thing after another. The world needs chemistry. Natural Resources involved in chemistry would be oxygen as one of the main ones. Oxygen is a very important element I guess you could say. Without oxygen we would not be here right now....   [tags: resources, society, teachnology]

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History of the Science of Chemistry

- ... I believe life/society, has got better and increased our knowledge about the things we didn’t know at first. Society has really take advantage of the quality and put forth a great effort to answer questions for life before chemistry. One important scientist who’s put forth an effort to answer any questions we have about chemistry is the son of Richard Boyle, first earl of Cork and a great Elizabethan adventurer, and his second wife, Katherine Fenton, Robert Boyle was born to considerable affluence and was related, by blood or marriage, to all the great Anglo-Irish families of his day....   [tags: technologies, nature, matter, society]

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Chemistry and the Structure of DNA

- ... The backbone of the nucleic acids consists of the interaction between phosphate groups and the hydroxide groups of nucleic acids. These are held together by covalent bonds called phosphodiester bonds. The helix itself is held together by hydrogen bonds. Although hydrogen bonds are weak individually, there are so many of them within DNA that the strands are held tightly together. Without basic chemistry the structure of DNA would be a mystery. The instructions to make a protein are coded by DNA....   [tags: function, protein, products]

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Taking a Look at the History of Chemistry

- What is chemistry. Chemistry is the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change, and the use of these processes to form new substances. Chemistry crosses over into the medical filled in several different ways. Why is chemistry related to medicine. Chemistry is related to medicine because to understand medicine you have to understand how it works and how the different chemicals react when there combined....   [tags: branches of science, the study of matter]

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College Application Essay on Chemistry

- I have always been inspired by the workings of chemistry and mathematics. My studies of these subjects have developed my understanding and have made me pursue my interest in these two topics. I want to take up chemistry as it involves a large amount of mathematics which I value and understand to be challenging, yet very enjoyable, as there is always an alternative route to obtain the answer. Additionally, I am drawn to the course because it is a mixture of all these exacting subjects, forming a degree that is very demanding and stimulating....   [tags: Math, Challenge]

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The Impact of Chemistry on Medicine

- ... He was born in 1822 and lived until 1895. He was able to create these vaccines through a process called pasteurization. Another thing that chemistry has done for medicine is discovering things such as DNA and RNA. Without the discovery of these things we would not have known about things such as DNA mutations or genetics in general. The chemist who discovered the DNA structure is a woman by the name of Rosalind Franklin. As you can see chemistry has given modern day medicine everything it is based on....   [tags: a chemist discovered DNA, Rosalind Franklin]

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The Key Minds That Made Chemistry

- ... This was the man who invented the technique of chemical formula notation. Which played a huge part in our classroom lately. Jons was very successful electrochemist, who was rivaled by Humphry Davy, yet it doesn’t seem like much of a rivalry since Jons was much more systematic about accomplishing his experiments. Another huge discovery he mad was the law of constant proportions, which states “the elements in inorganic substances are bound together in definite proportions by weight.” What makes this discovery interesting is that he came about this while doing experiments in an effort to put together a textbook for his students....   [tags: law, formula, periodic, table, prizes]

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Contributions of Famous Scientists to Chemistry

- ... He first studied medicine but was later sent to athens and became a philosophiest under a man named plato. Alchemy is what became the new intrest of chemist during the era known as the dark ages. In short alchemy is transmuting the base of metals into the noble ones. This idea of transmuting is said to have arose from the the Alexandrian Greeks in the early centuries of the Christian era; thence it passed to the arabs, by whom it was transmitted to western Europe. No one truly knows where alchemy really originated from....   [tags: John Dalton, Albert Einstein]

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The Chemistry of the Human Digestive System

- Over the course of time there have been many pondering questions and theories about everyday life. Using Chemistry, the study of matter, those questions have been able to be answered. From the mixture of gases in the air we breathe to the organic substance of plastic, chemistry can be seen everywhere. However, most people misunderstand the power of chemistry in our own bodies. How is it that a simple loaf of bread, once consumed, can turn into fuel for the human body. Using the digestive system and its many organs through the process of digestion and metabolism is how our bodies receive the energy it needs to continue....   [tags: Biology, Esophagus, Stomach]

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Alchemy: The Key to Modern Chemistry

- ... Here on earth we have a very abundant supply as well, the earth is made up of about 34.6% of the stuff (this does not include the atmosphere, just the mass of the earth itself). (Onlinemetals) Moving on to another culture that has changed the world in great ways through its study and application of alchemy: The Chinese. The people in China have produced some of the greatest modern marvels that we know today. The one that was in greatest association with alchemy was their invention of gunpowder....   [tags: accuate, science, reactions]

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Chemistry Of Love : Scanning The Brain

- ... Fisher’s hypothesis was that romantic love was connected to an increased amount of dopamine in the brain. Dopamine is a chemical in the brain where a large amount of it can produce a great level of attention towards someone (Fisher, Page 52). I believe the connection between looking at a picture of someone being related to an increased level of dopamine in your brain to be very interesting. The idea to compare the reactions between viewing a picture, reading a love letter and thinking about good memories was a very good attempt in gauging if using a picture of the loved one was the right way to eventually conduct the brain scanning experiment....   [tags: Love, Romance, Romance, Brain]

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The Chemistry Of Crime And Crime

- Crime and Everyday Life chapter two, The Chemistry for Crime outlines the various components of a crime. Noting that offenders are just one small element to any crime. In all honesty offenders are a variable waiting for time that all the elements are in place. Violent, predatory crimes only occur while an absence of guardians around a target. Clarke named the check list for a target or hot product as, concealable, removable, available, valuable, enjoyable, and disposable. Equally, fights develop in the absence of peacemakers and a present crowd....   [tags: Sociology, Crime, Middle class, Social groups]

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Chemistry And The World Of Medicine

- ... Even though neomycin fights bacteria, the antibiotic has serious side effects. The possible side effects of neomycin, are a decrease in how much or how often you urinate, fever, chills, cough, sore throat, and body aches(PubMed 2015). Other Possible side effects are; Fainting, or loss of consciousness, hearing loss, numbness, tingling, muscle twitching, or seizure (PubMed 2015). Vaccines contain another common ingredient, aluminum. Aluminum salts are an adjuvant, which according to the CDC enhance the immune response of individuals being vaccinated (CDC 2015)....   [tags: Immune system, Vaccination, Vaccine, Bacteria]

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A Lab Report On A Chemistry Lab

- ... Bob was not let in until I questioned why he was still outside. Barely anyone in my group felt bad until Bob walked in and gave us the silent treatment for a very long time. This situation had many mini acts of evil in my perspective. There was nothing that I would consider complete and absolute evil, but there were signs of sadism, authority-oriented behavior and possibly a foot-in-the-door experience. A combination of all three could lead to a miserable experience towards the victim. In terms of sadism, it seemed as though my friends had “absolute or unrestricted control over a living being” (Fromm, 288), and unfortunately, this living being happened to be Bob....   [tags: English-language films, American films, BDSM]

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How Water Is Related To Chemistry

- How Water Is Related To Chemistry Water is a polar solvent, its molecule is covalently bonded that makes up for an unequal sharing of the electrons resulting in partially positive and partially negative water molecule. Organic molecules like Ethane and many other molecules are non-polar, that is they neither have a positive nor a negative end. As a result, he individual molecules within the water are greatly interconnected because of the presence of weak hydrogen bonds. Water acts as a universal solvent....   [tags: Molecule, Solvent, Hydrogen]

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History of Chemistry and Technology

- ... Sulfuric acid is a strong acid. More negative metals than hydrogen dissolve in it, forming a salt and water. A dilute solution will not dissolve copper. A more concentrated solution, however, will dissolve copper, oxidizing it at the same time. The next thing is phosphorus is the most important element found in the fifth main group of the period table. It has five electrons in its outermost shell. It is also found in the bodies of both animal and human hosts, in the compound calcium phosphate....   [tags: sulphur, phosphorus, nitrogen]

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Chemistry and Effects of Acid Rain

- CHEMISTRY AND EFFECTS OF ACID RAIN Living in a clear atmosphere has become a very important issue ever since the start of Industrial Revolution in the 18th century. Transmition from hand manufacturing to machines and the use of coal as a fuel was no doubt more efficient but had serious consequences. The biggest negative consequence is the release of greenhouse gases and its effects on the atmosphere. Perhaps the most recognised problem that revolves around this issue is global warming....   [tags: industrial revolution, greenhouse gases]

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The Father of Modern-Day Chemistry

- Antoine Laurent Lavoisier is considered to be the father of modern-day chemistry (Balchin 36). He had an unbelievable impact on the way the world views chemistry today. From identifying elements to discovering the importance of the role of combustion, he played an essential part in the world’s scientific ideas and inventions. He was so influential that he is said to have an equal if not greater impact in chemistry as Newton did in physics (Tiner 90). He used the initial ideas of Joseph Priestley, Henry Cavendish, and Karl Scheele, and worked to prove them and make them more official (Tiner 90)....   [tags: Biography, Lavoisier]

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Hair Chemistry and Hair Growth

- When approaching the topic of hair chemistry, one may think about the question, where does hair come from. Saclike holes called follicles are located all over the human body. At the bottom of these follicles are a cluster of papilla responsible for the growth of hair. As the papilla, otherwise known as hair bulbs reproduce to make new hair cells, the old ones are pushed up towards the surface of the skin causing the hair to grow longer. This may seem like a simple concept to grasp.
However, the process of hair growth is a little more in depth....   [tags: phases, pH, type of shampoo that is best]

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Air Quality And Atmospheric Chemistry

- ... We have two different types of air quality. First, we have the “good air quality” which is where our air is clean and unpolluted. Clean air is important to humans, animals, vegetation, water, and soil. The other type of air quality is “poor air quality,” which refers to a high concentration of air pollutants existing in our atmosphere. These air pollutants can affect living organisms and our environment (B.C. Air Quality). We often refer poor air quality as air pollution. Air pollution is often referred to being gaseous contaminants....   [tags: Air pollution, Smog, Acid rain, Oxygen]

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Chemistry and Technology in Biodiesel

- ... The diesel engine was originally intended to run on bio-fuel such as vegetable oil, rather than the petroleum-based diesel fuels mainly used today. Therefore society did not know what it was like to run petroleum-based diesel fuel before biodiesel was invented. Biodiesel gives a cleaner diesel fuel to run in vehicles. It does not give off the bad pollutions like a petroleum-based diesel fuel when burned. Therefore it is affecting society in a positive way, by not polluting the air. The resources to make biodiesel are organic, it is a renewable resource so, practically the resources will never run out to make the fuel so resources do not affect the fuel from being made....   [tags: cleaner fuels for internal combustion engines]

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The Chemistry Behind Air Quality

- ... Above the troposphere, we have the stratosphere. The stratosphere is the layer where ozone can be found. Above the ozone layer, is the outer atmosphere and then finally we reach outer space where the stars and other plants reside (B.C. Air Quality). Since air is such a huge part of our lives, we should be aware of what kind of state our air is in, also known as air quality. We have two different types of air quality. First, we have the good air quality which is where our air is clean and unpolluted....   [tags: Air pollution, Oxygen, Ozone, Smog]

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Modern Chemistry and Diseases

- Chemistry is the branch of science that deals with the identification of the substances of which matter is composed;the investigation of their properties and the ways in which they interact,combine,and change;and the use of these processes to form new substances. Chemists believe that chemistry is the study of matter and the study of change. Chemistry is in our everyday life,it has to deal with the food we eat,the air we breathe,and almost everything we see or touch. The reason chemistry is so important is because it's the foundation to life, like humans and other living organisms....   [tags: history, Marie Curie, organisms]

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Click Chemistry Reaction Types

- Click chemistry was created by taking cues from how nature naturally reacts. 1 The goal of Sharpless and colleagues was to create a number of selective blocks that could be connected in many different ways with the ability to work in many various applications. 1 For a reaction to be defined as click chemistry: “the reaction must be modular, wide in scope, give very high yields, and generate only inoffensive by products that can be easily removed” and it must have undemanding reaction conditions....   [tags: nucleophilic opening of rings, cycloaddition]

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Naming Alcohols in Chemistry

- ... The positions of the substituent alkyl (or other) groups are denoted by using the lowest possible numbers for the associated carbon atoms in the main chain (docbrown).” If there is more than one type of substituent e.g. using the prefixes: methy and ethyl, they are written out in alphabetical order (di, tri are ignored while using this rule). Alcohols are classified according to the atoms/groups attached to the carbon of the hydroxy group. “Primary alcohols (prim) have the structure R-CH2-OH, R = H, alkyl, aryl etc....   [tags: hydroxyl functional group]

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For the Love of Chemistry

- My Love of Chemistry I am applying to the university to study chemistry because this is the subject that I enjoy most. As with science in general, I find it interesting, often fascinating, and I feel that I could gain much from studying it at university. Last year I spent a fortnight on work experience, and enjoyed both of my two placements. At Birmingham University School of Chemistry, I was able to use some techniques that were new to me at the time - such as GCMS, HPLC, and I.R. spectroscopy....   [tags: College Admissions Essays]

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Important Discoveries in Chemistry

- Atomic Theory An important discovery in Chemistry is the Atomic Theory, John Dalton linked invisible atoms. Dalton’s atomic theory was based on the belief that atoms could be dignified by the differences in their masses. He first stated his theory in 1803 at the Royal Institution, the theory had six basic ideas : all matter is composed of atoms, atoms cannot be made or destroyed, all atoms of the same element are identical, and different elements have different types of atoms. Atomic Theory didn’t start with though John Dalton in fact it started with Democritus dating all the way back to about 460 B.C.....   [tags: atomic theory, radiation, Dalton, tracers, atoms]

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Chemistry Lab: Molecular Formulas

- In 2 week long Chemistry lab I was given unknown liquid numbered 29 which I had to find through the experiments that I learned from the beginning of the semester. After conducting experiments I acquired empirical formula, molecular weight, molecular formula, density and boiling point temperature in order for me to find what the substance is. Using molecular formula I plan on looking into few websites that my professor provided us such as: ChemBlink, ChemSpider and PubChem to help me find what substances I should be looking into....   [tags: ChemBlink, ChemSpider and PubChem]

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The History of Chemistry

- The History of Chemistry Chemistry is the science of the composition and structure of materials and of the changes that materials undergo. It is also used in improving standards of living, making it possible for such substances as rubber, nylon, and plastics to be made from completely different materials. New materials and new properties of old materials are always being discovered. Some earlier products discovered from chemical reactions are ceramics, glass, and metals. Dyes and medicines were other early products obtained from natural substances....   [tags: Papers]

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The Chemistry of Knowledge

- The Chemistry of Knowledge Hippeas thought he had all the answers. “I have never found any man who was my superior in anything,” he boasted. Then he meets Socrates. Though he had made thousands of public speeches about virtue, a dialogue with the wisest of Athenians leads Hippeas to confess that he “cannot even say what [virtue] is” (Hippeas 70). Lesser Hippeas discredits Hippeas but offers little more than a negative definition of knowledge. Meno, Phaedo, and the Republic provide a more comprehensive discussion of the definition, the good and the teaching of knowledge....   [tags: Philosophy Knowledge Knowing Plato Essays]

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The Chemistry of Drugs

- The Chemistry of Drugs Delta 9 Tetrahydrocannabinol is the primary psychoactive constituent of Cannibis sativa, and is bound to two cannabinoid receptors: CB1 receptors, located primarily in the brain, and CB2 receptors, located primarily in the periphery (Wiley & Martin 2002). A cannabinoid is defined as a substance that has pharmacological properties that resemble those of delta 9 THC i.e. " a drug that binds to CB1 and /or CB2 receptors in vitro and produces a profile of in vivo effects in the tetrad model" (Wiley 2002)....   [tags: Addictions Marijuana Health Science Essays]

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What´s Supramolecular Chemistry

- ... 1.3 Molecular Recognition: “Molecular recognition is selective binding with a purpose” Molecular recognition is a very specific interaction between the molecules, which is believed to happen, only between the molecules that are complementary with each other. The factors that contribute to the complementarity between molecules are, Shape of the two molecular surfaces, Hydrogen bonding between molecules, Ion-ion and Ion-dipole interactions and dispersion forces. 1.4 Anion Recognition Anions carry a net negative charge and are Ubiquitous in nature as binding motifs....   [tags: cells, viruses, atoms]

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Statment of Purpose for a Masters in Organic Chemistry

- ... I hope to find opportunities that will enhance my abilities and help to tap my full potential. I am aspiring after discover my own mind at University of Regina and applying to the pursuit in contemporary research challenges throughout my career. Furthermore, one of the noticeable challenges of humanity to satisfy our ever-growing demand for secure, clean energy. As the earth’s population is projected to reach nearly 10 billion by 2050, global energy consumption is expected to increase commensurately, with at minimum two-fold increase by 2050.To support this demand, petroleum has become one of the most important and most used fossil fuels....   [tags: graduate, environment, research]

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The World Before and After the Discovery of Chemistry

- ... Mendeleev is definitely the main factor in that statement. Many inventions are riding on the discovery of chemistry and the major leading factors are the inventions of electricity, the light bulb, modern day medicines, and etc. But also in a way they definitely did help advance the discovery. “Schectman, of the Technion-Israel Institute of Technology, glimpsed his first example of quasicrystals' "forbidden symmetry" in April 1982, when he was studying a metallic crystal made of aluminum and manganese under a microscope....   [tags: history, impact, lives, everyday]

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The History of Chemistry and Its Influene on Technology

- ... also people can travel in the world with automobiles and planes. One thing that had an impact to that was the law of conservation of mass that was discovered by Antoine Lavoisier. he found that the law of conservation of mass states that for any systems closed to all transfers of matter and energy. also there is a law that implies that mass can neither be created nor destroyed. the time in technology was very different before it was discovered. and it will change as time go on in life. The second thing is that natural resources has advanced technology....   [tags: how life would be without it]

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Protein Crystallography in the Pharmaceutical Chemistry Field

- Protein crystallography has become a mainstream analytical method in assisting the pharmaceutical chemistry field. Specific work on proteases which are instrumental in lead compound discovery have blossomed over the passed two decades as the need for Co-crystallization of target proteins with small molecules is seeing a drastic increase now that their uses in drug design have become fully apparent. Work on phosphorous cleaving and donating enzymes (Kinases and phosphatases) has also become an area of current interest as potential cancer therapy by affecting the energy yield in a cancer cell through interruption of ATP generation....   [tags: crystallization, advancements, drug-design]

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What´s Food Chemistry?

- Food chemistry is the study used to analyze the chemical and biological components in foods for consumer consumption.1 The food substance(s) studied fall into varying categories such as meat, vegetables, liquids, and genetically modified foods(GMO’s). The fabrication of this study relies on the biological components incorporated into the food including vitamins, water content, minerals, enzymes, flavors, colors, fats, and so on. An important methodology to analyzing these biological components is the analytical spectroscopy.2 Spectroscopy is the study of molecular energy and radiation with respect to matter....   [tags: spectroscopy, unwanted molecules]

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Graduation Speech : An Introductory Chemistry Course

- When I arrived at Yale during the fall of 2009 for my freshman year, I started my undergraduate career wanting to practice medicine. Also, I wanted to receive a well-rounded education in an array of subjects. To this day, the education I received at Yale inspires me to delve deeper into pressing issues within our society and utilize the information that comes from a diverse knowledge capital to create strategies and make informed decisions. The first course I registered for at Yale was an introductory chemistry course called Quantitative Foundations of General Chemistry with professor Mark Johnson....   [tags: High school, Educational years, Academic term]

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Chemistry: Percent Composition Lab Introduction

- Percent Composition Lab Introduction The percentage of something is very important in everyday life. For example, a farmer would want to know the percentage of nutrients in a fertilizer they are using. In spring, the farmer may want to use a fertilizer that has a high percentage of nitrogen, because it "greens” plants. In the fall, the farmer may want to use a fertilizer that has a higher percentage of potassium, because it strengthens the root systems of plants. A way to find the percentage of nutrients is by using percent composition....   [tags: fertilizer, potassium, molar mass]

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What's Organic Chemistry

- ... Photo-initiators include compounds that break down into free radicals when exposed to ultra violet radiation. There are two ways for the compounds (benzoin) to break down during photo polymerization. The first way is for the chemical compounds to undergo an uni-molecular bond cleavage while experiencing irradiation to yield free radicals. The second method for the benzoin to break down is to experience a bi-molecular reaction. In that reaction, the excited state of the photo-initiator (benzoin) interacts with a second molecule to generate the free radials....   [tags: carbon compounds, benzoin]

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Biology Cannot Be Reduced to Chemistry and Physics

- Since the introduction of reductionism, science has greatly changed. Reductionism has captured the attention of many scientists, as well as philosophers of science for the reason that it seeks to accomplish such a large goal. However, we are posed with the question of whether or not reductionism is capable of sufficing enough information for all scientific inquiry. I will argue that biology is not capable of effectively being reduced to physics and or chemistry mainly because it cannot provide the sufficient quantities of information needed, mainly due to issues caused by incommensurability due to varying scientific meanings (which will be discussed with reference to Kuhn and Feyerabend) as...   [tags: scientific terminology, reductionism]

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