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Chemistry essay papers

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Introduction Much has been reported about human fatalities caused by both diseases and harmful substances. But choosing which is better between two negative options is a tough decision to make. This is the predicament of Genericville City Council currently tasked to choose between natural control and avoidance of deadly West Nile Virus (WNV) carrier mosquitoes as against the use of harmful pest...
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There are many important issues in the world regarding the environment and it's affects on the average person. Though, the one that hits closest to home, worldwide, is the trust that individuals have in the food that they consume. Yet pesticides are still found daily in foods all around the world. Pesticides are toxins that are used by produce growers universally to control pests ...
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Chemistry essays / Pesticides
Should we be concerned with the extensive use of pesticides by farmers? I believe we should be aware of the consequences of pesticide use. The more we are exposed to pesticides, the greater the risk there is to the environment and our health. They are responsible for many environmental problems such as water pollution, soil degradation, and insect resistance. I will look at all the envi...
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Chemistry essays / Adipic Acid
SWOSU ICER98 submitted 2/23/98 Bart Barnett, Bill McKinley, Darren Toczko, Kevin Worley Adipic acid is one of the most used chemicals in the world today, conversly, it contributes significantly to the production of nitrous oxides (NOx), a greenhouse gas. Many methods are available to produce adipic acid, with various results and potential for pollution. The following paper discusses th...
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Chemistry essays / Gold And Its Uses.
Gold's great virtues of malleability, ductility, reflectivity, resistance to corrosion and unparalleled ability as a thermal and electrical conductor mean it is used in a wide variety of industrial applications consuming close to 300 tonnes annually. Gold (Au, from Latin "Aurum" (World Book Dictionary) is the most non-reactive of all metals -- it is benign in all natural and industrial environm...
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Chemistry essays / Glucose
Extracting energy from glucose Two different pathways are involved in the metabolism of glucose: one anaerobic and one aerobic. The anaerobic process occurs in the cytoplasm and is only moderately efficient. The aerobic cycle takes place in the mitochondria and is results in the greatest release of energy. As the name implies, though, it requires oxygen. Anaerobic metabolism Glucose ...
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Chemistry essays / Carbohydrates
Carbohydrates Introduction: Carbohydrates are molecules that contain Carbon, Hydrogen, and Oxygen. The most basic sugar- carbohydrate is the monosaccharide. Carbohydrate molecules are categorized by the number of carbons present in the molecule. Glucose, the most common monosaccharide has six carbons per molecule, which is called a hexose. Carbohydrates also have a 2:1 hydrogen to oxygen ratio...
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Chemistry essays / The Silent Destroyer
11/22/00 The Silent Destroyer America the Beautiful! So why are we destroying it everyday with the use of pesticides? It has been proven that pesticides have affects on it’s surrounding, although made to improve earths resources, they typically take there negative effect on the environment in time. Pesticides affect more than the environment; they also affect the animals and huma...
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Development of the Modern Atomic Theory The modern atomic theory we have today came from contributions of many different scientists. Democritus, Dalton, Thompson, Millikan and Rutherford all had their specific contributions to the development of the Atomic theory we have come to know today. Democritus, for example, developed and named the building blocks of matter atomos, meaning literally ...
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Chemistry essays / Chargaff, Erwin
Erwin Chargaff Erwin Chargaff, born 1905 in Czernowiz, Austria, was a pioneer in biochemistry contributing to the understanding of DNA. He, in 1928, earned his doctoral degree in chemistry at the University of Vienna's Spath's Institute in 1928. Erwin began his career in biochemistry at Yale University, working under Rudolph J. Anderson from 1928 to 1930. His early work included ...
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Chemistry essays / Open Book Paper
Chemistry Open Book Paper Atomic spectroscopy is a chemical analysis technique and it is used to identify what elements are in a compound. It uses the idea of a photon being absorbed or emitted whenever an electron changes from one energy level to another. The diagram below shows sodium salt being sprinkled onto a flame and yellow light being emitted. Emission spectra are produced by...
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Chemistry essays / Alchemy In The Middle Ages
The Dark Ages was a period of stupidity and ignorance. People destroyed what they feared, and people feared the unknown. People spent their waking days just trying to stay alive-- from wandering vagrants, disease, age, and the elements: fire, water, earth, air. These were the basic elements that everything was composed of. The modern belief is that alchemy was the precursor to today's ph...
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The Greek concept of atomos: the atom Around 440 BC leucippus of Miletus originated the atom concept. He and his pupil, Democritus of abdera refined it for future use. Their atomic idea has five major points. All original writings of leucippus and Democritus are lost. The only sources we have for there atomistic ideas are inquotations from other writers. Democritus was known as the "la...
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Chemistry essays / Chemistry Hits The Beach
In our society it's a given that suntans look attractive, and it's also understoud that they can be harmful, and downright unhealthy. So what does this mean? This means that there is a multi-million dollar a year industry that researches and manufactures UV absorbing and blocking lotions that are designed to prevent skin damage from tanning and burning. It is a prime example of the use of chemis...
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Chemistry essays / Fission And Fusion
Fission and Fusion What is fission and fusion? Many people may know that both are a source of energy, but not too much more than that. What are the advantages and disadvantages of both? How can fission and fusion be used and will both eventually have a use in the future? Throughout this essay you shall find the answers to these questions. According to our Chemistry textbook fission can be defi...
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Photography is a very complex form of art, which uses standard chemicals and scientific equations. It is a chemical reaction, which occurs when light hits a film or paper emulsion. An emulsion is part of the film or paper, which is very sensitive to light. This is also the part where the chemical reaction takes place. In an emulsion, are small crystals of silver halide, silver bromide, ...
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Chemistry essays / Isomers
3.2 Lots of carbon compounds seem to be isomers. What is an isomer? In organic chemistry, there are many examples of different compounds which have the same molecular formula as each other, but different arrangements of the atoms in their molecules, (different structural formulae). These compounds are said to be isomers of one another. Isomerism also occurs in inorganic chemistry, but it is les...
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Chemistry essays / Table Of Elements
A necessary prerequisite to the construction of the periodic table was the discovery of the individual elements. Although elements such as gold, silver, tin, copper, lead and mercury have been known since antiquity, the first scientific discovery of an element occurred in 1649 when Hennig Brand discovered phosphorous. During the next 200 years, a vast body of knowledge concerning the properties ...
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Chemistry essays / Louis Pasteur
Louis Pasteur was an example of a truly gifted person who made many wildly diverse discoveries in many different areas of science. He was a world-renowned French chemist and biologist whose work paved the way for branches of science and medicine such as stereochemistry, microbiology, virology, immunology, and molecular biology. He also proved the germ theory of disease, invented the process of...
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Chemistry essays / Pasteur
PASTEUR, Louis (1822-95). The French chemist Louis Pasteur devoted his life to solving practical problems of industry, agriculture, and medicine. His discoveries have saved countless lives and created new wealth for the world. Among his discoveries are the pasteurization process and ways of preventing silkworm diseases, anthrax, chicken cholera, and rabies. *BR* Pasteur sought no profi...
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Chemistry essays / Louis Pasteur 3
PASTEUR, Louis (1822-95). The French chemist Louis Pasteur devoted his life to solving practical problems of industry, agriculture, and medicine. His discoveries have saved countless lives and created new wealth for the world. Among his discoveries are the pasteurization process and ways of preventing silkworm diseases, anthrax, chicken cholera, and rabies. Pasteur sought no profits from his d...
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Chemistry essays / Gilbert Newton Lewis
GILBERT NEWTON LEWIS Gilbert Newton Lewis was much more than anordinary, average chemist. In his time era he wasthought to be one of the most important and influentialchemists in America. Most of the big shot, famous,brilliant chemists originated from Europe. Othersfinally followed this great man, and brought a wave ofchemistry research and development into Twentiethcentury America. Octo...
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Chemistry essays / John Dalton
Dalton, John (1766-1844), British chemist and physicist, who developed the atomic theory upon which modern physical science is founded. Dalton was born on September 6, 1766, in Eaglesfield, Cumberland County, England. He was the son of a weaver and received his early education from his father and at a Quaker school in his native town, where he began teaching at the age of 12. In 1781 he...
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Chemistry essays / Marie Curie
Marie Sklodowska, as she was called before marriage, was born in Warsaw in 1867. Both her parents were teachers who believed deeply in the importance of education. Marie had her first lessons in physics and chemistry from her father. She had a brilliant aptitude for study and a great thirst for knowledge; however, advanced study was not possible for women in Poland. Marie dreame...
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Chemistry essays / Chemistry
1. a) Bulk movement is the overall movement of a fluid. The molecules all move in the same direction. Diffusion however is the random movement of molecules which usually results in a fairly even distribution. In other words the movement is not guaranteed to move in one direction but the probability that it will move in the lower gradient is greater. Osmosis is similar to ...
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Chemistry essays / The Chemical Engineer
What exactly is a chemical engineer? Many would say that it is simply a "chemist who builds things" or an "engineer who makes chemicals. However, neither of these statements is completely true. The term "chemical engineer" is not meant to actually describe what it is a chemical engineer does, but to describe what sets it apart from the other branches of engineering: civil, mechanical, and...
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Chemistry essays / Polyetene
polyethene - sucks arse dosn't it!!! Year 11 Chemistry Unit 1 POLYETHENE-ain't it choice! word count : 1131 Polyethene also known as polyethylene or polythene, was the first of the polymers to be discovered. Polyethene is a polymer produced by reacting oxygen and ethene, in this reaction the small ethene molecules attach together to form long chain polymer molecules. This process is kn...
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Chemistry essays / Chemical Reactions
Chemical reactions Chemical reactions are the heart of chemistry. People havealways known that they exist. The Ancient Greeks were the firststo speculate on the composition of matter. They thought that itwas possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist namedGeorg Ernst Stahl was the first to postulate on chemicalreaction, ...
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Year 11 Chemistry Unit 1 POLYETHENE-ain't it choice! word count : 1131 Polyethene also known as polyethylene or polythene, was the first of the polymers to be discovered. Polyethene is a polymer produced by reacting oxygen and ethene, in this reaction the small ethene molecules attach together to form long chain polymer molecules. This process is known as addition polymerisation. Polye...
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The periodic table was developed by Dmitry Mendeleev in 1869. It classifies the elements according to their properties and increasing atomic weight. The atomic number, which identifies an element s position in the periodic table, is equal to the amount of protons in the nucleus. From spaces in his table, Mendeleev was able to predict the existence of elements not yet discovered. Dmitry Mendele...
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Chemistry essays / Chemical Reaction
Chemical Reactions Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named Georg Ernst Stahl was the first to postulate on chemical reaction, s...
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Chemistry essays / Chromotography
Chromatography A widely used separation tool Purpose: Given a sample of unknown ink, we were to use chromatography paper to determine the identity of the sample. And also, we were to separate two dyes of different color using a silica gel column, made in lab. Procedure: Lab manual Experimental Chemistry pg.47-50. There were no changes made to this lab. Experimental measurements and Data: See...
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Dmitri Ivanovich Mendeleev was born in Tobolsk, Siberia, on February 7, 1834. Dmitri died January 20,1907 at age 73. He was a blonde haired, blue-eyed boy, and the youngest of 14 children. His mother Maria Korniliev s family settled in Tobolsk in the early 1700 s and introduced paper and glass making to Siberia. Ivan Dmitri s father died when he was a young boy, leaving his wife to support th...
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Cleaning with soap and soapless detergents. Detergent comes from the Latin word detergere meaning to clean, it is defined as a cleansing agent. Therefore, water itself is a detergent. This essay looks at soap and soapless (or synthetic) detergents. Both substances we use everyday and have a big market commercially, they effect everyone. Soaps are made from natural produ...
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Chemistry essays / Thomas Edison
THOMAS ALVA EDISON Thomas was born February 11, 1847 in Milan Ohio. He was the seventh and last child of Nancy and Samuel Edison. As a child he was very quiet, thoughtful and inquisitive. Because he was not a hardy child he did not attend school until he was 7. His teacher thought he was incapable of learning, so his mother who was a teacher took him out of school and started teaching him h...
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Chemistry essays / Dmitri Mendeleev
Dmitri Mendeleev Mendeleev, Dmitri (1834-1907): Russian chemist born at Tobolsk, Siberia. He studied science at St. Petersburg and graduated in 1856. In 1863 he was appointed to a professorship and in 1866 he succeeded to the Chair in the University. Mendeleev is best known for his work on the periodic table; arranging the 63 known elements into a Periodic Table based on Atomic Mass, which he p...
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Chemistry essays / Aristotle
The History of Soap Most people washed themselves with only one essential thing at the time, water. This, of course, happened until the development of soap in 2800 B.C. The soap was found in clay cylinders during the excavation of ancient Babylon. There were inscriptions discovered on the cylinders, which showed us that fats were boiled with ashes, which was the method of making the so...
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Chemistry essays / Linus Carl Pauling
Linus Carl Pauling Linus Carl Pauling was born Feb. 28, 1901 inPortland Oreg. He has made major contributions instructural chemistry and molecular biology. LinusPauling became interested in biological molecules, andhe preformed magnetic studies on oxygen-carryinghemoglobin molecules with C. D. Coryell. Linusdeveloped a structural theory of denatured andcoagulated protein molecules. ...
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Chemistry essays / Alchemy
Alchemy Alchemy was a major part of medieval times. Its practitioners' main goals were transmutation and transcendence. Alchemy used the elements of Nature in their experiments. Only later were our elements of today adopted. Alchemists also invented many new methods to use for getting pure forms of the elements. Alchemy is responsible for many of the techniques and methods in use today as well ...
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The variable that was used in our experiment was common sugar. The process of spearation is refining. The natural sugar stored in the cane stalk or beetroot is separated from the rest of the plant material. Sugar cane is refined by the following process: a) pressing the cane to extract the juice; b) boiling the juice until it begins to thicken and sugar begins to crystallize; c) spinnin...
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Chemistry essays / Marie Curie
Marie CurieMarie Curie(1867-1934) was a French physicist with many accomplishments in both physics and chemistry. Marie and her husband Pierre, who was also a French physicist, are both famous for their work in radioactivity. Marie Curie, originally named Marja Sklodowska, was born in Warsaw, Poland on Nov.7, 1867. Her first learning of physics came from her father who taught it in high s...
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Chemistry essays / History Of Chemistry
History of Chemistry Introduction: Humans have always been very curios creatures. The have always wondered about what they are and why they are here. Our limited knowledge of the environment has always urged for new things to be discovered. The desire to understand the world better has made people search for rational answers, for principles and laws. For centuries people have tried to...
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Chemistry essays / Alchemy
Alchemy Alchemy is an ancient art, practiced in the Middle ages,used to discover a substance that would transmute common or base metals into gold or silver ,and to find a way of prolonging human life.The main objective of alchemy was to discover a substance called the philosopher's stone.This stone was thought to transform common metals such as lead into silver or gold.Another objective of alc...
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Chemistry essays / Asimov On Chemistry
Asimov on ChemistryThe Book Asimov on Chemistry by Isaac Asimov is a collection ofseventeen essays that he wrote for The Magazine of Fantasy and ScienceFiction. This book is one of ten that were published by Doubleday & Company,Inc. Not all of the books centered on chemistry and like science. Most justcovered anything Isaac Asimov wondered about. These Essays date back quiteaways with a...
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Chemistry essays / Analytical Chemistry
Nanothinc - providing information services concerning nanotechnology and related enabling technologies, which include supramolecular chemistry, protein engineering, molecular design and modelling software Oxford Molecular Group PLC - A leading developer and marketer of computer-aided chemistry and bioinformatics software. Mac Education Software: Chemistry Math Latin Greek French Spani...
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Chemistry essays / Alchemy
Science AlchemyAlchemy, ancient art practiced especially in the Middle Ages, devoted chieflyto discovering a substance that would transmute the more common metals intogold or silver and to finding a means of indefinitely prolonging human life. Although its purposes and techniques were dubious and often illusory, alchemywas in many ways the predecessor of modern science, especially the scien...
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Chemistry essays / Bio Notebook
PHOTOSYNTHESIS General Info Defn: "To make with light" Reactants (Ingredients) CO2, H2O, Sunlight, chlorophyll Products Food (C6H12O6 = glucose) and O2 Overall Reaction Photosynthesis is actually a series of two reactions. Light reactions (require sunlight) chlorophyll uses sunlight to split water and form oxygen and chemical energy. Dark reactions (don t require light) use chemical ene...
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Robert Boyle was born on January 25, 1627. He was born in Lismore Castle County Cork, Ireland. (Encyclopedia p. 469) His father was the Earl of Cork. His mother died when he was very young. (Sootin pp. 3-6) Robert was the seventh son of fourteen children and was his father's favorite. He was very different from his brothers. Instead of playing like most of the children, Robert preferred s...
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Time as a Determinate of Final Product in a Dehydration Reaction Robert Simack, Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, Alaska. Abstract: This study involved acid dehydration of 2-methylcyclohexanol. The results varied depending on the time elapsed after initial reaction. I attempted to prove the Evelyn Effect, which stated that over a peri...
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Chemistry essays / Cloning
Cloning became to be, as a Finn Dorset ewe would provide the mammary cell for the cloning process. Secondly the mammary cell containing all copies of every gene that is needed to make the sheep. Although the only genes for proteins that are required by mammary cells are active. Thirdly the cells grow and then they are divided, by making carbon copies of themselves. But if the cells are ...
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Total Synthesis of CP Compounds Man's fascination with the many uses that can be found with the exploitation of natural substances has been demonstrated time and again throughout history, but the stage was set at the turn of the century for organic chemists to begin to focus on utilizing natural compounds for the benefit of medicinal and industrial uses. The discoveries of penicillin, a...
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Chemistry essays / Robert Burns Woodward
Biography of Robert Burns Woodward Robert Burns Woodward was born in Boston on April 10th, 1917, the only child of Margaret and Arthur Woodward, of English antecedents. Robert's father Arthur died in October of 1918, at an early age of only thirty-three years old. Robert Woodward was attracted to chemistry at a very early age, and indulged his taste for the science in private activi...
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Chemistry essays / Ira Remsen
The life of Ira Remsen Ira Remsen was born on February 10, 1846 in New York city. Even though he was born in the United States, he was educated in Germany. He received his M.D. at Columbia University in 1867 and he also earned a Ph.D. at the University of Munich and G ttingen in Germany. After receiving his degrees, Remsen began his investigation in pure chemistry at the University of T bi...
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Chemistry essays / Alchemy
Alchemy, ancient art practiced especially in the Middle Ages, devoted chiefly to discovering a substance that would transmute the more common metals into gold or silver and to finding a means of indefinitely prolonging human life. Although its purposes and techniques were dubious and often illusory, alchemy was in many ways the predecessor of modern science, especially the scie...
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Chemistry essays / Ira Remsen
The life of Ira Remsen Ira Remsen was born on February 10, 1846 in New York city. Even though he was born in the United States, he was educated in Germany. He received his M.D. at Columbia University in 1867 and he also earned a Ph.D. at the University of Munich and Göttingen in Germany. After receiving his degrees, Remsen began his investigation in pure chemistry at the University o...
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Chemistry essays / Alchemy
Alchemy There are many ways to examine the subject of alchemy, including alchemy as a source of symbolism, psychology, and mysticism. It has also been an influence on the world view of various writers, artist, and musicians. The focus of this report is alchemy as a pre-chemistry, which gave a new impulse towards the preparation of medicinal remedies and also was a major influence on to...
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Chemistry essays / Hydrogen
Hydrogen Hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up about about 90% of the universe by weight. Hydrogen as water (H2O) is absolutely essential to life and it is present in all organic compounds. Hydrogen gas was used in lighter-than-air balloons for transport but is far too dangerous because of the fire risk (Hindenburg). commercial fi...
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Chemistry essays / Sir Humphrey Davy
Sir Humphry Davy In Chemistry there are many very important chemists. One is Sir Humphry Davy. Davy was born on December 17, 1778 in Penzance, Cornwall, England. He went to school in Penzance and in Truro. In 1794 his father died, to help his family financially he got a job as an apprentice to a surgeon. The surgeon's name was J. Binghan Borlarse. In 1797 Davy became interested in Chem...
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There is at least one time in everyone’s life in which they are able to reflect upon something in their past which oftentimes can prove to be helpful in the present of the future. In this case, I was asked to reflect upon a time where the banking concept of education had been used in my life. The case which I will be evaluating here is one of a class entitled “Chemistry 4: Int...
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Chemistry essays / Antoine Lavoisier
Antoine Lavoisier (1743-1794) Antoine-Laurent Lavoisier (lah vwah ZYAY) was one of the best-known French scientists and was an important government official. His theories of combustion, his development of a way to classify the elements and the first modern textbook of chemistry led to his being known as the father of modern chemistry. He contributed to much of the research in the fiel...
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Chemistry essays / Antoine Lavoisier
Antoine Lavoisier (1743-1794) Antoine-Laurent Lavoisier (lah vwah ZYAY) was one of the best-known French scientists and was an important government official. His theories of combustion, his development of a way to classify the elements and the first modern textbook of chemistry led to his being known as the father of modern chemistry. He contributed to much of the research in the field...
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Chemistry is not my favorite subject. I think it seems funny to have a minor in chemistry when I don't even like chemistry, but it was sort of a package deal when I decided my biological science major. It not that I despise or hate chemistry, it's just that I have a ingrained fear of it. Chemistry is the only class that I've failed. I've never failed any class up until I failed my inorgan...
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 The Banking Concept of Education There is at least one time in everyone’s life in which they are able to reflect upon something in their past which oftentimes can prove to be helpful in the present of the future. In this case, I was asked to reflect upon a time where the banking concept of education had been used in my life. The case which I will be evaluating here is...
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Chemistry essays / Alfred Nobel
Alfred Nobel Alfred Bernhard Noble was a Swedish chemist, inventor, and industrialist. His most famous and most important invention were Dynamite and Nitroglycerin Alfred was born on October 21, 1833. When he invented Dynamite, a large sum of money was his reward. Alfred left most of his reward in trust, as an investment to award those who, each year, bestowed Athe greatest benefit on ma...
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Chemistry essays / Chemistry
Robert Boyle is considered both the founder of modern chemistry and the greatest English scientist to live during the first thirty years of the existence of the Royal Society. He was not only a chemist and a physicist as we know him to be, but also an avid theologian, a philanthropist, an essayist, and a beginner in medicine. Born in Lismore, Ireland to Richard Boyle, first earl of Cork, ...
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Chemistry essays / Walther Hurmann Nernst
Walther Hurmann Nernst was born in Briesen, West Prussia, on June 25, 1864. His father, Gustav Nernst, was a district judge. He spent his early school years at Graudentz, and subsequently went to the Universities of Zurich, Berlin and Graz, studyin physics and mathermatics, before proceeding to Wurzburg, where he graduated in 1887 with a thesis on electromotive forces produced by magnet...
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Chemistry essays / Alchemy
Alchemy is not just the changing of base metals into gold as most people think, although that was one of the goals people tried to achieve through alchemy. Alchemy is stemmed from astrology; both make attempts to understand mans relationship to the universe and exploit it. While astrology is concerned with the stars alchemy is concerned with the elements of nature. Alchemy also stemmed pa...
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Chemistry essays / 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...
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Chemistry essays / Linus Carl Pauling
Linus Carl Pauling Linus Carl Pauling was born in 1901 and died in 1994. He was an American chemist and physicist, whose investigations into the structure of molecules led to discoveries of how chemicals bond. Pauling was born in Portland, Oregon, on February 28, 1901, and educated at Oregon State College and the California Institute of Technology (Caltech). He began to apply his insights...
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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 fir...
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Chemistry essays / Chemical Reactions
CHEMICAL REACTIONS Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named George Ernst Stahl was the first to speak of chemical reaction, specificall...
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Chemistry essays / 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 sci...
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Chemistry essays / Dimitri Mendeleev
Dimitri Mendeleev Derived by Dimitri Mendeleev, the periodic table may be one of the most informational tables contained in chemistry. By leaving gaps in the columns and rows, Mendeleev was allowing for the discovery of undiscovered elements of that time. From the properties of the elements surrounding these gaps, Mendeleev was able to predict the properties of these undiscovered eleme...
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Chemistry essays / Brave New World
Chemistry is an important key to achieving a world of “Community, Identity, and Stability” in Aldous Huxley’s novel, Brave New World. Huxley himself said that the main theme of his novel is "not the advancement of science as such; it is the advancement of science as it affects human individuals.” Huxley was obviously rather concerned with the use and misuse of science. As to get...
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Chemistry essays / Interview
The Interview For my interview, I interviewed Jennifer Wong, a scientist in the development of analytic chemistry. In her occupation she purifies and analyzes proteins, as well as characterizes the proteins. She works for Panox located at 10301 Stellink Houston, TX 77025. For this company Dr. Wong analyzes proteins in order for her company to market drugs that will later help patients ...
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Chemistry essays / Photosyntesis
PhotosyntesisWhen you and me eat, we find our food. When plants eat, they make their own food and energy. They make their food and energy through a process called photosynthesis. Through photosynthesis oxygen is also produced. Photosynthesis is "a process in which green plants synthesize carbohydrates from carbon dioxide and water....The reverse of this reaction provides energy for plan...
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Chemistry essays / Mendeleev/Periodic Table
Dimitri Mendeleev & The Periodic Table Derived by Dimitri Mendeleev, the periodic table may be one of the most informational tables contained in chemistry. By leaving gaps in the columns and rows, Mendeleev was allowing for the discovery of undiscovered elements of that time. From the properties of the elements surrounding these gaps, Mendeleev was able to predict the properties of these undisc...
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Chemistry essays / Chemistry Tree
For my report, I choose to design a ball and stick model for a carbon dioxide molecule. I used the C as the center and an O on each side of the C. For Christmas purposes I colored the C green and the two O’s red. To make the letters, I used white out. The sticks that connect the balls are actually cue tips that I have taken the cotton off of. I used glue to make it stick on better an...
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Chemistry essays / Supernova
The titanic explosion of a star is commonly known as a supernova. Supernova’s outbursts of energy are the largest explosions and events that occur in the universe. Essentially, they create the basic elements of life. Shock waves from the exploding star trigger the births of new stars and the formation of solar systems like our own. Stars live 10 million years burning hydrogen into h...
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Michael Shorrock The chemistry of Photography Summary: Joseph-Nicephore Niepce took he word’s first photographs in 1824. Many people don’t know that he was the person who invented photography; they think that a Frenchman named Daguerre was the inventor but he got the idea from Niepce. Jacqueline Belloni, a chemist at the University of Paris-South at Orsay, is doing research on ...
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Chemistry essays / Harold Clayton Urey
Jikesh Patel 11/3/00 Block F Harold c. Urey Harold Clayton Urey was a scientist whose discovery of deuterium helped him win the Nobel Peace Prize for Chemistry in 1934. He also made fundamental contributions to the production of the atomic bomb through his development of the isotope separation processes for the Manhattan Project. Harold Urey was born in Walkerton, Indiana, on April...
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The Preparation and Characterization of an X-Type Zeolite Abstract: The purpose of this experiment was to prepare an X-type zeolite, and identify it by IR. In this experiment, we will prepare the sodium form of an X-type zeolite. The general formula is:Mnx(AlO2)n(SiO2)192-n where n =77-96 and x= valence of M.By combining solutions of sodium silicate and sodium aluminate, and heating to 90...
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Chemistry essays / Antoine Laurent Lavoisier
Antoine Laurent LavoisierBy Michael OsgoodNovember 1, 1998First SemesterChemistry Antoine Laurent Lavoisier was a French chemist and is considered to be the father of modern chemistry. He was the first person to develop a new theory about combustion, which in turn eliminated the old phlogistic doctrine. His studies about oxidation and respiration showed that oxygen is a key element in a...
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Chemistry essays / A Vogadro
A Vogadro A vogadro was born on June 9, 1776 in Turin, Italy. He began his career in 1796 by obtaining a doctorate in law and practicing as a lawyer for three years after. In 1800, he began to take private lessons in mathematics and physics and decided to make the natural sciences his profession. He was appointed as a demonstrator at the Academy of Turin in1806 and the Professor of Natural P...
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Chemistry essays / A Vogadro
A vogadro was born on June 9, 1776 in Turin, Italy. He began his career in 1796 by obtaining a doctorate in law and practicing as a lawyer for three years after. In 1800, he began to take private lessons in mathematics and physics and decided to make the natural sciences his profession. He was appointed as a demonstrator at the Academy of Turin in1806 and the Professor of Natural Philosophy at t...
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Chemistry essays / Alfred Nobel
Alfred Nobel The inventor of dynamite was a very important roll to take part in. The ultimate inventor of it was a mane named Alfred Nobel. Before dynamite, miners had to use nitrogen to blow holes in rock and other things. However it is too volatile and can explode incredibly easily. Alfred changed all this. Alfred Nobel was born on October 21st 1833 in Stockholm. He studied their until...
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Chemistry essays / Chemistry Lab
Lab Report Introduction: The purpose of this lab was determining the molecular weight of an unknown solid organic compound by freezing point depression. In order to do so, one has to first, freeze cyclohxane, by putting it in ice cold water, and see what the constant temperature comes out as. Then, one has to freeze .4 grams of there unknown, and cyclohexane by doing the same process an...
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Organic compounds are the basis of life on earth. The purpose of this discussion is research the importance of these compounds that make up life on earth. A wide variety of classes of substances, such as drugs, vitamins, plastics, natural and synthetic fibers, as well as carbohydrates, proteins, and fats, consist of organic molecules. Organic chemists determine the structures of organic molecul...
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Chemistry essays / Fatboy Slim Bio
Fatboy Slim With Fatboy Slim albums, the clue is always in the title, and Norman Cook's third outing is no exception. Norman was staying at LA's Chateau Marmont hotel, when the title came to him. As the New Year dawned Norman ventured back into his home studio in Brighton, England to make the most emotional, innovative album of his career. Norman explains the progression by pointing out that "T...
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Chemistry essays / Suicide
"Why do people commit suicide? People usually attempt suicide to block unbearable emotional pain, which is caused by a wide variety of problems. (rockhford.org). More people die from suicide than from homicide in the United States. It is the ninth leading cause of death in the United States and the third leading cause of death among persons 15 to 24 years of age. Every day approximate...
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Chemistry essays / Acid Rain
Acid rain is formed when certain gases dissolve in rainwater to form acids. Acid rain by definition in the Chemistry book states: Rainwater that has become excessively acidic because of absorption of pollutant oxides, notably SO3, produced by human activities (1). There are airborne pollutants that cause acid precipitation for instance sulfur and nitrogen. By far the most common caus...
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Chemistry essays / Marie Curie
Marie Curie Marie Curie was born in Warsaw on November 7, 1867. She was actually born to the name Marja Sklodowska. When she was 24, she went to Paris where she changed her name to Marie and started school in Sorbonne. In 1893, she received her degree in physics. When she needed a lab to experiment in, a Professor Kovalski said that there might be space in the School of Physics and Che...
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The story of Frankenstein by Mary Shelley is about a man who created something that messes with nature, and nature came back to mess with him because nature is more powerful than man. Victor Frankenstein was very interested in natural philosophy and chemistry and basically tried to play G-d by creating life. When he found the secret of activating dead flesh, he created a superhuman ...
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Chemistry essays / Rosalind Elsie Franklin
Who is Rosalind Franklin? Born on July 25, 1920 in London, England, Rosalind Elise Franklin was a catalyst to many other scientists in the field of genetics. Using coal and carbon as subjects, Franklin discovered the double helix of DNA, the shape that two linear strands of DNA assume when bonded together. In 1945, Franklin received her Ph. D in physical chemistry from Cambridge Univer...
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Chemistry essays / Basic Tools For Chemistry
Introduction: The meaning of this experiment was to understand and use the basic tools for chemistry. During this experiment, many calculations were taken from data collected. We had to make sure measurements were taken accurately in order to complete the right equations. Using these equations we could determine volume, weight, and masses of specific objects. Also, we were introduced to ...
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Chemistry essays / Chromatography Research
Chromatography Research Most likely, the average person off the street couldn't tell you exactly what chromatography is. I, however, can tell you this, and much more relating to the subject. Chromatography is defined by Webster's Dictionary as "a process in which a chemical mixture carried by a liquid or gas is separated into components as a result of differential distribution of the solutes ...
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[ABSTRACT]AbstractIn the late 1940s, few Americans had any idea what the long-term effects of nuclear radiation might be, and their government wasn't telling them. Dr. Linus Pauling had already won renown for his application of modern physics to the problems of chemistry when he took on the unpopular task of informing the public about the dangers of nuclear weapons. Pauling endured exclusi...
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Chemistry essays / Learning Or Not
Learning Or Not In our younger stages of life we tend to be taught the things needed for the future. Everything is made easy after the first time of learning it. I think that the author is trying to tell us that learning can be hard but altering what we had learned is even harder. I understand what the author is trying to say in the terms of learning is a hard thing, but to re-learn some...
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Chemistry essays / Robert Penn Warren
ROBERT PENN WARREN Robert Penn Warren was born in Gutherie, Kentucky in 1905. After graduating from high school, he moved to Nashville, Tennessee to attend Vanderbilt University. Warren began his study working toward a major in Chemistry. Soon, the English Professors and Poets, Donald Davidson and John Crowe Ransom won him over into the analysis of Literature and Poetry. Robert's ...
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Chemistry essays / Alfred Nobel
Alfred Nobel was born in Stockholm on October 21, 1833. By the age of 17 he was fluent in Swedish, Russian, French, English and German. Early in his life he had a huge interest in English literature and poetry as well as in chemistry and physics. Alfred's father disliked his interest in poetry and found his son rather introverted. In order to widen Alfred's horizons his father sent him to...

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