Chemistry Essay Examples

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Chemistry Terminology (305 words, 1 pages)
Non-polar covalent bond?'' that sounded Greek to me when I firstheard it from my elder sister. Suddenly, I have started loving Greekwhen I started taking chemistry course in my school this year. Althoughsometimes easiest classes seemed tedious to me, science was never one ofthem. Sometimes I ask myself that where ... Read More
Ancient Roman Amenities of a Town (1081 words, 5 pages)
AbstractAncient Roman Amenities offers a description of the finer things in life that you would not have expected to see before 79 A.D. People who lived in Ancient Rome had many amenities available to them such as paved roads and bridges, markets, running water for drinking, toilets, and bathhouses. Keywords ... Read More
Individual Reactions to Crisis (625 words, 3 pages)
Mary got a phone call that her son was in the hospital after a terrible car accident. She hung up the phone in stunned silence. Eventually, she began searching for her car keys, but she felt as if she were moving in slow motion, as if she were swimming in ... Read More
An Experiment Conducted on the Green Barley Plant (575 words, 1 pages)
Through collecting the data it was determined that by increasing the sample size, the overall results did not improve. It can be seen in Table 2 that the percentage for green barley plants decreased as the sample size increased and that the percentage for the albino barley plants increased as ... Read More
An Experiment on the Dominant/Recessive Parents of Barley Plants (1583 words, 8 pages)
Genes are a section of DNA that is contained in chromosomes. They are what determines the genotype, the genetic makeup, and phenotype, the physical appearance, of an organism. They are two types of breeding, pure breeding and cross breeding, which form two main genotypes. Homologous is when they have been ... Read More
Lab Report on Mass and Volume (1004 words, 7 pages)
This lab report is about mass and volume. Massis the amount of matter in an object. Mass is different from weight. Volume is the amount of space that a substance or object occupies. Because the water was massed by pouring in to the beaker. The beaker became constant. This experiment ... Read More
Soil Extraction and Manganese Analysis by Atomic Absorption Spectroscopy (308 words, 1 pages)
ProcedureThe procedure consisted of extracting an unknown soil sample (Sc), preparing calibrated solutions, and measuring the absorbance values of the soil sample, calibrated solutions, and prepared solutions.Data to evaluate the absorbance value of the unknown soil sample (Sc) were obtained by using the following procedures. Approximately 5g of the sample ... Read More
An Experiment to Test for the Presence of Starch in Onion and Potato Using Iodine Solution (344 words, 2 pages)
INTRODUCTIONStarch is a complex carbohydrate (polysaccharide) made from thousands of glucose units, joined together by glycosidic linkages. It is the main compound that all green plants use to store their food energy. Starch is insoluble in water. The purpose of this experiment is to demonstrate that using an iodine solution, ... Read More
An Experiment on Air Multipliers (1631 words, 20 pages)
AbstractI used 10 air multipliers and placed them together one by one in series. I measured the wind velocities using an Anemometer and recorded the air velocities of one air multiplier, two, three, and so on until 10 were in series. When I reached the second air multiplier, I noticed ... Read More
University Consultation and Treatment Center: Mission, Vision and Values (885 words, 4 pages)
Our mission at University Consultation Treatment Center is the promotion and establishment of mental health as a cornerstone of health and wellness for individuals, in communities with dual diagnoses. Our Mentally Chemically Addicted (MICA) program provides complete addiction and mental illness treatment for our residents who require a clinical focus, ... Read More
What Is a Polymer? (129 words, 1 pages)
As stated by Reece, Taylor, Simon, and Dickey in Campbell Biology Concepts and Connections, a polymer is a large molecule consisting of many identical or similar building blocks strung together, much as a train consists of a chain of cars. During a dehydration reaction, monomers are linked together by cells ... Read More
Results of Dehydration of 2-methylcyclohexanol (1104 words, 6 pages)
Dehydration of 2-methylcyclohexanol To Yield an AlkeneIntroduction In the experiment, the product mix of the dehydration of 2-methylcyclohexanol was analyzed using gas chromatography. There were two possible products for this reaction, as indicated by the following mechanism A 1,2-hydride shift is also possible but does not occur at a statistically ... Read More
Lithium Polymer Batteries versus Nickel Metal Hydride Batteries (629 words, 3 pages)
Lithium Polymer (often called Lipo) batteries are being used more often in all sorts of different electronics rather than the old Nickel Metal Hydride (often called NiMh) batteries. Although Lipo batteries have only been out for a few years, they have come a long way in technology. For the money, ... Read More
Measuring Temperature (515 words, 2 pages)
ObjectiveTo determine how thermocouples capable of measuring temperature.Show temperature profile in a furnace.httpswww.google.co.ukurl?satrctjqesrcssourcewebcd1cadrjaved0CDYQFjAAurlhttp3A2F2Fmechanical.poly.edu2Ffaculty2Fslee2FME35112FExp4.pdfeiXKY7Uaj1Duer7AbZtYFgusgAFQjCNFJ7d8-5Xdpu4Y2WidbPdbWzbLmVwsig20vKIzS9zNcPTPr-4ttkuQQbvmbv.43287494,d.d2k Temperature is one of the main fundamental part in many engineering system, temperature consist of physical preppies which need to be controlled, temperature is important for chemical engineering. For example, chemical processing plant. Key result and findingNormalDewar1Dewar2BoilerEmf(mV)-0.73-0.83.42Temp(C)-18.763-20.57983.691PT100(C)0099.5extensionDewar1Dewar2BoilerEmf ... Read More
Lab Report Detailing a Lava Lamp (478 words, 1 pages)
The question behind this lab was what is the reaction when you mix water, oil, food coloring and Alka-Seltzer? After going over the question I made a hypothesis which was if we mix water, oil, food coloring and Alka-Seltzer, then the mixture within the test tube will send bubbles of ... Read More
Chiral and Organic Chemistry (1256 words, 6 pages)
Chiral is one of important thing we use in our daily bases. Chiral means something does not superimposable on its mirror images. Good example is our right and left hand, which is mirror image of each other and not superimposable. Chirality plays a key role in our daily life, chemical ... Read More
The Effects of Crystal Growth Based on Temperature (1429 words, 4 pages)
Abstract The essay identifies a connection between social and scientificperspectives of reasons for correlation found in Hardens results betweenearly, on-time or late sexual experience and long term effects on futureromantic relationships and socioeconomic status. Hardens results showedlate sexual experience was associated with reduced levels of relationshipdissatisfaction whereas early experience was ... Read More
2s Complement Using 7-Segment Display (1205 words, 5 pages)
The purpose of this lab was to familiarize students with analog oscilloscope and hardware for circuit design. The lab has two parts the first part is to generate waves using a bit file given in the lab. Our task is to learn how to calibrate and adjust the oscilloscope so ... Read More
Development of New Mass Transfer Coefficient Correlations (59398 words, 44 pages)
The goal of the present project is to develop new volumetric mass transfer coefficient correlations for structured packing distillation columns. Final developed models will be more fundamental and perform a better job in rate based modeling. All the current mass transfer coefficient models are based on either the absorption system ... Read More
Enhanced Lipid and Fatty Acids Content Under Nitrate and Carbohydrate Supplements in Mass Culture of Marine Microalgae (4541 words, 24 pages)
Eicosapentaenoic acid (EPA, C205 3) and Docosahexaenoic acid (DHA, C226 3) are important 3 polyunsaturated fatty acids (PUFAs), while Arachidonic acid (AA, C204 6), is a vital 6-PUFA. They have numerous neutraceutical and pharmaceutical applications (Shahidi and Wanasundara, 1998 Horrocks and Yeo, 1999). EPA and DHA are important in the ... Read More
Biogeochemical Cycling (1156 words, 5 pages)
1. This cycling is defined as the movement and conversion of nutrientsfrom inorganic to organic by biochemical function in the ecosystem. Mostof all, the life body needs to survive and is made by sulfur,phosphorous, carbon, oxygen, hydrogen, and nitrogen. Moreover, severalelements are required such as zinc, manganese, chlorine, iron, andcopper. ... Read More
Chemistry Laboratory Experiment for Density (225 words, 1 pages)
The purpose of this lab was to find the density of different objects byfinding their mass and volumes. I believe that, if the mass increases,then the density will increase. To investigate this hypothesis, my groupused a triple beam balance, a graduated cylinder, and a . We hadfive samples. These included ... Read More
Spectroscopy (1477 words, 4 pages)
Spectroscopy is a tool used in many different aspects of science today. It is basically the study of how matter interacts with energy. Spectroscopy can help scientists find planets and determine the chemical composition of stars outside of our solar system. Spectroscopy can also be used to help understand and ... Read More
The History of Cloning (1655 words, 5 pages)
Cloning is the process that created multicellular life. This is because cloning is a form of mitosis. Mitosis is when a cell copies all of its genetic information, then splits in half, produces two daughter cells that are identical to the parent cell (Gregory). While most cloning has been on ... Read More
History of the Buckminster Fullerene (601 words, 2 pages)
The Bucky ball or also known as the Buckminster fullerene is discovered by three scientists Robert curl Harold Kroto and Richard Smalley in England Harry Kroto was in the university of Sussex and the others were in the university of rice. The element was named after R Buckminster fuller who ... Read More
An Argument for Continued Space Exploration (745 words, 3 pages)
Since the dawn of time humans have had this driving motion inside them to explore, and create new things. In the 1800's taxes were introduced to help the government fund for operations that benefited their citizens. When the space program was introduced in the 1900's, it required a large sum ... Read More
The Chemical Element of Lead (496 words, 2 pages)
Elements are substances that cannot be broken down by chemical means. There are 118 elements on the periodic table 92 of them occur naturally. The periodic table organizes chemical elements in rows by the order of their atomic number. Lead, whose chemical symbol is Pb, is an element that belongs ... Read More
Technology of Bio-Chemistry (38642 words, 30 pages)
1.1.3 Applications of Mass Spectrometry in Bio-analytical ChemistryAmong all mass spectrometry applications, the bio-analytical applications have been paid the most attention to in the past decade. A biological sample usually contains several categories of molecules, including DNARNA, protein, lipids and other small molecules. After the development of genome research, people ... Read More
Experimenting with an aqueous solution of Sodium Hydroxide and an aqueous solution of Calcium Dichloride (1797 words, 5 pages)
The experiment will focus on the instantaneous reaction between an aqueous solution of Sodium Hydroxide, NaOH, and an aqueous solution of Calcium dichloride, CaCl2. The amount of NaOH will be kept constant throughout the experiment however, the amount of aqueous CaCl2 solution will changed gradually. Initially, NaOH will be in ... Read More
Formal and Partial Changes in Chemistry (395 words, 2 pages)
The concepts of formal charge and partial charge are useful to chemists when dealing with Lewis structures. Formal charge is the difference between valence electrons and the number of electrons assigned to an atom that shows if an atom is positive or negative. Partial charge is the affinity for electrons ... Read More
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