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Chemistry Essays

Making Fish Sauce With Biotechnology Using Enzymes or Microbes

Resources in Indonesia are very large, especially sources that are food. One of the abundant resources in Indonesia is its fisheries resources, therefore the food must be processed in such a way as to have good quality and quality. Good quality and quality can help increase economic value and nutritional value in the community. There …

Ozone Layer Poisoning

The poisoning of the Earths ozone layer is increasingly attracting worldwideconcern for the global environment and the health effects of life on the PlanetEarth. There is not just one particular cause for the ozones depletion; theaccumulation of different pollutants into our ozone layer has all added up andequaled a worldwide problem. There is not just …

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Lysergic Acid Diethlamide (LSD)

LSD or lysergic acid diethlamide is a commonly used drug of teens. LSDis a hallucinogenic drug which effects the nervous system. The drug is ingestedin many different ways, absorbed through the skin, taken orally or absorbedthrough the eye or ear. This drug was originally developed by the government ofthe United States as a treatment for …

Coalition Chemistry

Coalition Chemistry 1. a) Bulk movement is the overall movement of a fluid. Themolecules all move in the same direction. Diffusion however is the randommovement of molecules which usually results in a fairly even distribution. Inother words the movement is not guaranteed to move in one direction but theprobability that it will move in the …

Rates Of Reaction between Hydrochloric acid and Calcium Carbonate

Aim: To investigate the effect of the concentration of Hydrochloric acidon the rate of reaction between Hydrochloric acid and Calcium Carbonate. Background:The rate of reactions between two substances is dependent onmany factors or variables: 1. Change in temperature 2. Surface area of solid substance, 3. Concentration of the acid, 4. Volume of Acid used. While …

Sree Rayalaseema Alkalies and Allied Chemicals Limited

We are one of the leading manufacturers of Castor Oil Derivatives in India. We are the Flagship Company of US$ 150 million TGV Group of Industries with assets. We have been supplying the Castor Derivatives to international markets since the inception in 1996. Company Profile Basic Information Company Name:|Sree Rayalaseema Alkalies And Allied Chemicals Limited …

Review of Apobec Enzymes

The Current Structural and Functional Understanding of APOBEC Deaminases (Running Title: Structural Insights for APOBEC Deaminase) Keywords: APOBEC, cytidine deaminase, Viral Infectivity Factor (Vif), Human Immunodeficiency Virus (HIV), DNA deamination, RNA editing Abstract: The Apolipoprotein B mRNA-editing Enzyme Catalytic polypeptide family of cytidine deaminases has emerged as an intensively studied field as a result of …

Biochemistry-Anaerobic Respiration

Generally, anaerobic respiration starts by breaking down the molecules of glucose and produces pyruvic acid. The pyruvic acid then undergoes fermentation to produce ATP, the basic energy source in our human body. Although this kind of respiration is less efficient in producing energy, because it produces only two ATP molecules in comparison to the 38 …

Separating Ferrocene and Acetylferrocene by Adsorption Chromatography

Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Dry Pack Method Leah Monroe February 27, 2003 Organic Chemistry Lab II Experiment performed on February 18 and 20, 2003 Abstract: Adsorption column chromatography is one way to separate compounds out of a mixture. In this technique, a solid stationary phase called the adsorbent is packed in a …

Transition Elements

Transition Elements, series of chemical elements that share similar electron orbital structures and hence similar chemical properties. The transition elements are commonly defined as the 30 elements with atomic numbers 21 to 30, 39 to 48, and 71 to 80. The transition elements exhibit multiple valences or oxidation states typically ranging from +1 to +8 …

The Poisoning of Our Ozone Layer The poisoning of

O3 the Earth’s ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone’s depletion; the accumulation of different pollutants into our ozone layer has all added up and equaled a worldwide problem. There is …

Chemical Equilibria

Introduction In this experiment you will study some metals and some nonmetals to find their relative reactivity. A ranking according to reactivity is called an activity series. For example, an activity series containing the elements calcium, gold and iron would put the reactive calcium at the top, iron in the middle, and the unreactive gold …

Chemistry Of Natural Water

The purpose of this experiment is to explore thehardness of the water on campus. Hard water hasbeen a problem for hundreds of years. One of theearliest references to the hardness or softness ofwater is in Hippocrates discourse on water qualityin Fifth century B.C. Hard water causes manyproblems in both in the household and in theindustrial …

Purpose: The purpose of this lab is to yield isoam

yl acetate, a banana fragrance, by reacting acetic acid and isoamyl alcohol. By reacting a carboxylic acid with an alcohol we synthesize an ester, in this case isoamyl acetate. Procedure: 1) Obtain 8.5 mL of isoamyl alcohol and 15.0 mL of acetic acid in a 100-mL round-bottomed flask. 2) Add dropwise 5 mL of concentrated …

Chemical Composition of Portland Cement

PORTLAND CEMENTChemical composition. Portland Cement is made up of four main compounds: tricalcium silicate (3CaOSiO2), dicalcium silicate (2CaOSiO2), tricalcium aluminate (3CaOAl2O3), and a tetra-calcium aluminoferrite (4CaO Al2O3Fe2O3). In an abbreviated notation differing from the normal atomic symbols, these compounds are designated as C3S, C2S, C3A, and C4AF, where C stands for calcium oxide (lime), S …

Steam Distillation

Steam DistillationPurpose: To use steam distillation to purify heat sensitive, natural products, like essential oils. ProcedurePlease refer to:Williamson, Macroscale &Microscale Organic Experiments 4th Ed., pgs.98-109 ResultsTable 1.1: Steam distillationDrop # (every third drop)Temperature (C)Addition of 0.5 mL water1100.3Water added2100.53100.5Water added4100.6Water added5100.66100.6Water added7100.68100.6Water added9100.310100.6Observations: The residue was cloudy during distillation. This indicated that it was wet. …

Organic Chemistry

DistillationAndrea PausmaOctober 1, 2001I.IntroductionThe process of distillation has been used by humans for years to create alcoholic beverages. Distillation is the process of boiling a pair of liquids with different boiling points and then condensing the vapors above the boiling liquid in an attempt to separate them. One might suspect that the mixed two liquids …

Are Steroids Worth the Risk?

Many people have had their lives ruined by the use of illegal steroids, yet the desired effects are so overwhelming that people tend to overlook the consequences. Steroid users believe taking anabolic steroids will enhance their performance, strength, size,etc. They regard the use of them as legitimate as any other aspect of training. To begin …

Anabolic Steroids and the High School Athletes

Anabolic Steroids: And the High School AthleteAnabolic steroid abuse has become a national concern among high school athletes. There has been a dramatic increase in the number of athletes using these performance enhancing drugs in high school almost double the number using since the 1980’s. These athletes feel that steroids gives them the competitive edge …

Protein Digestion

Proteins are made up of amino acids. There are 20 amino acids commonly found in biological materials. These can be divided into 2 groups, indispensable and dispensable. The indispensable amino acids cannot be produced by the body so are required in the diet. The dispensable amino acids can be produced by the body so are …

Protein For Muscles

Creatine Information Creatine is a naturally occurring metabolite found inmuscle tissue. It plays an important role in energy metabolism, and ATPreformulating. Muscle soreness, lactate build up, and fatigue are a directresult of depleted ATP store. Creatine replenishes ATP stores, thus prolongingtime to fatigue. Creatine also increases available instant energy, increasesmuscular strength, improves endurance, and reduces …

Hydrogen Can Be “Packaged” in Several Ways

Hydrogen can be “packaged” in several ways, as a fuel gas in a H2/02 powered engine or the newly devised solid state pellet of hydrogen isotopes that contains about the equivalent of 5000 cubic feet of hydrogen and is broken down and releases gas into the second chamber where it goes to the engine for …

Gene Transcription Regulated by Proteins

3: Prokaryotic cells they can rapidly transcribe certain genes and synthesize many nutrientdigesting enzyme molecules when nutrients happen to be moving past and they can restrict synthesis when nutrients are scarse. 4: Regulatory Proteins: come into play during transcriptions or translation or after translation5: Various components of the system have a capacity to interact with …

Temperature and Concentration Results in Tables

4Результаты температуры и концентрации в таблицах 5 График результатов зависимости скорости реакции от температуры 6 График результатов зависимости скорости реакции от времени 8 График и таблица типичных результатов Это исследование посвящено скорости реакции и ее влиянию. В этом случае я собираюсь рассмотреть соляную кислоту и тиосульфат натрия, которые являются реакцией осаждения. Я буду исследовать, влияет …

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