Chemistry Essays

CALCULATIONS Determining the amount Limiting Reagent used. nlimiting reagent = Molarity x Volume or Mass / Molar Mass Example: Limiting reagent is 5mL of 1. 0 M HCl nlimiting reagent = Molarity x Volume nlimiting reagent = (1. 0 [mol/L]) x 0. 005 [L]) = …

Energy FROM WASTE ( EfW )IntroductionEnergy from waste is a construct that is going more relevant to society as the general consciousness of energy efficiency and waste direction additions in the public sphere. It merely means that waste generated from families, industries and commercialism is …

This is to certify that  Aakash Narayan,  student of Class XII B, Don Bosco School, Alaknanda has completed the project titled ‘Cuprammonium Rayon Threads from Filter Paper’ during the academic year 2010-2011, towards partial fulfillment of credit for the chemistry practical evaluation of CBSE Board, …

Data and Conclusions: The purpose of this experiment was to learn how to use distillation and gas chromatography to separate and identify different compounds from a given mixture. There are several kinds of distillation methods. However, the method that we used in this experiment was …

In the future, I would put different types of plants underneath the same color of cellophane to see if the light had the same effect that it did on the pole mean plants. I would also weigh the plants to find out their overall mass. …

I am going to investigate how concentration of hydrochloric acid affects the rate of reaction between hydrochloric acid and indigestion tablets which contain mainly calcium carbonate. From my background knowledge from class work and books, (see references) I have found out that if you increase …

Aim: The purpose of this coursework was to investigate the impact visitors have had on the growth of sorrel on Pillow Mound in Epping Forest and to find out whether soil compression has an effect on the height of the plant sorrel. Hypothesis: There will …

When straining your body through physical activity, Gatorade keeps your body hydrated, keeps the electrolytes balanced, and replenishes carbohydrates. However, Gatorade has several negative effects as well, which can be extremely toxic to the body. This very popular drink has both positive and negative effects …

Alum Synthesis: The Chemical Process of Recycling Aluminum Introduction By recycling aluminum cans, the costs and energy savings are dramatically more resourceful and efficient than producing aluminum from what it is naturally found in, bauxite ore. The process of recycling aluminum to produce potassium aluminum …

‘STEEL ‘ is used for assorted metals of Fe. These vary from each other depending on the content and % of stuff added to the Fe base solution. On must maintain an of import factor in head, all steels contain a % degree of C …

Oman Cement Company ( SAOG ) was formed in 1978. Rusayl Cement works was completed in 1983 with an one-year incorporate cement production capacity of 624,000 dozenss, of cement. In 1999 clinkering capacity expanded to a sum of 1.2 million dozenss per twelvemonth. The 2nd …

Isotopes Any of two or more forms of a chemical element, having the same number of protons in the nucleus, but having different numbers of neutrons are called isotopes. Some isotopes are unstable, especially those with a lot of neutrons compared to the number of …

Consider what happens when a solid material is placed in a solvent in which it has a low solubility. Not much! A small fraction of the solid will dissolve, but the rest will just sit there. (Actually, it doesn’t just ‘sit there’ since an equilibrium …

Introduction Water is the major constituent of all living beings. The water is necessary to sustain all types of life. The water used for drinking purpose by human beings should full the following conditions : 1. It should be colourless. 2. It should not possess …

Element Arrangement The elements show a periodic recurrence of chemical and physical properties when they are arranged in order of increasing atomic number. Elements in the same vertical column are known as groups and the horizontal rows of elements are called periods. All elements in …

Introduction of man, directly or indirectly, of substances or energy into the marine environment (including estuaries) resulting in such deleterious effects as harm to living resources, hazard to human health, hindrance to marine activities including fishing, impairment of quality for use of sea-water, and reduction …

Thermal radiation also known as infrared which is a form of light that can not be seen, we can only see visible light. Infrared gives us information that we would not be able to get from visible light. Because all object gives off some type …

Dangers of Radioisotopes: when radlatlon collides with molecules In living cells It can damage them. If the DNA In the nucleus of a cell is damaged, the cell may become cancerous. The cell then goes out of control, divides rapidly and causes serious health problems. …

Introduction Potatoes are just your average food; they have been around for as long as the human race can remember. In this lab, we will make them be a prime example of osmosis, which is a transport mechanism. In this lab the problem being tested …

Yasuki Hiramatsu, the famous metal smith for jewelry was born in Osaka, Japan in 1926 and currently lives in Tokyo, Japan. He obtained his graduation in 1952 from Tokyo National University of Fine Arts & Music. Having experienced military life as a student soldier during …

91 Chapter 5 Sources of plant nutrients and soil amendments A large number of diverse materials can serve as sources of plant nutrients. These can be natural, synthetic, recycled wastes or a range of biological products including microbial inoculants. Except for microbial inoculants (biofertilizers), all …

Introduction: With the execution of this experiment, we began to go deeper into the Cell and Molecular Biology course. The main focus of the experiment would be how the Restriction Endonucleases cleave the strands of DNA. For this experiment, pBR322 was the specimen to use. …

CAES 2802 essay Nanotechnology in sports science and equipment in China Have you ever wondered why the tennis racket you are using is so flexible yet durable to withstand the force of swings? Or why does that tight vest you are wearing seem so thin …

FACH2702 Practical Analysis of imposter perfumes Aim: To determine which out of 4 unknown samples are genuine perfumes, and which are imposter/fake perfumes. This will be done by analysing gas chromatography plots, and comparing the components in the samples to that of a known standard …

HEALTH, SAFETY AND ENVIRONMENT (CBB 2012) TITLE: FRACTIONAL DISTILLATION PROCESS ? CONTENTS 1. Title…………………………………………………………………………. 1 2. Summary……………………………………………………………………. 3 3. Introduction of Case Study……………. ……………………………………. 4 4. Risk Scenario Development……. …………………………………………… 5 5. Justification of Fault Tree Analysis…………………………………………6 6. Procedures of Fault Tree Analysis………………………………………….. 7 7. …

Sandwich construction by and large consists of 3 parts ; the nucleus stuff that is lightweight and is covered by face sheets from the top and the underside. The stuff of the face sheets are normally made from stuffs that have high stiffness, while the …

Attach a vertical strip of masking tape to the side of each of your test tubes for marking the water level and using the permanent marker, make a mark on the tape about 1 CM down from the mom the of the test tube. This …

3-D OPTICAL DATA STORAGE TECHNOLOGY * *ABSTRACT 3D optical data storage is the term given to any form of optical data storage in which information can be recorded and/or read with three dimensional resolution (as opposed to the two dimensional resolution afforded, for example, by …

On 4th of January,2010, Dubai, where there was merely wind-blown litter a coevals ago, witnessed the gap ceremonial of the universe ‘s tallest edifice, ” Burj Khalifa ” .A superb work of art with hard structural jobs took 1,325 yearss to completion since the start …

Enthalpy, represented by the sign ? H in kJ/mol, is the heat change in a reaction. It shows whether how much heat is released or absorbed during the reaction. If the reaction is endothermic, the enthalpy would be positive and if the reaction is exothermic, …