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factorys chemicals Essay Examples

560 total results

An Examination of the Role of Catalysts in Chemical Reactin (1036 words, 4 pages)

The Role Catalysts In Chemical Reactions, Their Importance In Industry, ProblemsOXFORD AND CAMBRIDGE SCHOOLS EXAMINATION BOARD. General Certificate Examination- Advanced Level Chemistry (Salters') - Paper 3 mock.ROBERT TAYLOR U6JW.A Catalyst is a substance that alters the rate of a reaction. The catalystremains unchanged at the end of the reaction. The ... Read More

An Analysis of the Most Important Tool in a Chemical Laboratory (342 words, 1 pages)

is known as the most important tool in a chemical laboratory.The elements in are classified into groups or families. provides an easy way to show the divission of the elements into acid-forming and base-forming types.It is also a universal table. is filled whith many virtues in which I will explain ... Read More

A Chemical Analysis of the Element Thallium (Tl), Atomic Number 81 (463 words, 2 pages)

My element was . It is atomic number 81. It has 81 protons andelectrons and 123 neutrons. has a mass of 204.3833 atomic mass units.Its symbol is Tl. It resides in Group IIIA of the periodic table. That is thealuminum family. has a bluish color after exposure to the air. ... Read More

A Description of the Chemical Which Make’s Up Sodium Chloride (904 words, 2 pages)

The chemical make-up of sodium chloride is NaCl. Sodium Chloride is composed of is composed of a negatively charged chloride ion (Cl) and a positively charged sodium ion (Na). So I believe that when sodium chloride is dissolved in water the two ions that compose the sodium chloride should separate, ... Read More

Understanding the Process of Bio-Chemical Engineering (550 words, 2 pages)

AbstractA new process in bio-chemistry involves the manipulation ofmolecules to defeat diseases, viruses, chemical warfare, and to reduce thecost of bio-chemical engineering. This new process is refined in that theresearcher utilizes new computer technology to model the behavior of certain molecules to insert a "slot" for discarding unwanted foreign objects. ... Read More

A Description of Pheromones as a Chemicals Released by Organism Into the Environment (486 words, 2 pages)

Do you often wonder what makes someone attracted to you or what makesyou attracted to that other person? Sometimes you can look at the person andnot even be attracted to their looks, but you feel compelled to talk to them orjust contact them in any form. These urges could be ... Read More

An Analysis of Chemicals That are Used to Destroy Pests in Agricultural Industry (1971 words, 3 pages)

are chemicals that are used to destroy pests. In the agricultural industry, are classified into two categories, carcinogenic and non-carcinogenic. A carcinogenic pesticide is a substance or agent producing or inciting cancer. Conversely, a non-carcinogenic pesticide is substance that does not produce or incite cancer. Most agricultural were registered in ... Read More

The Threat and Devastating Effects of Atomic, Chemical and Other Nuclear Weapons on Our World (813 words, 3 pages)

The modern world is threatened by atomic bombs, chemical weapons, andother nuclear weapons. The nuclear weapon is the number one problem facingthe world today. We have not been able to get nuclear weapons undercontrol yet but we all know that our world will be totally destroy. Sincethe development of nuclear ... Read More

An Investigation of the Properties of Chemical Systems at Equilibrium (715 words, 5 pages)

Investigating Chemical EquilibriumPurposeTo recognize macroscopic properties of chemical systems at equilibrium observe shifts in equilibrium concentrations as stresses are applied to the systems and to explain the observations obtained by applying Le Chatelier's principle.Materials 100 mL graduated cylinder 10 mL graduated cylinder 250 mL beaker two 250 mL Erlenmeyer flasks ... Read More

An Overview of Nitric Oxide, a Chemical (1213 words, 4 pages)

Nitric Oxide, or NO, its chemical representation, was until recently notconsidered to be of any benefit to the life processes of animals, much lesshuman beings. However, studies have proven that this simple compound had anabundance of uses in the body, ranging from the nervous system to thereproductive system. Its many ... Read More

A Look at the Negative Effects of Chemicals in the City of Bhopal, India (881 words, 2 pages)

Imagine a world without chemicals. Even though they sound so horrible, we use them in all most everything. Like the saying goes, cant live with them, cant live without them, chemicals are involved in our everyday lives, yet they are so forgien to the human body. When people interact with ... Read More

The Useful Chemical Elements of Copper (660 words, 2 pages)

Period 3 Grade 8 is a mineral. it is not a plant or a animal. is a metallic metal. It can never be broken down into differnet substances bynormal chemical means. Copper was one of the first metals known to humans.People liked it because in its native condition, it could ... Read More

An Analysis of the Dangers of Chemical Weapons, Protection against Them and Other Uses of Chemical Agents (384 words, 1 pages)

is war fought with chemicals. The development of chemical weapons and defenses against these weapons are usually considered together in military training. These weapons can be designed to kill large numbers of people, disable them for a while, or destroy their food supplies. The weapons are usually effective without destroying ... Read More

A Look at Different Types of Chemical Bonds (440 words, 1 pages)

Chemical bonds are what make up the world. In bonds, elements are held together and form compounds that may have new physical and chemical properties. There are two main kinds of bonds, they ionic and covalent. In bonding the goal of the atoms involved is to reach a level of ... Read More

Chemical Weapons and Explosives (2528 words, 5 pages)

TNT is not the kind of substance that most people think of composting, but it can be done! At several U.S. Army depots, the water used in processing explosives was disposed of through evaporation from unlined lagoons. This has resulted in sediments and soils that are contaminated with TNT (2,4,6- ... Read More

The Development and Control of Chemical and Biological Warfare (1586 words, 3 pages)

The Development and Control of Chemical and Biological WarfareThe year, 600 BC. Solon, the legislator of the Athenians, contaminated the River Pleisthenes with hellebores (skunk cabbage) to give the defenders of Kirrha violent diarrhea leading to their defeat. This is the first recorded use of plants as a source of ... Read More

The Chemical Description of Benzene (500 words, 1 pages)

, C(6)H(6), is a clear, colorless, flammable liquid that is insoluble in water.Its boiling point is 80 degrees C (176 degrees F). In the past was obtained fromthe distillation of coal in the absence of air. Today most is made syntheticallyfrom petroleum products.The is a closed ring of six atoms ... Read More

An Overview of the Characteristics of Barium, a Chemical Element (564 words, 2 pages)

is the 14th most common element of the Periodic Table of Elements. It makes up 12000th of the crust of the earth. Its atomic number is 56, and its atomic symbol is Ba. The atomic weight of is 137.34. is a silver-colored metal. is in group 2 (or IIa) of ... Read More

An Analysis of the Topic of the Qualitative Chemical Analysis (1118 words, 4 pages)

is the branch of chemistry principally concernedwith determining the chemical composition of materials, which may be solids,liquids, gases, pure elements, compounds, or complex mixtures. In addition,chemical analysis can characterize materials but determining their molecularstructures and measuring such physical properties as pH, color, and solubility.Wet analysis involves the studying of substances ... Read More

An Overview of the Properties of Aluminium, a Chemical Element (323 words, 2 pages)

Properties-Aluminum is the 13 element on the periodic table. It has highmalleability and ductility, high electrical conductivity, high thermalconductivity, and high resistance to corrosion. Some useful alloys that areuseful are aluminum bronze, alnico, and aluminum alloy, ect. Aluminum isstrongly electropositive and extremely reactive. In contact with air,aluminum instantly becomes covered ... Read More

A Review of a Chemical Experiment Involving Hydration (1478 words, 3 pages)

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 ... Read More

An Analysis of the Commercially Produced Chemicals and the Use of Butyl Nitrate and the Inhalant Abuse (1077 words, 2 pages)

I can be defined as commercially produced chemicals that are inhaled into the body to produce psychoactive (mind-altering) and often adverse effects. I are aerosols, solvents, and cleaners. Examples include cleaning fluids, hair sprays, paints, cooking sprays, nail polish, and anesthetics such as halothane and nitrous oxide, which is often ... Read More

An Overview of the Different Types of Agents Used in Chemical Warfare (1528 words, 5 pages)

Chemical warfare is the use of natural and man-made toxicsubstances to incapacitate or kill an enemy. There are many different typesof agents used in chemical warfare, some of which are mustard gases, nervegases, psychotomimetic agents, tear gases, hydrogen cyanide, and arsines.All of which are very poisonous and lethal when exposed ... Read More

Chemical Weapons as the Most Dangerous Threat Facing Soldiers (1138 words, 4 pages)

are the most dangerous threats that oursoldiers face today. But just how much do most of us know about them? TheAmerican public had been bombarded by stories of how our government keeps secretweapons, does secret experiments, and the everlasting conspiracies. And manyaccept it all. Rather than simply trusting our government, ... Read More

Chemical Warfare: Germany’s Chlorine Attack at Ypres (4265 words, 6 pages)

When Germany launched its chlorine attack at Ypres on 22 April 1915, it caught the world by surprise. It aroused world public opinion, which blamed Germany for breaching The Hague Conventions. Germany justified its actions. They stated that The Hague Conventions only discussed projectiles whose sole purpose was the diffusion ... Read More

An Analysis of the Chemical Philosophers of Medieval Times Attempting to Transmute the Baser Metals into Gold or Silver (3708 words, 5 pages)

The science by aid of which the chemical philosophers of medieval times attempted to transmute the baser metals into gold or silver. There is considerable divergence of opinion as to the etymology of the word, but it would seem to be derived from the Arabic althe, and kimyachemistry, which in ... Read More

An Analysis of a Chemical to be Considered as a Drug (401 words, 2 pages)

In order for a chemical to be considered a drug it must have the capacity toaffect how the body works--to be biologically active. No substance that has thepower to do this is completely safe, and drugs are approved only after theydemonstrate that they are relatively safe when used as directed, ... Read More

A Look at the Controversy Surrounding the popular Chemical Weapon, Agent Orange (844 words, 2 pages)

We've heard about them on television, in newspapers, and other various publications since the early 1970's, but still many people don't know enough about . Many people have heard about the controversial chemical, Agent Orange, which had links to . Even fewer people have become educated about paper mills and ... Read More

An Analysis of Chemical Reactions in Cellular Respiration (210 words, 1 pages)

Cellular RespirationThe first step in cellular respiration is called glycolysis, the process in which all living organisms harness energy from food molecules. This is a sequence of chemical reactions where glucose is broken down into two molecules of a substance called pyruvate. There are two different phases within this step, ... Read More

Tokyo Terrorism: The Use of Chemical Weapons (3838 words, 5 pages)

It was another calm early morning on the subway train. Many of the passengers were napping on their way to work. The train slowed to a stop to allow more passengers on, then sped along to its destination, the central government district in Tokyo. Many of the passengers found it ... Read More

Published: Friday 25th of January 2013