Factorys Chemicals Essay Examples

560 total results

The Role and Importance of Catalysts in Chemical Reactions and the Industry (1039 words, 5 pages)

The Role Catalysts In Chemical Reactions, Their Importance In Industry, Problemsand New DevelopmentsOXFORD 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 ... Read More

The Threat of Chemical and Biological Weapons (1162 words, 5 pages)

Chemical and Biological Weapons Chemical and biological weapons 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 ... Read More

An Experiment: The Sequence of Chemical Reactions (604 words, 3 pages)

The Sequence of Chemical ReactionsDrew SelfridgeDave Allen, Lab partnerInstructorYang February 11, 1997INTRODUCTION This experiment was to recover the most amount of copper after itis subjected to a sequence of reactions. The copper is originally in solidform, but the reactions will turn it into free Cu2 ions floating in solution.The ions ... Read More

The Characteristics of Oxygen, a Chemical Element (757 words, 4 pages)

OxygenOxygen, symbol O, colorless, odorless, tasteless, slightly magneticgaseous element. On earth, oxygen is more abundant than any other element.Oxygen was discovered in 1774 by the British chemist Joseph Priestley and,independently, by the Swedish chemist Carl Wilhelm Scheele it was shown to bean elemental gas by the French chemist Antoine Laurent ... Read More

The Growth of the Factory System in Colonial America (4448 words, 18 pages)

Labor UnionsGROWTH OF THE FACTORYIn colonial America, most of the manufacturing was done by hand in a home. Labortook place in workshops attached to the side of a home. As towns grew intocities, the demand for manufactured goods increased. Some workshop owners beganhiring helpers to increase production. Relations between the ... Read More

The Differences Between Chemical Mixtures and Pure Substances (720 words, 4 pages)

Mixtures and pure substances- Pure substances are matter made up of only one type of atom or molecule- Mixtures are a collection of 2 or more pure substances physically mixedtogether that cannot be represented by a chemical formula.- A mixtures properties may vary, because the proportions of the substancesin them ... Read More

An Introduction to the History of the American Chemical Society and an Analysis of Your Chemical World (2823 words, 4 pages)

Your Chemical WorldIn todays world we rely on many different facets to achieve what we normally dont even give a second thought. As I am sitting here typing this paper I am simultaneously using the culmination of numerous chemical breakthroughs. The American Chemical Society (ACS) is a group of over ... Read More

Platinum Is a Chemically Inert, Metallic Element and One of the Heaviest Substance Known (472 words, 3 pages)

Platinum is a relatively rare, chemically inert, metallic element. It symbolis Pt, atomic number is 78, and its atomic weight is 195.09. Platinum is oneof the heaviest substances known. One cubic foot of Platinum weighs 21 timesas much as a cubic foot of water. A grayish-white metal, Platinum has a ... Read More

The Risks and Complications That the Environmental Chemicals Can to the Developing Embryo and Fetus (1691 words, 5 pages)

IntroductionIn recent years it has become clear that some environmental chemicals can cause risks to the developing embryo and fetus. Evaluating the developmental toxicity of environmental chemicals is now a prominent public health concern. The suspected association between TCE and congenital cardiac malformations warrants special attention because TCE is a ... Read More

An Overview of the History, Occurrence and Properties of the Chemical Element Krypton (554 words, 2 pages)

I am the chemical element known as Krypton. I can also be referred as Kr. I will be telling you about my history, my properties, my family and my occurrence. I will also be telling you about my uses and ores, also the analytical methods based on me. I received ... Read More

The History of the Use of Chemical Warfare Since the Early 1930’s (656 words, 5 pages)

Chem WarfareIt was not until the early 1930's that Germanchemists observed that organo-phosphoruscompounds could be poisonous. In 1934, DrGerhard Schrader, a chemist at IG Farben, wasgiven the task of developing a pesticide. Twoyears later a phosphorus compound withextremely high toxicity was produced for the firsttime. According to contemporary regulations,discoveries with ... Read More

The Background Informational of the Metallic Chemical Element, Cadmium (461 words, 4 pages)

Cadmium, symbol, Cd, is a silverywhite metallic chemical element with a faint bluetinge to it. It is the fifty-seventh most commonlyfound element in the earth. It was discovered byF. Stromeyer, in 1817, in Germany. Stromeyerwas studying a sample of zinc carbonate whichseparated into a the new element ultimately calledcadmium. The ... Read More

The Effects of Mixing Chemicals with One Another (529 words, 3 pages)

Household Waste!One morning my mom said "Andy, get up and clean the bathroom!" It wasalways an essential and important labor to the family. I got up and gathered allthe normal cleaning agents we used Ajax, ammonia, and this liquid bleach thatmy mom said worked wonders. The toilet I cleaned using ... Read More

A Study on the Chemical Compound, Fluoride (1180 words, 6 pages)

FluorideFluoride is a mineral that occurs naturally in almost all foods and watersupplies. The fluoride ion comes from the element fluorine. Fluorine, the 13thmost abundant element in the earth's crust, is never encountered in its freestate in nature. It exists only in combination with other elements as a fluoridecompound. Fluoride ... Read More

Symptoms and the Effects of Chemical Dependency (354 words, 2 pages)

A diagnostic summary was completed on 10696 Jack Smith is a 41-year-old white male currently living in a small community in southern Ohio. Jack came into the agency involuntarily his involvement with the agency is a requisite of probation for assault and domestic violence. He was arrested for assaulting his ... Read More

A Review of Puget Sound Report Detailing Industry’s Toxic Chemical (493 words, 2 pages)

Puget Sound Report Details Industry's Toxic ChemicalWater PollutionShipyards, oil refineries, and pulp and paper mills put the health of Puget Sound at risk by not fullymeeting their responsibility to control the toxic chemical pollution they generate, according to adetailed report by People For Puget Sound based on the environmental records ... Read More

The Main Chemical Effects of Drugs on Human Bodies (3191 words, 5 pages)

IntroductionMany different drugs have different effects on the body. This paper focuses on the effects caused by three widely used drugs opium, cocaine, and cannabis. They have many common effects between them. Some characteristics of the effects of those drugs are those of stimulants and others are those of depressants. ... Read More

An Introduction to the History of the Factory System in the Colonial America (595 words, 1 pages)

In colonial America, most manufacturing was done by hand in the home. Some was done in workshops attached to the home. As towns grew into cities, the demand for manufactured goods increased. Some workshop owners began hiring helpers to increase production. Relations between the employer and helper were generally harmonious. ... Read More

The Discussion of Testing the Toxicity of Chemicals on Spiders (1188 words, 2 pages)

SpidersThis report deals with testing the toxicity of certain chemicals on spiders, and determining the toxicity by how it affects its ability to weave its web. This report contains research on the four chemicals (benzedrine, chloral hydrate, caffeine, and alcohol) as wellas the spiders and their webs. Spiders are of ... Read More

The Chemical Element of Zinc and Its Industrial Uses (910 words, 2 pages)

ZINC by JASON GOMEZ Zinc is a chemical element with the symbol Zn. It is a low-melting metal that belongs to Group IIb (zinc group) of the periodic table. The atomic number of zinc is 30. With an atomic weight of 65.39, zinc makes up an average of 65 grams ... Read More

An Introduction to the Definition of Starch a White, Granular, Organic Chemical That Is Produced by All Green Plants (1425 words, 4 pages)

STARCHStarch is a white, granular, organic chemical that is produced by all green plants. Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. The basic chemical formula of the starch molecule is (C6H10O5)n. The simplest form of starch is the linear polymer ... Read More

An Introduction to the Chemical Formula of a Mineral (1843 words, 6 pages)

According to Websters Dictionary, the definition of a mineral is an inorganic substance. Citrine is one of the most popular minerals. It is a variety of quartz. Citrine is a yellowish-orange mineral. Citrine is a very popular gemstone because it is very affordable and very pretty. Along with topaz, citrine ... Read More

An Overview of the Chemical Element Potassium (646 words, 2 pages)

potassiumpuh-tas'-ee-uhmThe chemical element potassium is a soft, light, silver white metal. It is a member of the alkali metals, a group (IA of the periodic table) with similar physical and chemical properties. Its chemical symbol is K (from kalium, the Latinized version of the Arabic word for "alkali"). Its atomic ... Read More

An Introduction to the Chemical Element Phosphorus (1143 words, 4 pages)

PHOSPHORUSIntroductionThe element that is featured in this report is phosphorus. Phosphorus is a chemical element that human beings, animals, and plants need for normal growth. The main use of phosphorus is fertilizer. It was difficult to find a lot of different information on this element.DescriptionPhosphorus is a nonmetallic chemical element ... Read More

An Experiment Using Atomic Spectroscopy, a Chemical Analysis Technique (914 words, 3 pages)

Chemistry Open Book PaperAtomic 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 ... Read More

The Characteristics of Mercury, a Chemical Element (421 words, 1 pages)

Mercury The ElementMercurys symbol is Hg, its atomic number is 80, its atomic mass is 200.59, its in group 12 and in period 6, and it also has two valence electrons. Its standard state is liquid at 298K and it is the heaviest known elemental liquid. It has a silvery ... Read More

A Description of the Manganese a Chemical Element (243 words, 1 pages)

Hi, I am Manganese. I am an element discovered in 1774 by the Swedish chemist Johan Gottlieb Gahn. My symbol was devised, coincidentally, by taking the first and third letters in the word manganese. My atomic number is 25, my atomic mass is 54.938, and my density is 7.2. I ... Read More

A Description of a Chemical Reaction (534 words, 1 pages)

3 Cu 8 HNO3 -- 3 Cu (NO3)2 2 NO 4 H2O The balanced equation seen on the top is what you attain when you place copper metal in concentrated nitric acid. In this process the identifiable characteristics of the metal will be completely changed and a new substance, cupric ... Read More

A History of Chemical Warfare (1223 words, 3 pages)

Chemical WarfareBy Jesse WamplerIn this report I will be giving a history of chemical warfare. I will also be showing a chart that includes the Agent, and many other useful information about nerve gas agents which are the main item for chemical warfare. This report will also include the effects ... Read More

Ways to Clean Up Chemicals from the Environment (1691 words, 5 pages)

IntroductionIn recent years it has become clear that some environmental chemicals can cause risks to the developing embryo and fetus. Evaluating the developmental toxicity of environmental chemicals is now a prominent public health concern. The suspected association between TCE and congenital cardiac malformations warrants special attention because TCE is a ... Read More