Chemicals Essays and Term Papers

Science Experiment On Odor Changes Of Various Chemicals

The purpose of my experiment was to research and determine why the odor changed after mixing several controlled substances. The experiment involves esterification, which is the reaction of carboxylic acids and alcohol’s to form esters. First, I put 4 ml of vinegar in a test tube and noted the ...

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Do Cleaning Chemicals Clean As Well After They Have Been Frozen

Problem: The researcher is trying to determine whether or not cleaning materials will clean as well if they have been frozen solid and subsequently thawed out until they have returned to a liquid state of matter. The researcher will use Dial Antibacterial Kitchen Cleaner, Clorox Bleach, and ...

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Endocrine Disruption

The endocrine system is very dynamic and has ties to most, if not all of the other major systems of the body. It is responsible for production of hormones and the regulation of them as well. These hormones act as chemical messengers within the body. Through several differing mechanisms, they ...

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Study Of Environmental Issues Associated With Industrialization

Although our industrial ways seem to be a very progressive step into the future, there are many flaws to the way many things are today. Things have definitely changed over the past century, as we can currently do things much more efficiently then before. The cost of this efficiency may seem ...

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Silent Spring

The following quote “The sedge is withr’d from the lake, And no birds sing,” (Keats) seems like a very simple sentence with no meaning to it. However, after reading Chapter 6 of , I realized how loaded the comment is with meaning. The quote is describing humans and how humans treat the plants ...

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Effects Of Excessive Pesticide

What is the goal of agriculture? Mainly, it is to produce healthy food, affordable for consumers to purchase, while ensuring that farmers are able to earn a decent income. Recently, with greater environmental awareness in society in general, it is also now very important to protect the ...

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Caveat Emptor Of The Love Canal

The Love Canal, an area near Niagara Falls in New York, was excavated around the turn of the century by a company which was headed by William T. Love. After Love went broke, the canal was put up for action and was eventually bought by Hooker Chemicals. In the forties, Hooker Chemicals began ...

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Could Air Pollution Have A Negative Impact On Water Quality?

? For the past 30 years, scientists have collected a considerable amount of convincing information demonstrating that air pollutants can be deposited on land and water, sometimes at great distances from their original sources, and can be an important contributor to declining water quality. These ...

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Hemp...A Help For Today

For our purposes, hemp is the plant called cannabis sativa. There are other plants that are called hemp, but cannabis hemp is the most useful of these plants. In fact, cannabis sativa means "useful (sativa) hemp (cannabis)". "Hemp" is any durable plant that has been used since pre-history for ...

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Pesticides And Their Harmful Affects

There are many important issues in the world regarding the environment and it's affects on the average person. Though, the one that hits closest to home, worldwide, is the trust that individuals have in the food that they consume. Yet pesticides are still found daily in foods all around the ...

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Biological Warfare And Terrorism

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 strange that a man ...

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Your Chemical World

“” In today’s world we rely on many different facets to achieve what we normally don’t 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 150,000 ...

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Meth Labs

Methamphetamines are powerfully addictive stimulants that dramatically affect the central nervous system. The drugs are made easily in clandestine, or illegal laboratories with cheap over the counter ingredients. These factors combine to make methamphetamines drugs extremely dangerous, and ...

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Endocrine Disruptors

During recent years, numerous newspaper and magazine articles have suggested that humans may be at risk because small amounts of well known environmental contaminants, such as dioxin, PCBs and DDT, can affect hormone levels. Hormones are produced by the endocrine system as regulators of biological ...

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Acid Rain: Cause And Effects And Issues

Introduction Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the "unhealthy" condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is rain with pH values of ...

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Endocrine Disruptors

During recent years, numerous newspaper and magazine articles have suggested that humans may be at risk because small amounts of well known environmental contaminants, such as dioxin, PCBs and DDT, can affect hormone levels. Hormones are produced by the endocrine system as regulators of biological ...

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Mercury in Public Systems

Identification and Best Management Practices of Mercury-Containing Equipment at Public Drinking Water Systems (Adapted from Idaho Department of Environmental Quality-Dec 28, 2004) Identification and Best Management Practices of Mercury-Containing Equipment at Public Drinking Water ...

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Pesticides

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 ...

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Epidemic Breast Cancer

April 30, 2017 Epidemic Breast Cancer 1. Introduction Breast cancer is the greatest public health problem and severe widespread disease worldwide. It is the main reason of death following lung cancer. Breast cancer is a fault of breast cells resulting gene alteration forming tumors and ...

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Marijuana

To toke or not to toke that is the question. Whether tis nobler in the mind to suffer the slings and arrows of society or succumb to popular opinion and legalize . is a cure for anorexia as well as glaucoma. is even a helping factor for relieving some symptoms of A.I.D.S. Still the ...

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