Chemistry Essays
Posted: May 30th, 2008 | Author: admin | Filed under: Science & Technology | Tags: Chemistry | Comments Off
Production: Although Helium is one of the most common elements in the universe it is a rare gas on earth. It exists in the atmosphere in such small quantities (less than five parts per million) that recovering it from the air is uneconomical. Helium is produced as a by-product of the refining of natural gas, [...]
Posted: August 21st, 2007 | Author: admin | Filed under: Cancer, Medicine, Science & Technology | Tags: Chemistry, Nutrition | Comments Off
by: Harry Monell
Vitamin D is the nutrient long known for it’s critical role in the body’s processing of calcium and subsequent maintenance of the bones and teeth. However, studies are revealing more and more evidence supporting the role of vitamin D in protecting the body by significantly cutting the risk for most forms of cancer. [...]
Posted: August 20th, 2007 | Author: admin | Filed under: Science & Technology | Tags: Chemistry, Metal, Minerals | Comments Off
Copper Blake Adams Period 3 Grade 8 2/5/97 Copper is a mineral. it is not a plant or a animal. Copper is a metallic metal. It can never be broken down into differnet substances by normal chemical means. Copper was one of the first metals known to humans. People liked it because in it”s native [...]
Posted: August 20th, 2007 | Author: admin | Filed under: Science & Technology | Tags: Chemistry | Comments Off
The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B.C. Hard water causes many problems in both [...]
Posted: August 17th, 2007 | Author: admin | Filed under: Science & Technology | Tags: Chemistry | Comments Off
GHB, or Gamma-Hydroxy Butyric Acid is an intoxicating chemical with medical, recreational, and potentially entheogenic uses. It is a normal component of mammalian metabolism. It is naturally found in every cell in the human body and is most properly considered a nutrient. It is believed to be a neurotransmitter, although it is still unknown as [...]
Posted: August 17th, 2007 | Author: admin | Filed under: Science & Technology | Tags: Chemistry, Drugs | Comments Off
The medical use of amphetamines was common in the 1950/60’s when they were used to help cure depression and to help the user lose weight. An amphetamine is a drug that is a stimulant to the central nervous system. Amphetamines are colorless and may be inhaled, injected, or swallowed. Amphetamines are also used non-medically to [...]