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  • Care Of Your Pool And Hot Tub
    444 words
    Algae and Bacteria in Pools and Hot Tubs This report is about the effects of bacteria and algae in swimming pools and hot tubs. It will also explain how to control and, problems if you do not control it. And also what problems can occur if too many chemicals are used. To prevent algae their must be a proper chemical balance. You have to have high pH levels with chlorine. If there is a lot of organic materials in the pool or hot tub this can produce mass amounts of algae. Regular brushing is good...
  • Use Biological And Chemical Warfare
    1,633 words
    The Development and Control of Chemical and Biological Warfare The year, 600 BC. Solon, the legislator of the Athenians, contaminated the River Pleisthenes with hellebore's (skunk cabbage) to give the defenders of Kir rha violent diarrhea leading to their defeat. This is the first recorded use of plants as a source of chemicals for warfare. Although not very well known, chemical and biological warfare has been used for over 2000 years. Chemical and Biological warfare has made a vast change since...
  • Chemical And Biological Agents
    814 words
    Chemical and Biological Warfare, method of warfare in which toxic or incapacitating chemicals or biological agents are used to further the goals of the combatants. Until the 20th century such warfare was primarily limited to starting fires, poisoning wells, distributing smallpox-infected articles, and using smoke to confuse the enemy. Chemical Agents Gases such as tear gas, chlorine gas and phosgene (lung irritants), and mustard gas (causing burns) were first used in World War I to break the tre...
  • Most Common Use Of Chemical Warfare
    1,261 words
    Chemical weapons are a serious threat to the world and have the ability to wipe out entire cities, destroying everything in sight. Chemical weapons were first widely used in WWI. Just how many people were killed or injured in WWI due to chemical weapons According to the Chemical Weapons Convention webpage, 1,400,000 people were affected by chemical weapons during WWI. The most serious casualties occurred in Russia where 475,000 people were injured and 56,000 people were killed (CWC Homepage E. T...
  • Ban Chemical Weapon Production And Use
    1,258 words
    How many people were killed or injured in WWI due to chemical weapons According to the Chemical Weapons Convention web page 1,400,000 people were affected by chemical weapons. The most serious casualties were in Russia with 475,000 injuries and 56,000 killed. The problems of chemical warfare are upon us yet again. Saddam Hussein is currently trying to avoid weapon inspections by the United Nations. After it has been discovered that he used weapons during Desert Storm, can we risk confrontation w...
  • Used In The Products
    752 words
    Give Labeling a Chance In the grocery store anyone can find a plethora of goods that have the potential to improve human life in the simplest ways. Goods such as a Snickers bar, which can provide a little relaxation from an insane day at the job, or a gallon of milk, so that the kids can have something to drink with the nutritious breakfast that was also bought at the grocery store. Yet one aisle in this great place of choices destroys the relaxing candy bar or the weekly gallon of milk. This ai...
  • Use Of Chemical Products
    770 words
    If We Had Known About Green Chemistry In 1951, How Would Things Be Different Today? Green Chemistry is the making of chemical products that reduces or eliminates the use and production of hazardous substances in the designing, making, and use of chemical products. It involves the designing and re-designing of chemical creation and chemical products to prevent pollution which will therefore solve environmental problems. Green Chemistry is environmentally safe and has very little side effects on h...
  • Used Many Beautiful Roadsides And Lands
    932 words
    The following quote "The sedge is with'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 Silent Spring, I realized how loaded the comment is with meaning. The quote is describing humans and how humans treat the plants here on earth. The quote describes a scene where humans continue to destroy plants because they feel that they are in the way or that the plants are not appealing to look at. However, the plants...
  • Chemical Methods Of Qualitative Analysis
    1,177 words
    Analytical Chemistry Analytical Chemistry is the branch of chemistry principally concerned with 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 molecular structures and measuring such physical properties as pH, color, and solubility. Wet analysis involves the studying of substances that have been submerged in a solution and microan...
  • Negative Effects Of Chemicals In The Environment
    1,190 words
    Chemicals In The Environment In today's society chemicals, whether you like it or not are a fact of life. Many people are afraid of chemicals and their effects on them and the environment. This is understandable because the truth of the matter is that chemicals can do some horrible things to humans, animals and the whole ecosystem. Some would say that chemicals should be done away with for these reasons. But this certainly is not true and most likely impossible. Chemicals can also have some very...
  • Green Chemistry Many Companies
    476 words
    Green Chemistry Many companies all over the world produce chemicals for their products that are harmful to the environment, human health, and to all living species. Green Chemistry is the use of chemistry for the prevention of chemical pollution to the environment by using chemicals that are benign, or not harmful. The Environmental Protection Agency (EPA) states that the mission of Green Chemistry is, "To promote innovative chemical technologies that reduce or eliminate the use or generation of...
  • Film Use And One For Paper
    2,284 words
    When someone says the word photography the first thing that most people think of is pictures. People never think of what goes in to the developing process. They do not think about all the chemicals that go into developing the pictures. Many people just wonder why their picture came back with nothing on it or why they look like a ghost. They do not even bother to think about all the chemistry that goes on to develop the pictures. They think of how much money they just wasted on a bunch of messed ...
  • Use Of Chemical Weapons In Warfare
    1,032 words
    Geoff Hanson Chemical Warfare Chemical warfare is an extremely dangerous form of warfare. An inquisitive scientist accidentally stumbled upon the engineering of nerve gas agents in the '30's by the name of Gerhard Schrader. He was working on a solution to be rid of Germany's troublesome insect problem when he stumbled onto a solution for a larger problem in his eyes... humans. Two years later, he discovered an even more potent gas known as Sarin. Although instances of what might be styled as che...
  • Chemicals Use
    1,449 words
    Risk / Benefit Analysis: Insecticides and Pesticides History records that agricultural chemicals have been used since ancient times; the ancient Romans are known to have used burning sulfur to control insects, as well as using salt to control weeds. Many other ideas such as these originated hundreds of years ago all over the world and have continued to develop over time into today's use of insecticide and pesticide use that we see in today's agricultural practices. Coming from a small farming ba...
  • Copper Powder Into The Concrete Mix
    268 words
    The method for dying concrete to produce blended colours, such as blue and green. The colour is produced by mixing metal powders into concrete and other concrete based mixes. the powdered is then chemically processed to produce the colour. For example, can be dyed blue dyeing adding copper powder into the concrete mix and processing it with a catalyzer (salt). The created through a chemical reaction spreads and stays firmly in the concrete mix. Other metal powders can be used such as, iron and n...
  • Arsenic Laced Wood
    270 words
    Arsenic -laced wood is a widely used type of lumber used to build wooden decks and playgrounds. Starting at the end of 2003, this wood will be phased out of production. Arsenic, along with other chemicals, is broadly used as an additive in pressure-treated lumber by do-it-yourselfers to assemble decks, fences, and playgrounds. Only, the accepted wood has come under fire recently among reports that arsenic from the wood can transfer from the wood to children's hands as they play on playgrounds an...
  • Research Of Environmental Estrogens
    364 words
    1. Environmental estrogens are a variety of natural compounds, and synthetic chemicals that are like the female sex hormone, estrogen. Hormones are the chemical messengers of the body's endocrine system. Environmental chemicals alter the function of the endocrine system by imitating and either triggering or blocking a response to the body's natural hormones. 2. Environmental estrogens occur in nature and may be found in plants, or in one's diet. Synthetic environmental estrogens, can be found in...
  • Used Method Of Control
    923 words
    Biological Control (weed): Kahili Ginger Wild ginger is fragrant, leafy, rhizomatous, semi-tropical perennial herb which can grow up to two meters tall. It has a magnificent display of large conspicuous yellow flowers in late summer, followed by scarlet seeds in capsules. In the early 1890's Kahili ginger (Hedychium gardnerianum) was introduced to New Zealand as an ornamental plant. Kahili ginger is a native of India and the lower slopes of the Himalayas in Nepal. It produces massive branching r...
  • Used As Fertilizers And Anhydrous Ammonia
    735 words
    Anhydrous Ammonia is a very distinctive and important compound. Some call it a harmless fertilizer which farmers use to help grow and fertilize crops. Other may call it destructive or dangerous to the environment; in other words, a threat. Causing water pollution by toxic fluids running off into coastal waters and into storm drains and air pollution releasing toxins into the air while producing this deadly chemical, anhydrous ammonia been called many things. Anhydrous ammonia is a man-made produ...
  • Chemistry And Biology
    537 words
    Why is knowledge of chemistry important to biology? Maier, Scott Advanced biology 10/7/99 Biology is the study of all living things and chemistry is the study of chemicals and their interactions. So, how are they related? Our bodies are made up of hundreds and hundreds of chemicals. We just don? t think of them like that. Did you ever wonder how your body turns food into energy? It's a chemical reaction. That's chemistry involved in biology. Our bodies have hundreds more chemical reactions. A ch...

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