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Essays for Science: Chemistry

  1. A Nuclear Reactor
    The term Nuclear Reactor means an interaction between two or more Nuclei, Nuclear Particles, or Radiation, possibly causing transformation of the nuclear type; includes, for example, fission, capture, elastic container. Reactor means the core and...
    • 1616 Words
    • 7 Pages
  2. Air Pressure
    Air is composed of molecules. Air is matter. It has mass and takes up space. Air is composed of different gases such as nitrogen, oxygen, carbon dioxide, water vapor, and other gases. Air molecules are in constant motion. As they move, they come in...
    • 440 Words
    • 2 Pages
  3. Aluminum
    Dear Xavier, Hello buddy! How is the weather in Paris? It is extremely cold in New York and there is snow all over the place. The reason I am writing is to give you the information you wanted on aluminum. I have...
    • 1359 Words
    • 6 Pages
  4. Cfc
    The beginning of the CFC(chlorofluorocarbons) era started in 1928, when CFC' were invented by a Du Pont chemist. CFC' were best known as "freons" and became famous as a safe, nonflammable refrigerant. It's invention became a great triumph when...
    • 1028 Words
    • 5 Pages
  5. Chemical Reactions
    are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter...
    • 2089 Words
    • 9 Pages
  6. Ecstasy: Greater Affects On Women?
    Ecstasy: Are Women More Susceptible To Brain Damage? The rave scene. It’s becoming a popular way to ‘kick-back’ for high school and college kids. “Everyone” is doing it at parties. Unfortunately, this party isn...
    • 748 Words
    • 3 Pages
  7. Gold
    was discovered around 3000 BC to 1200 BC. Gold probably was found on the ground and used by prehistoric man as a tool. Highly sophisticated gold art objects and jewelry discovered by archaeologists in the Royal Tombs at Ur, in what is now...
    • 495 Words
    • 2 Pages
  8. Plutonium, Our Country's Only Feasible Solution
    Abstract: Should we begin to manufacture one of the most destructive and infamous substances on the face on the Earth once again? The engineers say yes, but the public says no. The United States stopped making this element with...
    • 2446 Words
    • 10 Pages
  9. Salinity Changes
    I chose to experiment with the effects of salinity changes on the polychaete, Nereis succinea. Along with the other members of the group, Patty and Jeremy, I was curious to see whether the worms would engage in adaptive behavior when placed in a...
    • 1917 Words
    • 8 Pages
  10. Sodium Sodium (Na)
    Sodium has an atomic number of 11 and a mass of about 23g. It is a silvery white-metallic element classified under the alkali metals. Sodium has been known since early times and was used by the people of Mesopotamia and Egypt to make glasses...
    • 723 Words
    • 3 Pages
  11. Wild Bill’S Wild Bohr Quiz
    Niels Bohr’s model of the hydrogen atom, was the primary reason for the understanding of energy levels.Bohr was able to explain the bright line spectrum of hydrogen. Sparked by the recent discovery of the diffraction patterns, scientists...
    • 371 Words
    • 2 Pages