Organic chemistry is the study of essentially all substances containing carbon. Organic compounds that contain only carbon and hydrogen are called hydrocarbons. The simplest hydrocarbons are the alkanes which contain only single covalent bonds. Methane is the simplest alkane. It is also the major component of natural gas. Methane contains only 1 carbon in the molecular formula and the structural formula. There is ethane which is 2 carbons‚ propane that is 3‚ butane which is 4‚ pentane which is 5
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Ernest Rutherford Born on August 30th‚ 1871 in New Zealand‚ Ernest Rutherford accomplished to be one of many successful chemists throughout the world in the 19th and the 20th centuries. With his brilliant experiments he explained the puzzling problem of radioactivity and the sudden breakdown of atoms. In addition‚ he determined the structure of the atom and was first to ever split it. Rutherford’s great mind triggered innovations of new technology such as the smoke detector that saves many
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greatest innovation in science‚ or the cause of death. Radioisotopes are isotopes that are produced artificially or naturally through the process of synthesis and separation. These combinations of protons and neutrons are unstable and give off a radioactive wave. Radioisotopes can be used for many different functions such as an atomic bomb or to help in the field of medicine. They are very important and without them‚ doctors would have lost a very important tool. In the field of medicine‚ radioisotopes
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Write about the ways Tennyson tells the story in ‘Tithonus’ Tennyson tells the story of Tithonus with very mixed emotions. One minute he is in the depths of despair‚ and next confessing his desire for his lover. In Tithonus‚ a variety of techniques are used to show the narrator’s thoughts and feelings. One of the techniques involved is repetition. ‘Ay me! ay me!’ This repetition hints at how strong his despair is‚ slowly decaying but not dying as an immortal. The exclamation marks show that
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for processing liquid radioactive waste water using membrane techniques to single out only radioactive waste components without affecting the salt ballast. This solution dramatically reduces the amount of radioactive concentrates to be long-term storage‚ and provides an opportunity to re-use treated water and chemicals. Keywords. Liquid radioactive waste‚ radioactive waste water purification‚ reverse osmosis‚ selective extraction of radionuclides. Introduction. To radioactive waste are not subject
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therefore the electric current – to fall‚ which sets off an alarm. III) This type of smoke detector is more common because it is inexpensive and better at detecting the smaller amounts of smoke produced by flaming fires. Tracers I) Gamma ray. II) Radioactive isotope‚ usually injected into the patients’ bloodstream for the purpose of imaging some part of the body. The radiographer puts a detector around the body to detect any gamma rays or beta particles that pass out of the patient’s body. Nuclear
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Radiation Exposure Do you know much radiation you are exposed to everyday? Many people are not aware of the radiation levels around them on a daily basis. I believe that exposure to radiation should be minimal. I think protection and prevention is vital. Being aware of the health risks and what can be done to protect yourself should be a well known piece of knowledge. If followed‚ this knowledge can help reduce radiation exposure levels. Exposure to radiation is higher today than it has ever
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Introduction Energies are many folds‚ they are available naturally‚ and are also made available through science and technology in different ways‚ intended for the purposes we desire. This light that enables us to see‚ the x-rays (which gives us pictures of bones and soft tissue)‚ the gamma and ultraviolet rays (which are used for sterilization)‚ infrared‚ the microwave (microwave ovens and cell phones)‚ radio waves‚ extremely low frequency waves etc. are all packed in the radiation that emanates
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The Uses and Health Related Claims Made for Radium during the Early 1900s During the early 1900s‚ newly discovered radium was quite popular. People were awed by its mysterious properties rather than it lethal affects. Many uses were found for its luminescence when mixed with a phosphor. Initially‚ radium was widespread among everyday necessities such as toothpaste‚ hair tonic‚ ointments‚ elixir etc. Furthermore‚ radium was also one of the first cancer treatments; it was used as a radiation source
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1. On January 16‚ 1992‚ two agents from the United States Department of the Interior‚ Elliott and Dan Haas used a thermal imaging device to scan the home of Danny Lee Kyllo of Florence‚ OR. The device was known specifically as an Agema Thermovision 210 imager‚ which detected various levels of radiating heat. The two agents had suspected Kyllo of growing marijuana in his portion of the triplex he lived in due to information they had received from neighbors. At 3:20 am the men took several minutes
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