"Sources of sulfur dioxide and oxides of nitrogen" Essays and Research Papers

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    I started with answering the question of what sulfur is. Sulfur is known for being a natural element‚ and being used as a chemical. It is commonly seen as a yellow substance that comes in a crystalized form. It is found in volcanic areas‚ and also deep underneath the ground. My research tells me it makes up “0.05% of the Earth’s crust” (Net). When burned‚ its distinctive odor when burned makes it hard to swallow‚ and can make one suffocate. It has the property of burning very easily‚ and has corrosive

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    Nitrous Oxide

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    Nitrous oxide Nitrous oxide Description Nitrous oxide — an odorless‚ tasteless gas — is an inhalation analgesia that can be used during labor. You administer the anesthetic gas using a hand-held face mask. Nitrous oxide takes effect within a minute. While common in the United Kingdom and Canada‚ this technique is rarely used in the United States. Pros Nitrous oxide alters pain perception. It can be used intermittently or continuously during labor. If you need to have a tear repaired after delivery

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    to tell you that it is nitrogen! One of the biggest users of Nitrogen is all of the plants around the world; especially the crops that we grow for food. This is perhaps why it is one of the most important elements also. All the food around the world comes from the crops that are grown some way or another. However‚ the odorless and colorless gas‚ nitrogen‚ cannot be used in the state found naturally in our environment. The gas has to go through a process called nitrogen fixation. Now‚ the crops

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    Nitric Oxide History

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    The supplement that I chose was Nitric Oxide. This is a very up and coming supplement in the industry and although not many studies have been done on the long term effects many more gym goers are jumping on the band wagon and experiencing the benefits of it. Some history on Nitric Oxide is that it was first discovered in 1772 by Joseph Priestly‚ who called it "nitrous air‚" nitric oxide was first discovered as a colorless‚ toxic gas. Unfortunately‚ the classification of toxid gas and air pollutant

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    Carbon Dioxide

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    Carbon Dioxide is a colorless‚ odorless gas that occurs in small quantities in the earth’s atmosphere naturally. The earth’s ocean‚ soil‚ plants and animals release CO2. The formula of Carbon Dioxide is CO2. The CO2 molecule contains 2 oxygen atoms that each share 2 electrons with a carbon atom to form 2 carbon - oxygen double bonds. The atoms are arranged as so (OHT). This is called a ’linear molecule’. Carbon dioxide is commonly found as a gas and is never a liquid. It sublimes to

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    Nitrogen Fixation

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    mineral nutrients‚ and none is more important than nitrogen‚ which is required in large amounts as an essential component of proteins‚ nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth’s atmosphere - nearly 79% in the form of N2 gas. However‚ N2 is unavailable for use by most organisms because there is a triple bond between the two nitrogen atoms‚ making the molecule almost inert. In order for nitrogen to be used for growth it must be "fixed" (combined)

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    Carbon Dioxide

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    Crystal Lewis 9/21/10 Period 1 Carbon Dioxide Carbon Dioxide is the infrastructure of all life on earth. Every human being and animal needs it to survive‚ making it an essential compound. In order to survive‚ humans and animals must give off carbon dioxide to take in oxygen‚ whereas plants must take in the compound and give off oxygen. Carbon Dioxide has numerous unique characteristics‚ properties‚ and safety measures that everyone should be aware of. Being aware of this compound and what it

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    First of all‚ what is sulfur hexafluoride (SF6)? SF6 is a non-toxic‚ nonflammable and noncorrosive gas. SF6 has almost the same chemical properties of a noble gas and it does not react with other materials. Under standard conditions‚ SF6 is colorless and odorless gas in high electrical components. Furthermore‚ SF6 also inhibits surface erosion and oxidation. It has high partial vapor pressure at both normal and low temperatures. SF6 also has an excellent heat transfer. Its high molecular weight and

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    safety feature in vehicles. Sodium azide‚ potassium nitrate and silicon dioxide have been used in one design of airbag. [Source: www.hilalairbag.net] Sodium azide‚ a toxic compound‚ undergoes the following decomposition reaction under certain conditions. 2NaN 3 (s) → 2Na (s) + 3N 2 (g) Two students looked at data in a simulated computer-based experiment to determine the volume of nitrogen generated in an airbag. (a) Sodium azide involves ionic bonding‚ and metallic

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    Sulfur Chemistry

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    It is ‘thiazolidine-2‚4-dione’ and not thiohydantoins as the reaction product of monosubstituted thioureas and chloroacetylchloride a a a a a The reaction products of monosubstituted phenylthioureas with chloroacetylchloride in a polyethylene glycol (PEG-400) medium and K2 CO3 as base/catalyst at an elevated temperature are exclusively thiazolidine-2‚4-diones and not thiohydantoins as has been reported. The core unit thiazolidine-2‚4-dione is essentially derived from chloroacetylchloride

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