A natural resource can be defined as an item that after necessary processing or manufacture is useful and hence meets the needs of the society. Natural resources can be divided into two categories. Renewable and non-renewable. Renewable resources are those which after use will be replenished‚ if used appropriately. Non-renewable resources are those which come in finite stocks‚ therefore will eventually run out. Generally‚ natural resources are spread unevenly over the globe. That is in some areas
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made from the crops. It is produced from domestically grown‚ renewable sources‚ such as crop oils or animal fats which are then chemically converted into biodiesel (Habmigren‚ 2003). Unlike diesel‚ biodiesel contains no petroleum products and free of sulfur compounds and aromatics (Habmigren‚ 2003). Until today‚ it is still the only alternative fuel for motor vehicle. The biodiesel blends have ranged from 2/98% (B2)‚ 20/80% (B20)‚ to 100% (B100) (Hafman‚ 2003). The reasons biodiesel is a viable alternative
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Discuss different strategies for producing wine with low or no SO2. Is there global demand from consumers for such wines? SO2‚ sulfur dioxide has been considered as one of the essential additives for making sound wine‚ which acts as antioxidant and antiseptic. History of sulfur in wine dates back to Roman times when they discovered that wine was kept fresh by burning sulfur candles inside empty wine vessels. However‚ the number of wines produced with low or no SO2 is increasing in these 10 years‚ and
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Nitric acid is a highly reactive oxidizing agent used in making fertilizers‚ explosives‚ and rocket fuels‚ and in a wide variety of industrial metallurgical processes. It is also a component of acid rain. Its chemical formula is HNO3 and it has been known as “aqua fortis”‚ which means strong water‚ to alchemists. It is a transparent‚ colorless to yellowish‚ fuming corrosive liquid. Nitric acid is a strong acid and therefore it completely dissociates in water. It has a gravity of 1.41 and the concentration
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Biller Essay November 2‚ 2009 Argument Essay Almost everyone enjoys taking a bicycle ride on a beautiful summer day. Many towns have wisely spent their money on building a bike trail. Mt. Pleasant‚ the town I live in‚ has never had a bike trail that I can remember of until recently. The town constructed a historical trail approximately fourteen miles long called the Coke and Coal Trail. Although it is a very grand trail already‚ it is still only new. The serious issue at hand is the many problems
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Ionic Bonds: Charged amino acids (Lysine and Aspartic acid are examples). Opposite attract. Little stronger than hydrogen bond but weaker than the bond between polypeptides 4) Disulfide bond: Only occurs between 2 cysteine amino acids. Forms sulfur sulfur link (disulfide like). Strong interaction. Bovine Spongiform Encephalopathy protein misfolding ● ● ● ● Better known as Mad Cow Disease Cause by an abnormal form of prions which are proteins Slowly progressive disease that affects a cow’s central
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11 See also * 12 References * 13 External links | [edit] Pollutants Main articles: Pollutant and Greenhouse gas Before flue gas desulfurization was installed‚ the emissions from this power plant in New Mexico contained excessive amounts of sulfur dioxide. Schematic drawing‚ causes and effects of air pollution: (1) greenhouse effect‚ (2) particulate contamination‚ (3) increased UV radiation‚ (4) acid rain‚ (5) increased ozone concentration‚ (6) increased levels of nitrogen oxides An air
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Assessment 1) Describe the difference between ionic and covalent bond. Ionic bonds have electrostatic forces that hold cations and anions together‚ and are electronic neutral. Covalent bonds are bonds that don’t give or take any electrons. In stead they share the elctrons 50) Which of these compounds contain elements that do not follow the octet rule? Explain. a) NF3: 5 + (7*3) = 26 b) PCl2F3: 5 + (7*2) + (7*3) = 40 c) SF4: 6 + (7 *4) = 24 d) SCl2: 6 + (7*2) = 20 The answer is “d”
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inadvertently.” It is a mixture of sulphur‚ saltpeter‚ and charcoal.We still use gunpowder today in grenades‚ rockets‚ guns etc. Usually‚ gunpowder is used for military purposes to defend our country. It is a mixture of sulfur‚ charcoal‚ and potassium nitrate (saltpetre)—with the sulfur and charcoal acting as fuels‚ while the saltpeter works as an oxidizer. For example‚ In guns‚ gunpowder burns but it burns very quickly. It’s very reactive with oxygen. When enough heat is applied‚ either externally or
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amount of greenhouse gases emitted. Otherwise the amount of greenhouse gases could not be monitored. An example of the attempted preservation of the environment may be‚ that an industry may only emit a tone of sulfur dioxide over a year but‚ next year the permit will lower the amount of sulfur that is allowed to be produced. Thus‚ firms most invest more money into machinery that is more environmentally friendly. Since tradable permits can be traded‚ the permit will move
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