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Chemistry Essay

Elements, Mixtures and Compounds
Iron sulfide however will require a chemical reaction to separate the iron and sulfur (Leong & Aik, 2009).An element cannot be further broken down chemically, while a compound can be broken down into individual components or elements using chemical reactions specific for that compound. For example, heating mercuric oxide, which is a compound, over a Bunsen flame, will result in the decomposition and separation of mercuric oxide into mercury and oxygen. However, mercury and oxygen, which are
Pages: 4 (1000 words), Essay
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Energy transfer and thermodynamics
The revelation of conceptsregarding internal energy is the typical unique attribute of the initial law of thermodynamics.The second law of thermodynamics states that, the entropy of an isolated system that is not in equilibrium will be liable to increase over time, approachinga highest value at the equilibrium point.tus it portrays an assertion that the irreversibile nature of natural progressions, and the propensity of natural processes to pilot towards spatial consistency of matter and
Pages: 7 (1750 words), Essay
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Effect of electromagnetic radiation on human health
These produce high-intensity magnetic field. High frequencies are caused by antennas or radar. Previous studies used numerical techniques, for example, the studies of Gandhi et al. which induced current density in human body tissues by means of the impedance method (qtd. in Dughiero, Forzan and Sieni 1553).Electric and magnetic fields’ negative consequence on the human body vary due to different frequencies received. Reilly indicated that a low frequency of 100kHz can provide nervous
Pages: 8 (2000 words), Essay
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Energy Generation and conservation in Fuel Cell
In addition, the fact that they can be renewed by reuse of the products makes them quite environmental friendly. As a result, the energy of the ecosystem remains balanced as no waste exits from the cycle. Therefore, it has turned out as the most drastic move in maintaining the environment by ensuring that the energy in it is conserved. The general conclusion is that the fuel cell has changed the human life by ensuring that the rate of environmental pollution is minimal.In addition, the fuel
Pages: 4 (1000 words), Essay
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