GLS 100 Minerals and Mineral Resources The diamond is a rare mineral that is used for many different things in today’s world. Diamonds are composed of carbon know as the chemical symbol C. In a diamond the carbon atoms are covalently bonded to one another. The physical properties of the diamond consist of colors of yellow‚ brown‚ gray‚ white‚ blue‚ black‚ reddish‚ greenish and colorless. The luster is adamantine to waxy. The specific gravity is 3.5‚ which is about the average for a mineral.
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to industrialize its economy. 2. No matter how “pollution free” the new car design was‚ the cumulative environmental effects of that many more automobiles in the world would be formidable. Even clean cars would have to generate large amounts of carbon dioxide as they burned fuel‚ thus significantly worsening the greenhouse effect. 3. If China were to increase its oil consumption‚ it would have to import all its oil from the same countries that other nations relied on. 4. If China were to
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developed recklessly at the expense of the environment. The world has seen huge increases in consumption of the Earth’s scarce resources ever since the Industrial Revolution in the 1800s and countries‚ especially the developed countries‚ imprudently emit carbon and other pollutants into the environment‚ causing climate change. However‚ since the 1990s‚ the world has begun to realise the importance of safeguarding man’s only habitat and have shown greater willingness to protect the environment despite the
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Part 1. Hydrocarbon Nomenclature From International Union of Pure and Applied Chemistry (IUPAC) General Form of IUPAC Nomenclature [branching substituent(s)] Root [Suffix] Rules: 1. Identify the longest continuous chain of carbon atoms. This chain determines the parent name (root) of the alkane. The parent suffix for alkanes is‚ not surprisingly‚ -ane. For chains of equal length‚ pick the one with the most substituents. (Note: I number all possibilities going from left to right
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only carbon and energy source in a saline environment. Besides‚ we demonstrated for the first time the 4-HBA and BA degradation ability of H. sp. KHS3. Several Halomonas strains have been described as efficient aromatic compounds degraders (Alva and Peyton‚ 2003; García et al. 2004; García et al.‚ 2005; Oie et al.‚ 2007; Dastgheib et al.‚ 2012; Piubeli et al.‚ 2012a‚ 2012b). For example‚ H. organivorans is characterized by its ability to use a wide range of organic compounds as the only carbon source
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HISTORY OF CUTTING TOOL MATERIALS • Cutting tool used during the industrial revolution in 1800 A.D • First cutting tool was cast using crucible method (1740) and slight hardened by H.T. • 1868: R. Mushet found by adding Tungsten we can increase hardness and tool life ( Air Quenching) • F.W.Taylor in Pennsylvania did the most basic research in metal cutting between 1880-1905 • Invented high speed steel (better H.T. process) • Better alloy
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on this relatively revolutionizing and satisfying solution of energy storage through Paper Batteries and provides an in-depth analysis of the same. A paper battery is a flexible‚ ultra-thin energy storage and production device formed by combining carbon nanotubes with a conventional sheet of cellulose-based paper. A paper battery can function both as a high-energy battery and super capacitor ‚ combining two discrete components that are separate in traditional electronics . This combination allows
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which are the O- and N- of sodium saccharin are not solvated therefore are “naked” and the reaction is not inhibited and preceded in an accelerated rate. The reaction was an SN2 reaction. Since the Oxygen and Nitrogen are more electronegative than the carbon on which they’re attached electrons are pulled towards O- and N- attracting the ethane from Iodoethane. Iodine being more electronegative breaks off from ethane and joins the Na+. Since‚ the Oxygen of sodium saccharin is more electronegative than
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of The Elements By Derrick Deacon - There are 92 naturally occurring elements‚ only 17 of them make up 99.5% of the earth’s crust (including oceans and atmosphere). - In living things (plants‚ animals‚ people) the six most abundant elements are carbon‚ hydrogen‚ oxygen‚ nitrogen‚ phosphorus and sulfur. - The universe is dominated by the elements hydrogen (83%) and helium (16%) 1. The Crust The outside of the earth is a thin crust which is approximately 20 to 40km thick. The crust is a formation
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Another friend of Libra Dexter Patrick S. Baltazar Pre-test: Chemical balancing Instruction: Balance each chemical equation by adding a correct coefficient to it. Question 1 __ SnO2 + __ H2 → __ Sn + __ H2O Question 2 __ KOH + __ H3PO4 → __ K3PO4 + __ H2O Question 3 __ KNO3 + __ H2CO3 → __ K2CO3 + __ HNO3 Question 4 __ Na3PO4 + __ HCl → __ NaCl + __ H3PO4 Question 5 __ TiCl4 + __ H2O → __ TiO2 + __ HCl Question 6 __ C2H6O + __ O2 → __ CO2 + __ H2O Question 7 __ Fe + __ HC2H3O2 → __ Fe(C2H3O2)3 +
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