Theory behind my experiment Thickness (cross sectional area of the wire)‚ length‚ and temperature all have some effect on the amount of resistance created in a wire. Another factor is the conductivity of the material we are using. Some metals are just more electrically conductive than others. As long as I use the same type of metal for each wire‚ my experiment will remain fair. Cross Sectional Area The thicker the wire‚ the less resistant it is. This is because there are more electrons
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The industrial separation process that I have decided to do is gold separation. Gold separation can be done in a number of ways but there is not always one way to do it‚ but the combination of a couple of these processes to extract pure gold. Gold is obtained form the lithosphere. It is separated from the ore found in the lithosphere. Gold’s symbol is Au. Its atomic number is 79 and has an atomic mass of 196.96655 amu. Its melting point is 1064.43°C‚ while its boiling point is 2807.0 °C. It is
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1. SELECT PARTNUMB‚ PARTDESC FROM PART Query1 | PARTNUMB | PARTDESC | AX12 | IRON | CX11 | MIXER | WHERE UNONHAND BETWEEN 100 AND 200 2. SELECT PARTNUMB‚ PARTDESC‚ (UNITPRCE*UNONHAND) ONHANDVALUE FROM PART WHERE VALUE >= 1000 Query1 | PARTNUMB | PARTDESC | ONHANDVALUE | AX12 | IRON | $1‚866.80 | BH22 | TOASTER | $3‚320.25 | BT04 | STOVE | $4‚432.89 | BZ66 | WASHER | $16‚221.40 | CB03 | BIKE | $8‚250.00 | CX11 | MIXER | $6‚490.40 | CZ81 | WEIGHTS | $22‚669.92
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ALL THAT GLITTERS IS NOT GOLD Outward appearance can be greatly misleading. Gold is a very valuable metal. It has an attractive glittering appearance too. But it does not mean that everything which glitters like gold should be precious. There are utterly valueless things that look like gold and taking them on their face value is unwise. On the contrary‚ some of the dull looking things possess immense value. Their appearance is in no way proportionate to the great value they have. This is true of
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Assessment of soil contamination in Patancheru industrial area‚ Hyderabad‚ Andhra Pradesh‚ India B.Dasaram1*‚ M.Satyanarayanan1‚ V.Sudarshan2 and A. Keshav Krishna1 1National Geophysical Research Institute (Council of Scientific & Industrial Research) Uppal Road‚ Hyderabad-500007 2Department of Applied Geochemistry‚ Osmania University‚ Hyderabad-500007 *E-mail: bdram11@yahoo.co.in Abstract Toxic trace metals concentrations in soil exert a decisive impact on soil quality and
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2. Element X melts in boiling water‚ it fails to react with hydrochloric acid; and 1 cm3 of element X has a mass of 1.8 grams. Is element X a metal or non-metal? Give the reasons for your answer. Element X is most likely a typical non-metal. First of all‚ element X melts in boiling water; non-metals typically have low melting and boiling points. Furthermore‚ element X is unable to react with hydrochloric acid. This greatly indicates that element X is a non-metal as most non-metals fail to
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sulphides in contact with air and water produces sulphuric acid which reduces the pH of water. The result of these reactions is increase in the solubility of heavy metals and consequently pollution of water resources. The Sarcheshmeh copper mine is one of the largest porphyry copper mines in the world which is located in south-eastern Iran. Chemical analysis of over than 600 water samples taken from streams and springs in the mining region and surrounding area of pit showed extensive changes in water quality
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General Chemistry I The Lab Report As a scientist you are responsible for conveying the results of an experiment to a supervisor‚ a colleague‚ or the public. Often‚ you will convey this information in the form of a scientific paper describing your work. This paper needs to clearly describe why and how an experiment was done‚ and it must include an interpretation of results‚ including a discussion of their importance and any significant sources of error. You lab report will be a brief version
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Empirical Formula of Copper (II) Chloride Gabriella Jane Lukas B1401404 HELP University Empirical Formula of Copper (II) Chloride Objectives 1. To validate that the empirical formula of copper (II) chloride is . 2. To calculate the percent composition of copper in copper (II) chloride. 3. To illustrate the Law of Constant Composition in copper (II) chloride. 4. To study the reaction between copper (II) chloride solution and aluminium metal. Introduction One of the most fundamental statements
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A FEASIBILITY STUDY TO AUTOMATE THE SCHOOL SYSTEM OF THE PAMANTASAN NG LUNGSOD NG MARIKINA PREPARED BY: SHIRLEY P. VILLANUEVA DEAN‚ COLLEGE OF INFORMATION TECHNOLOGY GENERAL INFORMATION PROJECT SUMMARY A. NAME OF THE FIRM/PROJECT Pamantasan ng Lungsod ng Marikina / Automated School System B. LOCATION PLMar is located in Concepcion‚ Marikina City. It has two satellite campuses namely Concepcion Elementary School and H. Bautista Elementary School. Classes in the main campus
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