ANALYSIS On the first part of the experiment which is the determination of specific heat of metals. The obtained value of experimental specific heat of metal of aluminum and copper are 0.2152 calg-℃ and 0.0958 cal g-℃ ‚ respectively. It is a must to work faster in performing this experiment because working in an air-conditioned room greatly affects the result of the temperature. For the temperature values‚ the final temperature of mixture should not increase more than 1 ℃ compare
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Chemistry assignment Introduction: Throughout modern day society metals are constantly used‚ in fact mankind has been heavily dependent on metals for the last several hundred years. But the science behind metals has only been discovered in recent years and has now become known to people that we simply could not live without them. Metals make up around 80% of the elements (currently discovered). They are used in everyday items that society depends on‚ such as: cars‚ re-bars for building‚ window
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Introduction To Biology | Heavy Metal Contamination In Rivers | Submitted To: Dr. S. M. Mostafa Kamal Khan (SKK) Assistant Professor Department of Life Sciences Submitted By: Sumaiya Murshed (101 0661 030) Kasema Sadeque (101 0154 030) S.M. Sifat Jamil (101 0338 030) Date of Submission: 5th April‚ 2011 Nabeela Polli ( 101 0212 530) Executive Summary A heavy metal is a member of a loosely-defined subset of elements that exhibit metallic properties. Heavy metals are simply a certain class
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Aluminum A light metal used in making airplanes‚ buildings‚ pots and pans‚ etc. Bromine Used in photography‚ medicines‚ insecticides‚ etc. Calcium A soft‚ metallic chemical element found in limestone‚ marble‚ chalk‚ etc. Carbon Found in coal‚ oil‚ gas‚ living things‚ and inks. Chlorine Used in bleach‚ in chemical to kill germs in swimming pools‚ and found with the element sodium in table salt. Chromium A shiny metal usde on bumpers of some cars‚ household fixtures‚ etc. Copper A metal used for electric
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transfer heat away from the computer’s processor. Heat sinks are usually made of metal‚ which serves as the thermal conductor that carries heat away from the CPU. However‚ there are pros and cons to using every type of metal. First‚ each metal has a different level of thermal conductivity. The higher the thermal conductivity of the metal‚ the more efficient it is at transferring heat. One of the most common metals used in heat sinks is aluminum. Aluminum has a thermal conductivity of 235 watts per
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elements through tests and then being able to organize the metals‚ nonmetals‚ and semimetals on the periodic table. The purpose of this lab was achieved. As a class we were able to take the elements and then test them to find out their individual properties. We were then able to distinguish if the element was a metal or nonmetal based on the property’s we found. We then placed the elements on our own periodic table sorted by atomic order. One metal that I tested was magnesium. I observed that this element’s
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Probes and catheters Catheters‚ drains Biomaterials can be classified from the point of view of the problem area that is to be solved (Table 1)‚ the body on a tissue level‚ an organ level (Table 2)‚ or a system level (Table 3). Also classified as metals‚ polymers‚ ceramics and composites (Table 4). Table 2 Biomaterials in Organs Organ Examples Heart Lung Eye Ear Bone Kidney Bladder Cardiac pacemaker‚ artificial heart valve Oxygenator machine Contact
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Crown‚ Cork and Seal Case 1989 Five Forces Analysis Using Porter’s 5 Forces Analysis argue that given likely evolution and status of the metal industry in 1989‚ it is profitable to acquire all or part of Continental Can: Internal Rivalry Strong force 5 major competitors holding 61% (American National Can‚ Continental can‚ Reynolds Metal‚ Crown Cork and Seal‚ Ball Corporation) Heavily compete on basis of price Companies offering volume discounts Industry operating margins falling – fell
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47 and symbol Ag. It is white‚ soft‚ mallable and ductile metal slightly harder than gold. Silver is extremely flexible‚ this means that it can be converted into both flat sheets and electrical wire. This makes silver is an ideal metal for all kinds of industrial use. Silver occurs in lead‚ Zinc and copper ore deposits. Lead ore is the main source of Silver. In fact‚ 75% of the resources in the world are found in association with other metal ores. The most important mineral is argentite‚ Sulphur Sulphide
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Physics 215 Winter 2002 Introduction to Modern Physics Prof. Ioan Kosztin Lecture #23 Solid State Physics • Bonding in solids (metals‚ isolators‚ semiconductors) • Classical free electron theory of metals • Quantum theory of metals • Band theory of solids • Semiconductors • Lasers Classification of solids • Phases of matter: • solid (well defined shape and volume) • liquid (only well defined volume) • gas (no defined shape or volume) • plasma (an overall neutral collection of charged
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