measurement of thermal conductivity & one-dimensional heat conduction experiment was to identify three different metal specimens by comparing their experimentally determined thermal conductivities to known thermal conductivity values of existing metals. The second objective of the experiment was to establish a connection between the thermal conductivities & temperatures of the metal specimens. Thirdly‚ the contact resistance of the interfaces between the specimens was to be determined. II.
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PRE-LAB Title: Density of Metals – Shot Lab Purpose: The purpose of this lab is to find out the density of different metals using their mass and volume. If the volume and mass for the metals Nickel and Copper are found‚ then we can figure out the density. Materials: Metal shot Plastic rinse bin Electric Balances Calculator Graduated Cylinders Water Wire Gauze Weigh Boats Pre-lab Questions: 1) The volume of the water is 43.0 mL 2) The volume of the metal shot and the water is 73.0
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the chemical symbol Fe‚ is an extremely useful metal and the most common element 0n the planet Earth. Here are some of the more common uses of iron in the world today. Uses of Iron * Iron catalysts are used in the Haber-Bosch Process to produce ammonia and the Fischer-Tropsch Process to convert carbon monoxide to hydrocarbons used for fuels and lubricants. * Iron metal is strong but is also quite cheap. Therefore‚ it is the most common metal in use today. Most automobiles‚ machine tools‚
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increase/decrease in rust and corrosion when dipped in different solutions. Corrosion is the reaction between a metal and it’s surrounding environments. Corrosion occurs when a metal (for example Copper) and different environments (such as water‚ air‚ acids‚ bases‚ etc.) come into contact. Corrosion is the act of deterioration in metals.[1] A chemical reaction occurs between the metal and it’s environments Eg. Copper + Oxygen ( Copper Oxide Cu (I) + O ( CuO Rust is very similar to corrosion
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mine which is located in Kalgoorlie‚ Australia‚ which mines for Bismuthas a side business. . Bismuth is removed and separated from ores known as Bismuthinite and Bismite. It is also collected as a by-product from other metal ore processing. . The separation of bismuth metal from lead has two processes‚ the Betterton-Kroll Process or the Betts Process. 1.The Betterton-Kroll Process separates bismuth from lead through the introduction of calcium or magnesiuminto a molten solution of the lead and
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reliability of the activity series of metals by testing in solution‚ confirming if the activity series was correct with its predictions. Hypothesis: It is predicted that the metals in solid form will displace metals in solution if located higher over the other within the activity series chart. Materials: 10 test tubes Test tube holder Metals in Solid Form 1. Aluminum 2. Iron 3. Zinc 4. Magnesium 5. Zinc 6. Aluminum 7. Copper 8. Tin 9. Lead 10. Iron Metals in Solution 1. CuCl2 2. MgCl2
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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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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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IGCSE Complete Chemistry Notes Unit 1: States of matter Everything is made of particles. Particles in solid are not free to move around. Liquids and gases can. As particles move they collide with each other and bounce off in all directions. This is called random motion. In 2 substances‚ when mixed‚ particles bounce off in all directions when they collide. This mixing process is called diffusion. It’s also the movement of particles without a force. The smallest particle
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