Kiley O’Toole Lab Report 3 Purpose The purpose of this lab was to uncover the number of layers of zinc atoms around a piece of galvanized iron. This was done by pouring the hydrochloric acid onto the galvanized iron‚ thus removing the zinc from the piece of metal. Laboratory Procedure 1. Measured and recorded the mass of a piece of galvanized iron using a centigram balance and a ruler 2. Measured and recorded the length and width of the galvanized iron using the ruler 3. Put the
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solute atoms take up positions of solvent atoms in the crystal lattice. If the two metal atoms are about the same size and have the same crystallographic structure‚ then the two metals may form a solid solution. Brass‚ an alloy composed of copper and zinc‚ is an example of a substitutional alloy. Alloys have different applications depending on their properties. The various types of steel and iron are all alloys classifiable by their content of other materials. For instance‚ wrought iron has a very
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Hexagonal wire netting:http://www.huixinwiremesh.com/hexagonal-wire-netting-27.html is shaped metal wire woven mesh (hexagonal) created of barbed wire‚ wire diameter is diverse in line with the size of hexagonal. If it really is zinc coated wire metal Hexagon‚ wire diameter is utilised for v to 0.3mm v wires‚ if it’s a PVC-coated woven hexagonal wire mesh wire‚ use v to 0.8mm v PVC outdoors diameter (metal) lines. Screw in to the hexagonal shape‚ lines at the edge of your bounding box can be unilateral
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necessary for growth of plants. Some of these are explained below: Manganese- Functions with enzyme systems in the plant which are involved in breakdown of carbohydrates‚ and nitrogen metabolism. Iron- Essential for formation of chlorophyll. Zinc- Regulates the consumption of sugar in the plant (sugar=energy!) Boron- Aids production of sugar and carbohydrates Copper- Important for reproduction of plant- ie fruit and flowers Molybdenum- Helps the plant capture nitrogen There
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blue Part V: Formation of copper metal Weight of Zn added: 1.107g *The professor also added some mossy Zinc. Weight unknown. Observations of copper (II) sulfate when 1.107g of Zinc was added: The solution turned from blue to cloudy dark blue-ish. With continued stirring it turned a dark red-brown. The reaction was not happening properly‚ so the professor added a small pinch of mossy Zinc. Part VI: Recovery of copper metal Weight of dry casserole dish: 59.608g Weight of cooled casserole
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1820s. Davy’s advice was sought by the Royal Navy in investigating the corrosion of copper sheeting used for cladding the hulls of naval vessels. Davy found that he could preserve copper in sea water by the attachment of small quantities of iron or zinc; the copper became‚ as Davy put it‚ “cathodically protected”. The
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How Batteries Work TOPIC: Explanation of how batteries work SPECIFIC PURPOSE: To inform the audience how a battery works on a scientific level THESIS STATEMENT: A battery is essentially a can full of chemicals in which chemical reactions take place to allow for the flow of electrons. Introduction I. Batteries are everywhere. They are in our cell phones‚ our flashlights‚ our cars‚ our laptops. (Attention getter) II. Life as we know it is made possible largely by batteries. III
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contact with salt water‚ and acid rain. We chose to see what would happen to various metals when they contacted with salt water. When the electrons move around in the salt water‚ it causes the metals to rust. The metals we chose were iron‚ copper‚ lead‚ zinc‚ and aluminum. Those are some of the most commonly used industrial metals. We got the salt water directly from the beach‚ so that we would get the same reaction if this happened in real life. The chemicals that are
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Company in … Fletcher Mine and Mill is an active lead-zinc mine located near 75‚ Missouri. It has 168 employees and is operated by The Doe Run Company. Hafna Lead Mine Ruins. The Hafna Lead Mine mill was … Hafna Lead Mine Ruins. The Hafna Lead Mine mill was built in 1879 but the quarry dates back to an earlier period. Wales. 5 m. Ore bins Brushy Creek Mine/Mill (Active)-The Doe Run Company … Brushy Creek Mine/Mill is an active lead-zinc mine located near Reynolds‚ Missouri. It has 139 employees
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.... (b) water from aqueous magnesium sulfate .................. (c) glycine from a mixture of the amino acids‚ glycine and lysine ................... (d) iron filings from a mixture of iron filings and water .................. (e) zinc sulfate crystals from aqueous zinc sulfate .................. (f) hexane from a mixture of the liquids‚ hexane and octane .................. [1] [1] [1] [1] [1] [1] [Total: 6] 2 Selenium and sulfur are in Group VI. They have similar properties. (a) One of the main uses
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