Making an Activity Series of Metals using different Solutions Purpose/ Hypothesis: The purpose of this lab was to clearly identify the reactivity of magnesium‚ zinc and copper. The metals reactivity will be exemplified as it will be tested with different solutions such as zinc sulfate (ZnSO4)‚ copper sulfate (CuSO4)‚ hydrochloric acid (HCL)‚ magnesium sulfate (Mg2SO4)‚ iron (II) sulfate (FeSO4) and tin (II) chloride (SnCl2). This will allow us in creating an activity series to visually see the reactivity
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Debbie Reynolds Died Just After One Day After Daughter Carrie Fisher Hollywood legendary star Debbie Reynolds and an Oscar-nominated has died just after one day after the death of her Hollywood star and fame actor daughter Carrie Fisher - Debbie Reynolds a wonderful and most popular star of 1950s – 1960s‚ a comedian star. The actress Debbie Reynolds was too much sad over the death of her own daughter ‘Carrie Fisher’ and that she added the words that “she wanted to live with Fisher again” just before
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Metals and alloys. Hume-Rothery rules. 1. Three types of metals. 2. Alloys. Hume-Rothery rules. 3. Electrical resistance of metallic alloys. 4. Applications of metallic alloys. 5. Steels. Super alloys. 6. Electromigration in thin wires. Three types of metals Metals share common features that define them as a separate class of materials: • Good thermal and electrical conductors (Why?). • Electrical resistance increases with temperature (Why?). • Specific heat grows linearly with temperature
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مدرستنا الثانوية اإلنجليزية‚الشارقة OUR OWN ENGLISH HIGH SCHOOL‚ SHARJAH A GEMS SCHOOL CHEMISTRY WORKSHEET TOPIC: METALS AND NON-METALS GRADE:8 Note: Revise the symbols and valency of metals and non-metals. Q1.What would you observe when you put a) Some zinc pieces into blue copper sulphate solution? b) Some copper pieces into green ferrous sulphate solution? c) An iron nail into blue copper sulphate solution? Q2.Complete and balance the following equations: a) Zn + O2 b) Pb + O2 c) Cu
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conducting surface with a thin layer (seldom more than 0.001 in [0.025 mm] thick) of metal by electrolytic deposition. In electroplating‚ the object to be plated is made the cathode in an electrolytic bath of salts of the metal to be plated. The anode may be an unaffected metal‚ or‚ more commonly‚ the metal to be plated. An electriccurrent is passed through the solution‚ which results in the deposition of a thin metal plating in the desired thickness on the cathode. Traces of organic materials are usually
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study the flow over a sphere.The flow around the bluff body was characterised using smoke test‚ and the region of flow separation was analysed. The drag characteristics of 3 spheres of different diameters were studied for a wide range of Reynolds number. The Reynolds number at which the transition occurs is strongly dependent on the degree of turbulence in the wind tunnel. Based on the following tests‚ the quality of the wind tunnel was determined. The turbulence level in the wind tunnel was experimentally
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Adapted from: Lawson‚ Anton‚ & Birk‚ James. Chemistry - A Learning Cycle Approach. 1991. Arizona State University. Unit 15 Investigation Why do Metals Corrode? Introduction As Head Chemist at Continental Container Corporation‚ you have just received a huge order from Allied Chemical to manufacture one thousand containers. Allied Chemical needs the containers for storage of five kinds of aqueous nitrate solutions. The aqueous nitrates are copper (II) nitrate‚ lead (II) nitrate‚ zinc
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Module One: Grade Nine Topics Physical Change: This is a usually reversible change in which the form of matter is altered‚ but is not chemically changed to another substance. Melting an ice cube is an example of a physical change. The ice cube changes states: from a solid to a liquid (water). You can physically see this change. No new substance is formed: the matter in the liquid is the same as it was in the ice cube. It is reversible: you can freeze the liquid to turn it back to ice.
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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 its use in food production particularly in an industrial area. An attempt is made here to study toxic metals such as Cr‚ Cu‚ Ni‚ Pb‚ Zn‚ including Ba‚ Co and V in representative soil samples from Patancheru industrial area near Hyderabad‚ Andhra Pradesh. It is a known
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attraction between two oppositely charged ions. Ionic bonds are formed between an metal and a non-metal. The metal loses an electron or electrons form its highest energy level becoming a positively charged Ion and the non-metal gains an electron or electrons in its highest energy level‚ becoming a negatively charged Ion. Covalent bonds are strong bonds between two non-metal atoms. A covalent bond forms when two non-metal atoms share a pair of electrons. The electrons involved are in the highest occupied
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