Honors Chemistry Period 2 September 22‚ 2013 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
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song (penny‚ nickel‚ dime‚ quarter) 6. Money flipcharts (penny‚ nickel‚ dime‚ quarter) 7. Money manipulatives (penny‚ nickel‚ dime‚ quarter) 8. Money worksheets (penny‚ nickel‚ dime‚ quarter) 9. Calculators 10. Small items for final assessment “store” activity Task Analysis 1. Review skip counting (2‚ 5‚ 10) 2. Penny activities 3. Nickel activities
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http://www.npr.org/blogs/money/2012/11/15/165143816/why-coke-cost-a-nickel-for-70-years Why Coke Cost A Nickel For 70 Years by David Kestenbaum November 15‚ 2012 4:00 AM Listen to the Story Always Five Cents * 1905: An oilcloth sign. The Coca-Cola Company * 1907: Change receivers like this one were used at cash registers to hold change made for customers. The Coca-Cola Company * 1922: A print ad in the Saturday Evening Post. The Coca-Cola Company 1936: An ad highlighting
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interaction with the Ni-NTA column due to the presence of nickel ions. Varying concentration of imidazole was added to the column in order to elute out the histidine-tagged protein. Imidazole competes with the histidine side chains to bind with the nickel ions which thus‚ elute out the desired protein. Three different concentrations of imidazole 25mM‚ 250mM‚ and 400mM were
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majority of the noteholders and the Preston shareholders. The Bulong Nickel Project The Nickel and Cobalt Industries The Nickel market is estimated to be 1 million tons‚ growing at 3‚6% per year. The Cobalt market is estimated to be 36.000 tons per year. Nickel and Cobalt prices are a highly volatile. Nickel prices show a downward trend. The Bulong Nickel Project The project was born in out of the discovery of high nickel reserves in West Australia in 1970. Despite high processing risks‚ a
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What do you expect? Before reading the essay‚ at the first sight of browsing through the title ”Shooting an elephant‚” it stroke me as an issue discussing the protection of extinct animals and what came to my mind is the impression of how human beings ravage the habitat of animals. With the story moving ahead‚ I assumed that the narrator would not yield to the external pressure he had been given. Nevertheless‚ it turned out that he eventually shot the elephant in a brutal and cruel way. What happens
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prices will increase‚ the poor will suffer‚ and nickels cost even more than pennies to make‚ thus wasting more of our money. According to Susan T Leadly‚ an About.com Guide‚ “Americans are traditionalists and the Lincoln cent is the epitome of modern day circulating coin tradition.” We must keep using the penny because eliminating it would hurt us‚ not help us. First of all‚ prices would increase‚ and nobody wants that. Everything will round up to the nickel‚ and thus costing the U.S and us for the things
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used in the experiment. Q3. Nickel is a transition element. It is manufactured in a four-stage process from nickel (II) sulphide‚ NiS. • Stage 1 – nickel (II) sulphide is heated in air to form nickel (II) oxide and sulphur dioxide. • Stage 2 – nickel (II) oxide is heated with carbon to give impure nickel. • Stage 3 – impure nickel is reacted with carbon monoxide to make nickel tetracarbonyl‚ Ni (CO)4. • Stage 4 – nickel tetracarbonyl is decomposed to give pure nickel. (i) Construct the balanced
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monument. A nickel with a mass of 0.005 kg is in her shirt pocket. What is the gravitational potential energy (GPE) of the nickel at the top of the monument? 8.30 J C. What is the kinetic energy (KE) of the nickel in her shirt pocket at the top of the monument? 0 D. If the nickel accidentally falls out of her pocket‚ what will happen to the gravitational potential energy (GPE) of the nickel as it falls to the ground? It will be converted into kinetic energy E. If the nickel accidentally
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during the making of steel for the purpose of increasing corrosion resistance‚ hardness‚ or strength. The metals used most commonly as alloying elements in stainless steel include chromium‚ nickel‚ and molybdenum. Characteristic of alloying elements Very important elements for alloy steels are manganese‚ nickel‚ chromium‚ molybdenum‚ vanadium‚ tungsten‚ silicon‚ copper‚ cobalt and boron. All commercial steels contain 0‚3-0‚8% manganese‚ to reduce oxides and to counteract the harmful influence of
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