Available online at www.sciencedirect.com Available online at www.sciencedirect.com Procedia Engineering 10 (2011) 1232–1237 Procedia Engineering 00 (2011) 000–000 Procedia Engineering www.elsevier.com/locate/procedia ICM11 Statistic characteristics of fatigue properties in magnesium alloy S. Mohda‚c‚ *‚ Y. Otsukab‚ Y. Miyashitab‚ Y. Mutohb a Department of Materials Science‚ Nagaoka University of Technology‚ 1603-1 Kamitomioka‚ Nagaoka 940-2188‚ Japan b Department of System Safety
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Company #1: Neils Bohr Equation: 3Na2CO3 + 2AlPO4 = 2Na3PO4 + Al2(CO3)3 Reaction: Double Displacement Company #2: Hello Equation: C5H12 + 8O2 = 5CO2 + 6H2O Reaction: Combustion Company #1 Neils Bohr 3Na2CO3
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Finding the formula of magnesium oxide Aims When magnesium is heated in air‚ it reacts with oxygen. During this oxidation reaction‚ magnesium oxide is produced. This increases the mass. If we know the mass of magnesium at the start‚ and the mass of magnesium oxide produced at the end‚ we can work out the mass of oxygen which has been combined with the magnesium. We can use these masses to work out the formula of magnesium oxide. Eye protection must be worn Apparatus Crucible and lid
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Julia Supangan blk. 2-4 The Reaction of Various Metals with Ionic Salts Purpose: To examine the reaction of various metals with ionic salts Materials: * 4 test tubes * test tube racks * 10mL measuring cylinder * 4 metals (in containers)- Zn‚ Sn‚ Mg‚ Fe * copper (II) sulphate solution Safety: 1. Be careful with copper (II) sulphate solution it is poisonous and corrosive. handle with care 2. Do NOT BREATH in any gases produced 3. If you touch any of the
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Discussion Questions for the Aluminum Case Group: 1. Conduct a S-C-P analysis for the Aluminum industry. Is primary aluminum production industry an attractive(profitable) industry? Why and why not. 2. Using information in the case and the data from the attached spreadsheet‚ construct the industry supply curve for primary aluminum. Please note the marginal costs are used to derive the supply curve and be careful as to what cost items can be counted as “marginal” costs. DO NOT use regressions
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1. In general‚ why have many different alloys been developed and used? Many different alloys have been developed and used due to the various properties they have when alloyed which increase their amount of uses. Properties such as increased tensile strength‚ the variation in melting point‚ malleability and luster are all properties that come as a result from alloyed metals. For example‚ carbon and manganese form an alloy called carbon steel‚ which is very hard and can therefore be used to make things
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A COMPARISON OF ALUMINUM VS. COPPER AS USED IN ELECTRICAL EQUIPMENT Larry Pryor‚ P.E. – Sr. Specification Engineer‚ GE Consumer & Industrial Rick Schlobohm‚ P.E. – Sr. Specification Engineer‚ GE Consumer & Industrial Bill Brownell‚ P.E – Specification Engineer‚ GE Consumer & Industrial ABSTRACT The debate over the pros and cons of aluminum vs. copper conductors has been discussed for many years. Many of the concerns are based on old information and also misinformation. These concerns center on the
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17. In a sample of solid Al(NO3)3‚ the ratio of aluminum ions to nitrate ions is (1) 1:1 (2) 1:2 (3) 1:3 (4) 1:6 19. What is the total number of atoms in (NH4)2SO4? (1) 10 (2) 11 (3) 14 (4) 15 22. Write the correct formula for the following binary ionic compounds. (a) Lithium fluoride LiF (b) Calcium oxide CaO (c) Aluminum nitride AlN (d) Beryllium chloride BeCl2 (e) Potassium iodide KI (f) Aluminum oxide Al2O3 23. Write the correct formula for the following binary molecular
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Everyone is familiar with the three ’R’s - Reduce‚ Reuse and Recycle. But does every citizen follow it religiously? The relationship between environmentally aware citizens and a balanced ecosystem is direct. With the rising concern about global warming and climate change‚ recycling has gained a lot of importance. Here are some advantages of recycling different types of material. Plastic » According to the Stanford University PSSI Recycling Center‚ if you recycle 1 ton of plastic‚ it saves
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Key Questions 8.1 and 8.2: Writing and Balancing Chemical Equations Include phases of matter for ALL reactants and products. Circle the chemical formula of the precipitate‚ if any‚ in each reaction. Balance all chemical equations. 1. Write a chemical equation for the reaction that occurs when solid sodium oxide is added to water at room temperature to yield sodium hydroxide . (Check the Solubility Rules to determine the phase of matter of sodium hydroxide.)
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