and vitamin D and K. I am currently taking a daily supplement. I could eat broccoli‚ mustard greens‚ dairy products‚ kale‚ tuna‚ and beef liver. h. Did you meet the target recommendations for the trace minerals (iron‚ iodine‚ chromium‚ fluoride‚ copper‚ zinc‚ selenium‚ molybdenum‚ and manages) for the day you selected? If not‚ what minerals fall below the target numbers? I did not meet the target recommendations for the trace minerals. I fall below the
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Report Purpose: To determine‚ through observations‚ the identity of substances produced in a chemical reaction. Materials: Safety Goggles Stirring rod Magnesium ribbon Solid CuSO4•H2O Matches Test tubes Copper metal 3M HCl Red and blue litmus strips 0.1M AgNO3 Zinc metal 0.1M Pb(NO3)2 Test tube holder 0.1M KI Bunsen burner 0.1M Na2NO3 Crucible tongs 1.0M NaOH Water (H2O) 0.1M Ca(NO3)2 50mL beaker 1.0 CuSO4 Procedure: Using the crucible tongs‚ take a magnesium
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Problem Identification Reading the case we understood that that the Antamina Mining Company “CMA” faced two main problems while building copper and zinc mining operations in Peru. The problems are listed as follows. Transportation issue The first main problem which the company faces is connected with their initial plan to use the Central road passes through the environmentally sensitive Huascaran National Park “PNH”. There was a clear opposition from the side of The Mountain Institute NGO‚ UNESCO
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Determination of Cations and Anions through Elimination and Confirmation Tests By: Symantha Resendiz Introduction A topic of great importance to all scientists is the identification of compounds‚ which is relevant in all aspects of their work in some way shape or form. Weather it may be determining what is causing sickness or what is polluting the air‚ it is very prevalent in the science world. In project 2‚ identification of cations and anions was preformed through a series of confirmation
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Determination of Chemical Formulae: The Reaction of Zinc and Iodine By Sarah Abstract: The main objective of this experiment was to use to the reaction between zinc and iodine to examine the validity of the Law of Conservation of Mass and the Law of Constant Composition. The Law of Constant Composition was tested by determining the mass of each of the reactants‚ zinc and iodine‚ and comparing their total to the mass of the zinc iodide product plus the excess zinc. The total mass of the reactants was determined
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use of cathodic protection is generally credited to Sir Humphrey Davy in the 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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Metal: Aluminum Zinc Iron Copper Mass of metal 27.776g 41.664g 34.720g 41.664g Volume of water in the calorimeter 26.0mL 26.0mL 26.0mL 26.0mL Initial temperature of water in calorimeter 25.3 °C 25.3 °C 25.3 °C 25.3 °C Temperature of hot water and metal in hot water bath 100.5 °C 100.5 °C 100.5 °C 100.5 °C Final temperature reached in the calorimeter 31.6 °C 34.8 °C 33.1 °C 34.5 °C Observations: The hottest temperature reached was Zinc at 34.8°C & Copper was the heaviest
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Investigatory Project I. Problems and Setting A. Introduction Batteries‚ years ago‚ have taken the world by a storm and have since than became a necessity in one’s household. Sadly‚ even though they are tremendously useful‚ batteries have drawbacks‚ such as semi- affordable costs‚ limited shelf life and pollution. I had an idea on how to make an alternative to this that would not only work like the real thing but would also be healthy to our environment and light in my pockets
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on secondary alcohol III. Problems based on tertiary alcohol IV. Problems based on glycol and glycerol V. Problems based on phenol VI. Problems based on benzyl alcohol d-Block Elements I. Problems based on copper II. Problems based on chromium III. Problems based on zinc IV. Problems based on silver V. Problems based on gold Carbonyl compounds I. Problems based on acetaldehyde and acetone II. Problems based on benzedehyde III. Problems based on benzophenone & acetophenone Electro
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Products Suppliers/Customers Industry Compe?tors Cost Revenue & profit Overall trends Other factors Products • • • • • • • • • • • Aluminum Copper Lead Zinc Gold Silver Uranium oxide Diamonds Stainless Steel Materials Iron Ore Coal Aluminum Zinc Copper Gold Iron ore Diamond Marketing & Customers • Marke?ng centers of mining companies • Sell products at the most advantageous price to make the most of their intrinsic value
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