NAME: EDWARD AFUTU INDEX NO: 8030212 EXPERIMENT: I.2.2.2. DEMONSTRATOR: MISS NAOMI KABIRI
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Once a child reaches his/her first year‚ s/he graduates from infancy to become a toddler. Also known as the “terrible twos”‚ this life stage lasts from ages 1 – 3. During this stage toddlers do not grow as quickly as they did when they were infants; they grow 5.5 – 7.5 inches in height and can gain around 9-10 pounds (Tucker‚ 2010). It’s during this stage in their lives when toddlers learn how to walk and begin to explore the world around them. Toddlers not only learn how to walk‚ but they also
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heads up on the ground. No pennies around to make that old tin cup clink and brighten the day of some desperate homeless man. Charities‚ instead of thriving‚ would suffer due to penniless penny drives. Jobs would be lost due to the lower demand for zinc that could be mined and produced into American money. Most importantly‚ a significant part of history would be thrown away and lost. Elimination of the penny would be hard to deal with and could cause problems left and right with society. America
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ELECTROLYSIS Electrolysis decomposition of compound using electricity Electrolyte an ionic compound which conducts electric current in molten or aqueous solution‚ being decomposed in the process. Electrode a rod or plate where electricity enters or leaves electrolyte during electrolysis. Reactions occur at electrodes. Discharge the removal of electrons from negative ions to form atoms or the gain of electrons of positive ions to become atoms. Anode
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of zinc‚ blotting paper soaked in salt water‚ and silver. In the 1800’s‚ the Daniel cell was developed‚ which is also known as the wet’ cell‚ as it used liquids for the electrolytes. It consists of copper and zinc plates‚ and copper and zinc sulphates. Although the Daniel cell worked‚ it was only suitable for stationary items‚ such as door bells as it was a wet cell. From this‚ modern day scientists have developed a range of different cells to cater to our specific needs. There is the zinc carbon
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fittings‚ jewellery. * Zinc – protective paints‚ galvanizing irons * Lead – car batteries‚ plumbing‚ solder. * An alloy is a homogeneous mixture of a metal with one or more other elements Alloy | Properties | Uses | Stainless Steel (10-20% chromium‚ 5-20% nickel‚ iron) | * Hard * Resists corrosion | food processing machinery‚ kitchen sinks and appliances‚ cutlery‚ surgical and dental instruments‚ razor blades | Brass(50-60% copper with zinc) | * Lustrous gold appearance
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created from lead and zinc mining in Northeast Oklahoma. Lead and zinc leftover in chat piles would seep into groundwater‚ ponds‚ and lakes contaminating almost all water in the area. The people from small towns in the area such as Cardin and Picher are at high risk for lead poisoning‚ which can have long term health effects. Tar Creek has been pinpointed as the reason for high levels of learning disabilities in this area. This area was home to very popular lead and zinc mines during World War
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if they were Single Displacement‚ Double Displacement‚ Synthesis‚ Decomposition and Combustion. A.) Aluminum and Copper (II) Chloride‚ my hypothesis is a Single Displacement. B.) Calcium Carbide and Water‚ my hypothesis is a Double Displacement. C.) Zinc and Hydrochloric Acid‚ my hypothesis is a Single Displacement. D.) Alcohol and Oxygen‚ my hypothesis is a Combustion. E.) Lead (II) Nitrate and Potassium Iodide‚ my hypothesis a Double displacement. F.) Copper and oxygen‚ my hypothesis is a synthesis
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Introduction Generally‚ PET can be produced in two steps by one of two ways‚ called the DMT and the TPA processes‚ or the transesterfication and direct esterification routes‚ respectively. Since its commercialization in the 1950’s by DuPont‚ PET was predominantly synthesized out of DMT due to the fact that this monomer‚ compared to TPA‚ was relatively easily purified by distillation. Yet‚ since the 1960’s‚ purified TPA became available by the development of new technologies and gained a lot of importance
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intent environment. Quail eggs contain 74.58% moisture‚ 12.63% crude protein‚ 10.83% crude fat‚ 0.48% carbohydrates and 1.28% ash. It is rich in antioxidant and a very valuable source of vitamins A‚ B1‚ B2‚ B6‚ B12 and vitamin D‚ iron‚ magnesium‚ zinc‚ copper‚ phosphorus and essential micro-nutrients‚ minerals and amino acids. Hence‚ quail eggs are recommended for regular consumption. Moreover‚ quail industry has also great potential in the market due to minimal market competition‚ high demand
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