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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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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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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Fruit or vegetable used. Dependent Variable: Amount of electrical input. Table 1 Variables Test Subject | Controlled Variables for each Fruit and Vegetable | Unit of Electricity For All Test Subjects | Apple | Copper nail | mV | Carrot | Zinc nail | | Grapefruit | | | Kiwi | | | Lemon | | | Lime | | | Orange | | | Pear | | | Potato | | | Tomato | | | Hypothesis As I test fruits and vegetables‚ the grapefruit will produce the most electricity
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irritation. Personal Protection- Suitable ventilation if handling powder. Zinc‚ Zn(s) Stability-Stable. Incompatible with amines‚ cadmium‚ sulfur‚ chlorinated solvents‚ strong acids‚ strong bases. Air and moisture sensitive. Zinc powder is very flammable. Toxicology-May be harmful if swallowed or inhaled. May act as an irritant. Personal Protection- Do not breathe dust. Wear safety glasses if handling powdered zinc. Magnesium‚ Mg(s) Stability-Stable. Reacts violently with halogens‚ chlorinated
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What chemical compounds does the human body consist of? Oxygen (65%) and hydrogen (10%) are predominantly found in water‚ which makes up about 60 percent of the body by weight. It’s practically impossible to imagine life without water. Carbon (18%) is synonymous with life. Its central role is due to the fact that it has four bonding sites that allow for the building of long‚ complex chains of molecules. Moreover‚ carbon bonds can be formed and broken with a modest amount of energy‚ allowing
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CETC INFO SHEET Series of 2009 MAKE THAT SUGAR FROM COCONUT TODDY Seven to eight liters of fresh tuba can produce one kilo of coconut sugar! Yes! Tuba‚ our popular alcoholic drink‚ can be transformed into sugar. And this sugar has a high potential for multi- uses as natural sweetener. It is mostly used for cooking desserts and as raw material of food industries ‚ like confectionery. Thailand is already exporting coconut sugar to Australia‚ Japan‚ United
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following questions‚ assume that the densities and specific heat capacities of the solutions are the same as pure water i.e. ρ = 1.0 gcm-3 and c = 4.18 Jg-1K-1 1. Zinc will displace copper from copper (II) sulphate solution according to the following equation: CuSO4(aq) + Zn(s) ( Cu(s) + ZnSO4(aq) If an excess of zinc powder is added to 50 cm3 of 1.0 moldm-3 copper(II) sulphate‚ the temperature increases by 6.3 oC. Calculate the enthalpy change for the reaction. 2. Magnesium will
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Biohome Concept Statement People affected by biochemical components‚ specifically radiation‚ zinc‚ and lead being released into the air‚ soil and most importantly water because of an Earthquake is a disaster where people could be forced to live in a temporary or emergency shelter. The focus for these shelters will be to accommodate the physical‚ psychological and sociological needs for people in search of housing. An emphasis on maintaining a sense of self‚ social and cultural identity will
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