of the following metals: Copper‚ Cu Lead‚ Pb Zinc‚ Zn Magnesium‚ Mg The following solutions: Copper (II) nitrate‚ Cu(NO3)2 Lead (II) nitrate‚ Pb(NO3)2 Zinc nitrate Zn(NO3)2 Magnesium nitrate‚ Mg(NO3)2 Silver nitrate‚ AgNO3 Fine sandpaper Goggles Lab apron Directions: Fill in your observations from the videos and pictures in the table below. DATA TABLE Aqueous Nitrates Metals Mg(NO3)2 Zn(NO3)2 Cu(NO3)2 Pb(NO3)2 AgNO3 Mg Zn
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possesses the meaning ’to strike with one’s head’ (as in football). The same type of instrumental relations will be noted in stems de¬noting various tools‚ machines and weapons: to hammer‚ to knife‚ to ma¬chine-gun‚ to pivot‚ to pump‚ to rivet‚ to sandpaper‚ to saw‚ to spur‚ 158 to flash-light‚ to wheel‚ to free-wheel (said about a car going with the engine switched off)‚ or more
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Manufacturing Company” (hence the ticker symbol “MMM”). The company’s headquarters is located in Maplewood‚ Minnesota. 3M originally provided grinding substances to mining companies; however‚ in 1921‚ 3M launched its first unique product: waterproof sandpaper. And in 1925‚ their next product was introduced: masking tape. 3M has never been the same since that time. Since 1902 3M has expanded its product offerings into virtually every aspect of every consumer’s lives. To give an example‚ you have probably
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Tremont Fire Door Clinch Hot-Dip Galvanized Nails Tremont Fire Door Clinch Hot-Dip Galvanized Nails offer smart ways of state of the art woodworking. Amazing results possible using these nails indeed make it a preferred choice. These nails are suitable for a broad array of indoor as well as outdoor woodworking applications. Special hot-dipped galvanizing process makes them tough enough to serve for years. These superb nails are free from corrosion as well as rusting. Another superb advantage of these
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Materials: 2 M hydrochloric acid Detergent Test tubes and test tube rack 0.5 pieces of magnesium‚ aluminium‚ iron‚ zinc and cooper Sand paper Ruler Timer Bench mat Method: 1. The surface of the magnesium was cleaned with a piece of sandpaper 2. The Magnesium was placed into a test tube 3. Three Drops of detergent were added to the test tube 4. 2cm of hydrochloric acid was added to the test tube 5. The timer was set to 5 minutes 6. Observations were recorded‚ including the height
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5. Calcite A Report By: Shameka King December 4‚ 2012 SEN 1 Mr. Bibula 2. Calcite was discovered in 1852 by a mineralogist by the name of John P. Calcite. Calcite is a carbonate mineral that is usually white or colorless‚ but can have variety of colors due to impurities. It is one of the world’s most important minerals and is the most common. Calcite is one of the softest minerals and can be found in sedimentary and metamorphic rocks
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the financial assistance. Methodology Materials - 1 medium size lemon or lime - About 4 in. wire with insulation removed‚ #12 or #18 works just fine - 1 steel nail‚ #6 or 8 is ok - 1 zinc plated nail‚ #6 or 8 is ok - Small piece of sandpaper - Knife or wire pliers (not shown) to remove insulation General Procedures 1. Set the fruit on a table and gently roll in around to soften it up. Youwant the juice to be flowing inside the fruit without breaking its skin.Alternatively‚ you can
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I have a little secret‚ and I’ll let you in on it. I know a monster named Lymetra. He’s very kind you see‚ he talks in gibberish‚ he smells like gasoline‚ and if you touch his face he feels like sandpaper. Lymetra is from planet Genjok‚ and from there you can’t see the sun. They only get 2 hours of sunlight each day. Scientists haven’t discovered planet Genjok‚ due to the fact that they haven’t ventured so far into space. He only comes out in the Winter and Fall‚ but I get to see him quite often
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Hazardous Household Products Fact Sheet Household hazardous products represent an unregulated waste stream that can lead to environmental contamination when improperly disposed. What happens to improperly disposed of hazardous household products? 1. Hazardous household products that are flushed down the drain‚ poured onto the ground‚ or dumped into storm drains pollute the Bay’s waters and possibly your drinking water. 2. Disposal of hazardous materials in a municipal landfill contributes to the
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Case studies Spring 2011 (60 points) Each illness is caused by a bacterium (NOT viral) Choose one of the three cases and complete the assignment by following the guidelines. Write a typed‚ well constructed (complete sentences‚ proper grammar) report of not more than three double spaced pages (4 points). Devote at least one paragraph to answering each of the 6 questions. (8 points each) Include a reference section with at least 4 citations including at least one published reference. Use
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