Campagnolo Chemistry H September 24‚ 2013 Lab on Density of Four Metals Conclusion In this lab we studied the densities of four different metals using a caliper‚ a digital scale‚ and a calculator. Three metals were pure elements like copper‚ iron‚ and aluminum. The fourth metal was an alloy which was brass. The purposes of this lab were to demonstrate that different metal elements have different densities‚ and that alloys have densities somewhere between those elements that compose them. We also
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Metal detectors in schools pose more of a threat than a sense of security. Every student carries metal of some form on them. Pens‚ pencils‚ notebooks and other school supplies all contain metals. If we try to make schools “safer” by placing metal detectors in the entrance and exit of every school building. With many school shootings and stabbings‚ media and parents have proposed new safety measures. Placing metal detectors and spending extra time on safety management takes time away from class and
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Aim: To compare the reactivity of various metals by observing their reaction with hydrochloric acid. 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
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The terms noble cause and corruption have been used separately to describe the law enforcement profession. However‚ it is rare for those outside of law enforcement to use those two terms in concert. Historically‚ police officers have used noble cause corruption repeatedly in order to get the “bad guy” off the streets. The noble cause corruption means that an officer will abandon legal and ethical means to achieve a good end. Also‚ noble cause corruption occurs when officers are willing to break the
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1) Works Cited Foer‚ Jonathan Safran. Extremely Loud & Incredibly Close. Boston‚ MA: Mariner‚ 2005. Print. 2) Annotation This book is told through the eyes of an extremely smart and funny nine-year-old who is also the narrator‚ Jonathan Safran Foer. He tells a story of the effects of his fathers tragic death‚ in the 9/11 terrorist attack‚ on his father‚ Oskar Schell‚ and his family as a whole. Oskar’s father not only endured the pain of being trapped in the towers‚ but was killed due to
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renovation‚ most people don;t think about it much before it is time to get a new roof. However‚ there are many great alternatives to asphalt shingles‚ and metal roofing is an option that stands out. Of course‚ when imagining a metal roof‚ the first thing that comes to the many people’s minds is a warehouse or other commercial structure. Metal roofing has come a long way and is so much more fashionable that its reputation‚ and is even being used on high-end mansions.
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Noble Cause Corruption Every day‚ communities across the United States unleash trauma‚ stress‚ and other difficult situations for police officers. Their job is tremendously important to many aspects of our communities. Sometimes though‚ police officers lose sight of their ethics towards the communities and its citizens. What factors help a responsible‚ morally loyal individual to turn or appear to turn to deviance when their job is to help fight corruption and deviance? A term called noble cause
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Curiosity and Adventure are two words I feel best represent Extremely Loud and Incredibly Close‚ a fictional book written by Jonathan Safran Foer set in New York City after 9/11 around 2003. The story involves a nine year old named Oskar Schell‚ a self-proclaimed future inventor and explorer. Oskar is our narrator throughout the story who tells us the events in his life in the first person point of view. Oskar‚ being the protagonist and focal point of the story‚ shows us the struggle of losing someone
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ATLAS METAL COMPANY CASE Executive Summary The purpose of this report is to help a financial special assistant‚ Linda‚ to analyze the financial position of Atlas Metals Company and deciding its capital budgeting and capital structure. Firstly‚ I explain why firm should use Net Present Value (NPV) methods for capital budgeting rather than Return on Investment (ROI) method and Payback Period method. Secondly‚ I calculate the Weighted Average Cost of Capital (WACC) which will be used as discount rate
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DRAWING AND ITS PROCESSES Drawing is a metalworking process which uses tensile forces to stretch metal. It is broken up into two types: sheet metal drawing and wire‚ bar‚ and tube drawing. The specific definition for sheet metal drawing is that it involves plastic deformation over a curved axis. For wire‚ bar‚ and tube drawing the starting stock is drawn through a die to reduce its diameter and increase its length. Drawing is usually done at room temperature‚ thus classified a cold working process
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