ESTIMATION OF IRON IN IRON ORE-SPECTROPHOTOMETRIC METHOD By: Taylor Villari Experiment conducted on 7/22/13 Components of each test tube examined in the spectrophotometer Trial | Volume of Iron solution (mL) | Micrograms of Iron | Volume of 10% sodium acetate | Volume of 0.1% o-phenanthroline | Volume of water (mL) | 1(blank) | 0.0 | 0.0 | 1.0 mL | 1.0 mL | 8.0 mL | 2 | 1.0 mL | 10 | 1.0 mL | 1.0 mL | 7.0 mL | 3 | 3.0 mL | 30 | 1.0 mL | 1.0 mL | 5.0 mL | 4 | 5.0 mL | 50 | 1.0 mL
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description of Electric Iron introduction: An electric iron is a small appliance‚a handheld piece of equipment with a flat‚ roughly triangular metal surface that‚ when heated‚ is used to press clothes to remove creases. Ironing works by loosening the ties between the long chains of molecules that exist in polymer fiber materials. With the heat and the weight of the ironing plate‚ the fibers are stretched and the fabric maintains its new shape when cool. description: The electric iron must have a design
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The Man in the Iron Mask A.P. Euro In the Man in the Iron Mask Hollywood uses characters from Alexandre Dumas’ D’Artagnan Romances‚ and is very loosely portrays Louis IIV’s reign as ruthless leader. The movie attempts to explain the mystery of the Man in the Iron Mask‚ using a plot that depicts the man in the mask as Loius XIV’s twin brother Philippe. Much historical fiction can be found as the director loosely interprets Louis XIV’s reign. Louis XIV in real life
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Determination on Galvanized Nails Introduction. In this experiment the mass of zinc on galvanized iron nails was calculated to determine the appropriate price that should be charged to coat a nail with zinc (galvanize) it. The effectiveness of gasometric and gravimetric analysis were assessed by carrying out both methods mathematically using values determined by this experiment‚ and then comparing these values using their percent differences. The mass of zinc found on each nail can then be used to determine
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Courtney Cox Word count 510 Ruling with the Iron Fist According to an Africa saying “it takes a village to raise a child.” In Judy Sheindlin’s essay “Enough is Enough” she says the only way juveniles will reform is harsh punishment for first time offenders. In contrast Mercer Sullivan’s article “Mapping the streets of crime” he says that the “low-income neighborhoods” (Newsweek‚ p.23) influence juveniles to go down a path of crime. If the neighborhood is pushing it inhabitants into a
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In order to avoid questions about why one child is deemed to be a ruler over another‚ Socrates creates a myth that says all people were born from the earth. There are three types of people that were created from the earth: iron and bronze‚ silver‚ and gold. An iron and bronze person is full of appetitive desires‚ such as food‚ drink‚ or sex. These types of people are the farmers and craftsmen in a city. A silver person can be ruled by a spirited desire‚ or have the potential to be spirited. This
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Iron‚ Steel and Aluminium Main sources of iron: * second most abundant metal (5% by mass) in Earth’s crust (fourth most abundant element) * found in rock (a mixture of minerals) as one or more minerals (usually a compound) * if a mineral is of economic importance‚ it is referred to as an ore * iron containing minerals include hematite (Fe2O3)‚ magnetite (FeO·Fe2O3 or Fe3O4)‚ limonite (FeO(OH)·nH2O) and siderite (FeCO3) Alloys: * homogeneous mixtures of metals or metals and
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not statutorily regulated. Therapies operate within their own codes of practice which relate to the ethical actions of the therapist in any situation including teaching and sharing the benefits of such therapies through consultation. Aromatherapy and nail treatments teaching though must take into consideration legislation regulating the use of potentially harmful oils and substances: ● Control of substances hazardous to Health 2002 (COSHH) □ Good management which
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Jaime Condori Ms. Gonda English 1551 10am 10 September 2012 ` Nails to a Blackboard On my Youngstown State ID user page there is a program for students to receive things from the instructors‚ whether it’s a syllabus or assignments‚ all these things are on a program known as Blackboard. Not all teachers use it‚ but since I’ve started I’ve had just over half a dozen instructors use Blackboard‚ and this semester more teachers are using it than ever. As of December 2010‚ Blackboard software
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Women were seen working in factories or as teachers but they had no say in the government. Thanks to a few women dedicated to making a difference‚ women have become more independent and now have a say in the government if they choose too. The movie Iron Jawed Angels depicts a group of women who wanted women to have a voice in politics. First thing they had to do was get women the right to vote. Alice Paul and Lucy Burns were the two leaders of the NWP (National Woman’s Party). The two women are
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