"The emission spectrum of an unknown element" Essays and Research Papers

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    2.2.1.6 Inductively Coupled Plasma-Atomic Emission Spectroscopy Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) is one of several techniques available in analytical atomic spectroscopy. ICP-AES utilizes plasma as the atomization and excitation source. Plasma is an electrically neutral‚ highly ionized gas that consists of ions‚ electrons‚ and atoms. Most analytical plasmas operate with pure argon or helium‚ which makes combustion impossible. Plasmas are characterized by their temperature

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    Phelps‚ Biology 205 MW 2:10pm. Unknown Organism Paper   The unknown organism tested in the Mesa lab was collected from in between the toes of my puppy‚ Riley. The original culture grown consisted of dozens of visibly different organisms of varying colony colors and growth patterns. I chose to test a smaller‚ red colony for my experiments. Based on its gram reaction and oxygen requirements‚ the following tests were performed to reach my presumptive ID: Test Performed Result Gram Stain +

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    these pathogens and their related epidemiology has become increasingly more important. The purpose of this study was to identify an unknown bacterium in a controlled laboratory environment over a 5 week period. Utilizing a variety of differential testing and staining methods learned in the microbiology course‚ students were to determine the identity of an assigned unknown organism. Observations were made and recorded each week to narrow down the scope of identification. Data has been presented in

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    On November 11‚ 1921‚ the Tomb of the Unknown Soldier was established in order to remember the men and women and at least give credit to the people who fought for our country but couldn’t identify them. I should be chosen for the wreath laying at the Tomb of the Unknown Soldier because I want to show them my absolute sincerest gratitude towards them. There are no words to explain how much obligation I have for all the soldiers who have fought for my freedom. This is important to me because I would

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    Unable to read the Gram Stain at first it was later confirmed that Unknown #7 was a gram negative bacteria. When introduced to Starch Unknown #7 produced no zone of clearing showing that it did not contain the enzyme amylase. When introduced to the Lipid Unknown #7 did produce a zone of clearing indicating that it did contain the enzyme lipase. When introduced to Casein Unknown #7 produced no zone of clearing indicating that it did not contain the enzyme protease. When streaked onto the Gelatin‚

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    DSM-IV-(TR) : Autism Spectrum Disorders Type 299.0 Autistic Disorder Type 298.0 Asperger’s Syndrome Type 298.0 Pervasive Developmental Disorder Not Otherwise Specified Abstract Autism is a complex developmental disability that causes problems with social interaction and communication. Symptoms usually start before age three and can cause delays or problems in many different skills that develop from infancy to adulthood. Disorders included in the Autism Spectrum are Autistic Disorder‚ Asperger’s

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    Elements Of Poetry

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    Elements of “For Once‚ Then‚ Something” Every poet has a unique way in which they construct a particular poem. Some poets have a tendency to stay within the same style while other’s break out of the mold and write in a style of their own. For Frost‚ most of his work was composed in an English meter however‚ when composing “For Once‚ Then‚ Something” he strayed away from his usual tendencies of writing. “For Once‚ Then‚ Something” (1920) is the only poem Robert Frost ever composed in a classical

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    -Unknown Mixtures Lab- Purpose: The aim of this experiment was to find out the two substances of the unknown mixture from salt‚ sugar‚ dirt‚ and baking soda by looking at its properties. Hypothesis: Find the unknown substance by testing it out by heating it‚ pouring water‚ vinegar‚ and observing it . Procedure: 1) Materials- * 100ml of water * Vinegar * Bunsen Burner * 2 beakers * 1 spatula 2) First‚ do steps (3-6)to find out the properties of salt‚ sugar

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    However‚ the original manufacturer‚ Kaufmann Ltd.‚ has gone out of business‚ and specifications for the part are unavailable. The purpose of this experiment‚ performed by Ryan Nelson‚ Peter Glascor‚ Eric Flowr was to determine the identity of the unknown polymer by comparing its properties to properties of other known polymers. Most likely‚ the part is one of the five following polymers: polyethylene‚ polypropylene‚ polystyrene‚ polycarbonate‚ poly(vinyl chloride). These are all extremely common

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    Macromolecules Lab Purpose: to determine a method of testing for macromolecules. Materials: Knowns: Unknown: Test Solutions: Glucose solution Unknown solution Iodine solution Gelatin solution Benedict’s solution Starch solution Biuret solution Oil Brown paper Water Procedure: 1. Create a data table. 2. Label 5 test tubes with known solutions. 3. Add 10-20 drops of each known solution to respective test tubes‚ do not mix pipets! 4. Add 3-5 drops of

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