Willy Rupprecht Date(s) performed: October 2 - 3‚ 2012 Gravimetric Analysis of an Unknown Group 1 Metal Carbonate Purpose: The purpose of this lab is to determine the identity of a Group 1 metal carbonate compound by gravimetric analysis. Procedure: The unknown carbonate is weighed and then dissolved in water. A solution of CaCl2 (calcium chloride) is added to the metal carbonate solution to precipitate the carbonate ions as CaCO3 (calcium carbonate). The precipitate is then filtered‚ dried
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Aim: The aim of this experiment was to determine the types of macromolecules of various foods and classify them as one or more of the following: * Carbohydrate (starch) * Lipid * Sugar (glucose) * Protein Materials: * Test tubes * Solutions : ( A‚B‚C‚D‚E‚F‚ and G) * Reagents: ( Iodine‚ Biuret‚ Benedict‚ Ethanol) * Spatula * Heating plate * A test tube cleaning brush * Tray * Beaker * Distilled water * Pipette ( comes with reagents since
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Analysis of Alum The objective of this lab is to run tests on a compound and analyze the substance itself‚ and then determine whether or not the compound is actually alum. Jill Cline Period 3 November 19‚ 2013 Laurel Hergenroeder and Sarinah Martelli Introduction/Purpose The purpose of this experiment is to run various tests on the substance called alum. (AlK(SO4)2 ∙ 12H2O). These tests like the process of filtration heating the solution will reveal things
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Aim: To investigate the effect of skin sensitivity in response to cold temperature in different parts of the body by timing the maximum amount of time in which ice-pack can be held to that area. Hypothesis: If the layer of skin is relatively thin‚ the nerve response to cold will be the fastest‚ increasing the skin’s sensitivity. This therefore means that the fastest responses to cold will be in the face‚ and specifically the nose. The skin consists of 3 main layers; the epidermis‚ dermis and
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Michael Sims Instructor: Baxter NT1110 Unit 11 Lab: Research Project Cyber Crime In 1969‚ the first message‚ “login”‚ was sent over ARPANET‚ the predecessor of today’s internet (Kleinrock‚ 2008). ARPANET was designed as a communication system that would allow researchers to access information from other researcher’s computers around the country‚ therefore allowing information to flow more freely (Kleinrock‚ 2008). Computers and the internet have
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1st Assignment for Grade 11/12 English POETRY Please read over all three poems below several times. "Hope" is the thing with feathers by Emily Dickinson "Hope" is the thing with feathers -- That perches in the soul -- And sings the tune without the words -- And never stops -- at all -- And sweetest -- in the Gale -- is heard -- And sore must be the storm -- That could abash the little Bird That kept so many warm -- I’ve heard it in the chillest land -- And on the strangest Sea -- Yet
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Ecology ➢ Climate is weather conditions of a region like temperature‚ humidity‚ precipitation‚ sunlight pressure‚ winds‚ throughout the year over a period of time ➢ Ecology – is the study of the interactions between organisms and the environment ➢ Abiotic factors –temperature and water ➢ Microclimate – a classification at the small scale variation ➢ Dispersal – movement away fro origin ➢ Macroclimate – a classification at the global and regional level
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Free will is defined as the power of acting without the constraint or necessity or fate. When I make a decision‚ such as eating french fries‚ I had the choice of doing something completely different. Many individuals believe that is free will. The drama the Tragedy of Othello written by William Shakespeare contradicts this belief. An example of this can be the development of the antagonist Iago. In Act III‚ When Iago informs othello his suspicions of Cassio with Desdemona Othello says‚ “ No‚ Iago
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Brian Toohey Biology Mrs. Heimforth 12/06/10 Diffuse the Osmosis Section 2: Introduction Step 1: The scientific concept of this lab was to see how osmosis transferred the substance through the cells to reach equilibrium. Step 2: My hypothesis was that the bag with 60% sucrose then it would be heavier than the bag with tap water or 30% sucrose. I thought this because I thought that there would be more of a substance change in 60% sucrose. Section 3: Methods First get 3 pieces of the same
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Nabila Anika • Vascular plants-plants with vascular tissue; pteridophytes‚ gymnosperms‚ and angiosperms; includes all modern species except the mosses and their relatives • Vascular tissue-plant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body • Pteridophytes-seedless plants with true roots and lignified vascular tissue; ferns‚ horsetails‚ and whisk ferns • Bryophytes-nonvascular plants; lack water conducting tissues and
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