and amounts of each compound in your mixture. 2. Draw a flow chart (like pg 687 in PLKE) showing how you separated and isolated your two compounds. Be sure to include the structures of the compounds at each step. 3. Write a procedure. This should include exactly how you performed your separation. It should have enough detail so that someone else in the lab could repeat the experiment. 4. Results and Conclusions. a. Melting point‚ weight‚ and % recovery for each compound. b. Comment on the
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Flame Test Lab Question: When a compound is placed in the flame of a burner‚ what happens to the color of the flame? Hypothesis: When the compound is placed in the flame‚ the flame changes color depending on the chemical compound. When they’re heated‚ they gain energy and changed color sometimes. Safety Requirements for this Lab: Wear goggles at all times. If you want to remove them to write in your notebook you may sit at a table in the center of the room. When you sit down remove them
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Manshera and will be able to produce 1 ton of compound animal feed per hour and 25 Urea Molasses Block (UMB) per hour. This feed and UMB will be supplemented to livestock in addition to green fodder ad libitum (Freely available to animals) for high production. Different formulae may be used to prepare compound feed such as calf fattening formula and dairy animal formula etc. to facilitate the customers nationwide. The proposed business will be manufacturing compound animal feed and Urea Molasses Block (UMB)
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firstly used in order to find out if it was a positive drug‚ in order to follow a further analysis. Gas Chromatogram (GC) and mass spectrum was used for further analysis‚ in order to find out what exactly was this drug‚ and find its mixtures and compounds. Results From the chromatogram/spectrum peak report it is shown that there are two retention times of 15.67 and 9.66. The first peak has 9.66 retention time and has one possible match out of the five which is included in appendix 1.The highest
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that substance is revealed through a seires of tests that involve chemical and physical properties of that substance. Problem: You are given an unknown chemical substance that you need to be able to identify. How are you going to do this? The compound can be either harmful or toxic‚ so what you need to do is test all of its physical and chemical properties‚ and then find out the synthesis of the substance. Qualitative testing and quantitative testing is essential in discovering what the unknown
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Substitute lab for Unit 6 lesson 3: Stoichiometry: Counting by Measuring Mass Purpose Determine the mass of several samples of chemical elements and compounds and use the data to count atoms. Procedure Start Virtual ChemLab and select Counting by Measuring Mass from the list of assignments. The lab will open in the Calorimetry laboratory. Part 1‚ Measuring Metal 1. Click on the Stockroom. Click on the Metals sample cabinet. Open the top drawer by clicking on it. When you open the drawer‚ a
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in ite‚ ate‚ ide‚ etc. A pure substance is usually solid. Under that it is then classified as an element or a compound. How do you know if it’s an element? Well look at the periodic table of elements if its on there then it’s an element. How do you know if its a compound? Well a compound is made up of two or more elements. So look at the name for example NH3 then it is a compound because it has a nitrogen molecule and 3 hydrogen molecules. Science changes everyday and without our current
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Science can create a mystery where an impossible waste can create intoxicating scent creating own signature perfume using the most exotic and mysterious essential and fragrance oils. Perfume Perfume is a mixture of fragrant essential oils and aroma compounds‚ fixatives‚ and solvents used to give the human body‚ animals‚ objects‚ and living spaces a pleasant scent. Describing a perfume The precise formulae of commercial perfumes are kept secret. Even if they were widely published‚ they would be dominated
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DETERMINATION OF THE WATER OF CRYSTALLISATION April 4‚ 2012 OBJECTIVE: Chemical compounds that contain discrete water molecules as part of their crystalline structure are called hydrates. Hydrates occur quite commonly among chemical substances‚ especially among ionic substances. More often than not‚ such compounds are either prepared in‚ or are recrystallized from‚ aqueous solutions. Hydrates exist for ionic compounds most commonly‚ but hydrates of polar and non polar covalent molecules are also known
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Experiment 21: Reaction of some Akyl Halides Completed on November 13‚ 2012 Purpose The purpose of this experiment was to examine reactiveness of 10 organic compounds under both SN1 and SN2 conditions. Table of Chemicals Compound Structure Molecular Weight (g/ml) Boiling Point (°C) Melting Point (°C) Density (g/ml) Safety 1-bromobutane 137.03 102 -112 1.269 Flammable‚ irritant 2-chloro-2-methylpropane 92.57 51 -26 0.89 Flammable‚ irritant acetone 58.08 56.5 -95 0.793 flammable
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