"Chemical test for lead in water" Essays and Research Papers

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    removing lead nitrate (Pb(NO3)2) from water. There are various ways to remove lead dissolved into water. Many of them are expensive and/or very industrial. Due to my circumstances‚ I chose five that were somewhat doable. The five methods are coagulation‚ carbon filtering‚ reverse osmosis‚ ground coffee filtering‚ and distillation. Coagulation was done by using a flocculant (aluminum sulfate) that clump small‚ destabilized particles together so that it could be easy separated from the water. Carbon

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         Wash  bottle filled with distilled water 9.     Spatula 10.                        Titration flasks 11.                        Glass rod 12.                        Filter funnel 13.                        Beaker (80cm3) 14.                        Beaker (250cm3) 15.                        KA1 (monobasic acid‚ HX) 16.                        Methyl orange as indicator 17.                        Solid sodium carbonate 18.                        Distilled water Theory: To determine the exact

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    Chemical Reactions Lab

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    Classifying Chemical Reactions Purpose: The purpose of this experiment is to observe a variety of chemical reactions and to identify patterns in the conversion of reactants into products. Apparatus: • Bunsen or lab burner -Test tube clamp • Butane safety lighter - Test tube rack • Evaporating dish - Wash bottle • Forceps or crucible tongs - Wood Splints • Heat resistant pad • Litmus paper • Pipets • Spatula • Test tubes Materials:  Ammonium carbonate‚

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    Chemical Element

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    fires and is a tool that you should carry when you go into the woods. Cerium and the element before‚ lanthanum are both used for dramatic spark effects in movies. They get a big block of it and put it to a grinder. Its atomic number is 58 and its chemical symbol is Ce. The last element I will discuss is neodymium. It is the best known out of the lanthanide series out of rare earths because of the one and only neodymium magnets. They are the strongest magnets in the world and there are many purposes

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    Chemical Bonding

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    Interatomic Bonding Tutorial Suggested Solutions 1. |Substances |Type of bonding |Type of structure | |H2O |Covalent |Simple molecular | |SiCl4 |covalent |simple molecular | |RbCl |ionic |giant lattice/ionic | |Si |covalent

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    Chemical Reaction Lab

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    Lab #5 Chemical Reactions & Balancing Equations Objectives Observe and classify several chemical and physical changes. Give evidence for the occurrence of a chemical reaction. Write a balanced equation for a chemical reaction. Identify a reaction as a combination‚ decomposition‚ replacement‚ or combustion reaction. Background Physical properties can be observed without changing the chemical composition of the substance. Common physical properties that can be measured without changing the chemical

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    well‚ so well that the Deans nominated me for the Truman Scholarship‚ the Marshall Scholarship‚ and the Rhodes Scholarship. I didn’t get any of them‚ though‚ but the rejections came on super nice letterhead that still hasn’t yellowed. Standardized tests weren’t typically a problem‚ but the first time I took the LSAT‚ I threw up right before the exam‚ and so I scored somewhere in the neighborhood of a gifted fifth grader. Oh‚ I took more exams and I went to graduate school‚ but once I was there‚

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    Name: Tom Flannigan Title: Physical and Chemical Properties Purpose: To investigate the chemical properties of pure chemical substances. To investigate the physical properties of pure chemical substances. Procedure: For this lab we used four test tubes and poured equal amounts of a substance in each test tube. We then observed the color and odor. We then heated the substance and recorded the observation. The next tube we added cold water and observed the effects‚ then we heated it

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    Chemical Senses

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    Chemical Senses OLFACTION The sense of smell. Begins with the detection of molecules suspended in the air Olfactory stimuli Must be soluble in fat Taken through the nostrils and circulated within the nasal cavities connected to the nostrils. Olfactory epithelium Thin sheet of cells which contain neural receptors for olfaction Contains olfactory receptor cells and glia-type support cells that produce mucus Also contains basal cells which give rise to new receptors when needed Olfactory

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    test

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    product range‚ Zorflex® VB and Zorflex® VB Plus‚ is 100% activated carbon cloth with the following unique benefits:  Antiviral*  Virucidal*  Antibacterial*  Bactericidal*  Non invasive *when tested under the conditions outlined under ‘Test batch conditions’ Woven Cloth NOMINAL PROPERTIES FM10 FM70 FM100 Surface Density‚ g/m2 120 160 220 Carbon tetrachloride activity‚ %ww 55-70 55-70 55-70 Air permeability cm3/cm²/sec at 10mm 100 70

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