Environmental Chemistry and Analysis Prof. M.S.Subramanian MODULE 1.5 Advanced Waste Water Treatment Removal Of Suspended Solids Microstraining Coagulation and flocculation Filtration Removal of dissolved solids Ion exchange Reverse osmosis Electrodialysis Removal of nitrogen Phosphate removal (chemical treatment) Phosphate removal (biological treatment) Removal of dissolved organic compounds Adsorption Sludge treatment and disposal Disinfection 1 2 2 3 3 4 6 7 8 9 10 10 10 11 13 Indian
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water in metallic calorimeter (cm3) ±0.5 | Ethanol | 5.38 | 5.08 | 23.0 | 33.0 | 100.0 | Methanol | 5.33 | 4.94 | 24.0 | 34.0 | 100.0 | Isopropolic acid | 5.45 | 5.20 | 24.0 | 34.0 | 100.0 | Find the mass of water ρ=mv ρ (density) H2O = 1.0 g /cm3 Calculate % Uncertainty in mass of water As the mass of water is the same in the 3 alcohols the %uncertainty is the same for all the alcohols Absolute uncertainty of the measuring cylindermass of water × 100 Calculating Δ mass
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capitalism. Capitalism is our goal in life‚ to climb up the ladder of success through hard work and school. This man is doing neither and is rebelling against our very system. On the other hand‚ if this man was a young gangster who covered himself in bling and rode around in a fancy caddalic‚ there would still be this stigma attached to his wealth
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Chapter 18 Ethers & Epoxides; Thiols and Sulfides Assigned Reading from McMurry: Read Sections 18.1 through 18.9; not responsible for “Focus on … Epoxy Resins & Adhesives‚ pp. 697-698). Recommended Problems from McMurry: 18.1a-e;18.18.2;18.3a-d; 18.4; 18.5a-d; 18.6a-b; 18.7a-b; 18.8; 18.9; 18.10; 18.11; 18.12a‚b; 18.13a‚b; 18.14a-c; 18.16a-f; 18.17; 18.18; 18.19a-c; 18.20; 18.21; 18.22; 18.23a-e; 18.24a-I; 18.25a-f; 18.26a-d; 18.27; 18.28; 18.29ad; 18.30a-e; 18.31; 18.32; 18.33; 18.34; 18
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order for materials to move in/out of cells they must be small. high surface area: volume ratio. the larger the cell..the longer diffusion Diffusion- when a substance spontaneously moves from an area of high [ ] to an area of low [] osmosis- when H2o moves across a selectivly permeable membrane from an area of high [ ] to an area of low [ ] cell reproduction- the general process by which new cells are formed cell division- the process by which a parent cell divides into 2 daughter cells mitosis-
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HCl + ZnCl2 C2H5Cl + H2O Isopropyl Alcohol (CH3) 2CHOH + HCl (CH3) 2CHCl + ZnC2 + H2O Tert-butyl Alcohol (CH3) 3COH + HCl + ZnCl2 (CH3) 3CCl + ZnCl2 +H2O Benzyl Alcohol C6H5CH2OH + HCl + ZnCl2 C6H5CH2Cl +ZnCl2 +H2O B. Oxidation of Alcohols Test Sample Equation Ethyl Alcohol C2H5OH + KMnO4 CH3COOH + H2O + MnO2 +K+ Isopropyl Alcohol 2(CH3)2CHOH + KMnO4 2(CH3) 2CO + 2H2O + MnO2 + K+ Tert-butyl Alcohol No reaction Benzyl Alcohol C6H5CH2OH + KMnO4 C6H5COOH + H2O +MnO2 + K+ Diethyl Ether
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180 degrees H2O O Two 2 Linear Bent 109 degrees NH3 N One 3 Trigonal Planar 109 degrees H2S S 2 Linear Bent 90 degrees SO2 S One 2 Linear Bent 120 degrees PCl4+ P Zero 4 Tetrahedral 109 degrees NO3- N Zero 3 Trigonal Planar 120 degrees O3 O One 2 Linear Bent 120 degrees Based on their molecular geometries‚ which of the molecules (not including the polyatomic ions) are polar? (3 points) NH3‚ HCN‚ H2O‚ SO2 are all
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Control: The Accepted Value Calories (160000)‚ Grams Per Serving (28g)‚ calories per Gram ( 5714): Estimate] Part 1 Table 1:Data | | Temp Initial | Temp. Final | Mass of Chip(Start) | Mass of Chip(After Burn | Temp of H2O after Burn | Calories | Serving Size | Volume of H2O (ml) | Trial #1 | 10 | 11 | 1.19 | 0.19 | 14 | 160 | 28 | 200 | Trial #2 | 11 | 14 | 1.17 | 0.16 | 14 | 160 | 28 | 200 | Trial #3 | 9 | 14 | 1.05 | 0.15 | 14 | 160 | 28 | 200 | Explanation: The Table Above‚ Shows the
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Once upon a time three rappers named Bill‚ Jill‚ and Hill decided to start a rap band. A big rapping competition was coming up and they were going to enter. The “Big Show” took place on a cargo ship in the middle of the ocean. Jill was the lead rapper and he was in charge of the song they sang. Bill was in charge of their outfits‚ while Hill was going to make up the dance moves. They decided to call themselves the “The Little Big Rappers.” They only had one week to prepare for the show‚ and they
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Potassium Chloride + Oxygen = KClO3 ------> KCl + O2 KClO3 ------> KCl + O2 Balanced = 2KClO3 ------> 2KCl + 3O2 3. FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl 4. Zn (s) + H2SO4 (aq) = ZnSO4 (aq) + H2 (g) 5. CuS + HNO3 -> CuSO4 + H2O + N2O CuS + 2 HNO3 -> CuSO4 + H2O + N2O Chemical Reaction is a process that involves rearrangement of the molecular or ionic structure of a substance‚ as opposed to a change in physical form or a nuclear reaction. Reactant is a substance participating in a chemical
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