report. HARPREET KAUR B.Com - I Roll. No. 313 Project Report On “Investigation on the foaming capacity of different samples of washing soaps and the effect of addition of sodium carbonate on them” Aim of the Project 1. Compare the foaming capacity of different washing soap. 2. The effect of addition of sodium carbonate in them. Experiment - I Compare the foaming capacities of different samples of soap. Apparatus Material 1. Five 100ml conical Flask 1. Five different Soap
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CHM152LL LAB MANUAL COMPLEXOMETRIC DETERMINATION OF WATER HARDNESS Complexometric Determination of Water Hardness Introduction Complex ions When a neutral molecule or anion (a Lewis base) donates electron pairs and attaches itself to a metal ion center (a Lewis acid)‚ the resulting cluster‚ or complex‚ of atoms becomes a single complex ion. When such complexes form‚ the electron donating groups (called ligands) form coordinate covalent bonds through empty orbitals on the metal ion. An example
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January 4‚ 2013 Chemistry Honors Title: Hydrates Purpose: To find the mass percentage of water in the hydrate. Materials: * Watch glass * 2.82 g hydrated crystal (CuSO4*5H2O) * Evaporating dish * Bunsen burner * Electronic balance * Metal tongs * Ring stand Procedure: 1) Determine the mass of evaporating dish and watch glass. 2) Add between 2 and 3 grams of the hydrated crystal to the evaporating dish. 3) Determine the mass of the dish and crystal
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how we were able to find the limiting reagent in this lab. A limiting reagent is the chemical that will be used up first. Many calculations had to be made throughout this lab. Some of the calculations we made were finding the amount of moles of Sodium Hydroxide and Calcium Chloride from the eight different test tubes. Sunny Patel Chem 101 10-13-09 Discussion and Conclusions The whole purpose of this lab was to apply stoichiometry to a chemical reaction. Our calculations all depend on
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provide sorbents for flue gas desulfurization in power plant. LM vertical grinding mill products can improve the combustion efficiency of coal and flue gas desulphurization. are many types of non-metallic minerals‚ pyrophyllite and kaolin‚ calcium carbonate‚ quartz sand‚ gypsum‚ bentonite‚ material characteristics vary widely‚ its processing characteristics of product fineness is high‚ usually in the 97% by 1250~325 (10~44Μm) range. Preparation of non-metallic vertical mill high fine mineral
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The poem harmonium examines the relationship of a father and son. I think Armitage has written this poem for parents and children as they would be able to relate to the emotions in the poem. The Author uses the Farrand Chappelette which is a type of Harmonium or small organ to help him reflect the love that he has for his father. In the first stanza the poet talks about the Farrand Chappelette which was “gathering dust” telling us that it is getting old and it was due to be taken to the skip if Armitage
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is left in a sunny place. [1] © UCLES 2011 1113/01/SP/12 [Turn over 4 3 Maya investigates the reaction between calcium carbonate and hydrochloric acid. She adds dilute hydrochloric acid to some calcium carbonate (marble chips)‚ at room temperature. She collects the gas given off in a gas syringe. For Examiner’s Use dilute hydrochloric acid syringe calcium carbonate (a) Suggest one safety hazard in this experiment. How can Maya reduce the risk from this hazard? hazard how to
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Carbonates react with strong acids to give off carbon dioxide and water. Marble is calcium carbonate and thus behaves in the same way: CaCO3 (s) + 2HCL (aq)  CaCL2 (aq) + H2O (l) +CO2 (g) In this experiment‚ I am going to see if temperature affects the reaction rate between marble chips and hydrochloric acid by timing the release of carbon dioxide in the reaction. I predict the higher the temperature‚ the faster the reaction rate. This is due to the kinetic theory. The more heat
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Remineralization of desalinated water. The product water after desalination characteristically has very low mineral content‚ hardness‚ alkalinity‚ and pH. The water has an unpleasant taste so it must be conditioned prior to final supply and use. The main purposes of remineralization are a. Provide protection to the distribution system to prevent corrosion b. Add minerals that are essential to human dietary needs. c. To facilitate the secondary use of the desalinated water‚ for example‚ irrigation
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* Calcium‚ functions for strong bones and teeth‚ sources are milk and green leafy vegetables. * Phosphorus‚ functions for acid balance‚ calcification of bones and teeth and energy of metabolism‚ sources are meat‚ poultry‚ fish‚ and milk. * Sodium‚ functions to promote acid-base balance and water balance‚ sources are salt‚ soy sauce‚ and processed foods. * Potassium‚ function are protein synthesis and water balance‚ sources are meats‚ fruits and vegetables. * Sulfur‚ functions as a
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