Chemistry SL! Research Question! How is the solubility of sodium hydroxide (NaOH) in water affected by temperature? ! ! Introduction ! Sodium hydroxide is categorised as metal halide salt‚ composed of sodium and chlorine.! The ions present in the solid crystals of potassium chloride dissolve and gain mobility in water. When potassium chloride is dissolved in water‚ the following endothermic reaction occurs:! NaOH(s) + H2O(l) → Na+(aq) + OH–(aq) + H2O(l)! This reaction takes place because
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Number of Drops of HCl and NaOH on the Net Change in the pH of Plant‚ Animal‚ and Nonbiological Solutions Research Question: How do plants and animals respond to changes in pH? Analysis Questions: Summarize the effects of HCl and NaOH on the tap water. HCl is an acid and when in tap water‚ dissociates into H+ and Cl-. Since it releases the H+ ion in the tap water‚ it raises the concentration of H+‚ which lowers the pH of the tap water. Unlike HCl‚ NaOH is a base. NaOH is a base because when in the
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Drain cleaner is mostly made up of the strong base NaOH but also has other substances in it to efficiently clean a lodged pipe such as aluminum‚ sodium nitrate‚ and sodium chloride. All the homeowner ahs to do while using drain cleaner is to pour I down the clogged drain and maybe run some water‚ inside the pipe the chemicals go to work for you. But even though it sounds simple precaution must be taken in order to prevent injury to our body. NaOH must be produced correctly before it can be used
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Procedure: A 0.170g sample consisting of a mixture of 0.110g of an unknown neutral compound and 0.060g of benzoic acid was mixed with ether and shaken until all solids dissolved. NaOH was added‚ shaken‚ allowed to separate and the bottom layer removed and transferred to a test tube labeled “NaOH 1st extract”.
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Standardization of international marketing strategy by firms from a developing country Standardization of marketing strategy 107 Shaoming Zou University of Missouri‚ Columbia‚ Missouri‚ USA David M. Andrus and D. Wayne Norvell Kansas State University‚ Manhattan‚ Kansas‚ USA A major debate in the international marketing literature deals with the globalization of markets and the extent to which a company’s international marketing strategy can be standardized (Buzzell‚ 1968; Cavusgil
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Experiment 5 Preparation and Standardization of Potassium Permanganate Standard Solution Purposes 1.To know the method of preparation and standardization of potassium permanganate standard solution. 2. To grasp the principle‚ the conditions and the method of permanganate titration. 3. To grasp the determination of hydrogen peroxide in hydrogen peroxide solution with permanganate method. Principle Permanganate titration with potassium permanganate solution (KMnO4) as standard solution is one of the oxidation-reduction
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Authors: Ingrid Bernier and Elise Meyer Supervisor: Jean-Charles Languilaire Level: Bachelor Thesis in Business Administration‚ Marketing Key words: Culture‚ international marketing‚ marketing strategies‚ standardization and adaptation Purpose: Compare two strategies‚ standardization and adaptation‚ to show how companies manage cultural differences. Method: Our research method is a descriptive one. Then‚ we collect data from secondary sources such as the books‚ articles‚ journals and studies
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Gamboa ABSTRACT Solutions of known concentration are prepared by dissolving measured masses of standard acids in distilled water. The concentrations of unknown solutions of sodium hydroxide are determined by titration. An acid solution reacts with a base solution in a "neutralization" reaction. Titrations permit the concentrations of unknown acids/bases to be determined with a high degree of accuracy. In order to analyze unknown acids/bases‚ we must have a "standard" solution to react with the
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Standardization vs. Localization: A Disney Case Study Multi-national organizations are becoming more prevalent in the global economy. The expansion into new countries requires companies to examine policies and products more closely. Standardization and localization are the options available to corporate decision makers when deciding whether products will be consistent across geographic borders or will vary based on the culture in local regions. Many levels of standardization and localization
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12-STANDARDIZATION OF SODIUM HYDROXIDE Standard solutions for titrations are especially pure mixtures with exactly known concentrations. Primary standards are very pure solids. They have the advantage that they can be weighed (the analytical balance is normally the most accurate instrument in the laboratory) and they are stable under laboratory conditions. In this experiment‚ the primary standard is oxalic acid dihydrate‚ H2C2O4 ( 2H2O. It will be used to standardize a solution of sodium
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