MANUFACTURE OF SULPHURIC ACID IN INDUSTRY 1. Contact process produces more than 90% of the world’s sulphuric acid. 2. The raw materials used for the manufacture of sulphuric aced are sulphur‚ air and water. 3. The Contact process consists of three stages. a) Production of suphur dioxide b) Conversion of sulphur dioxide to sulphur trioxide. c) Production fo sulphuric acid 4. Stage I: Production of sulphur dioxide a) Sulphur is burnt in air to produce sulphur dioxide. S(s) + O2 (g)→SO (g) b) Burning
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INTRODUCTION Lactic Acid is an organic compound with the formula CH3CH (OH) COOH. Lactic is one of the types of fermentation which occur under anaerobic respiration to produce ATP without the use of oxygen. Anaerobic respiration takes place in certain prokaryotic organisms that have an Electron Transport Chain (ETC) but do not use oxygen as a final electron acceptor at the end of the chain (Campbell et all‚ 2015) different with the aerobic respiration which use oxygen to produce ATP and its final
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est paying jobs. Furthermore‚ Sinhala‚ the language of the Sinhalese‚ became the official Sri Lankan language. The Tamils had hoped that the island’s independence would bring equality to the country‚ but the cultural differences were just too great. Rioting broke out in 1958‚ followed by some compromises with the Tamils. The Sinhalese prime minister was assassinated Neal Lineback 1959 and there were ultra-leftist terrorist activities. Finally‚ in the early 1980s‚ and Mandy Lineback Gritzner Sinhalese
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Conservation of Mass 9/27/10 Block A5 Materials * Baking Soda (NaHCO3) * Vinegar (acetic acid‚ CH3COOH‚ solution) * Ziploc bags * Weight boats * 100mL graduated cylinder * 150mL beaker * 400mL beaker * Balance The purpose of this lab was to find the mass of the products and reactants and to show a chemical reaction between them. I will use our results to apply what we’re learning in class which consists of: intensive and extensive properties‚ physical and chemical
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Interactive Physiology Worksheet: Fluid‚ Electrolyte‚ and Acid-Base Balance: Acid-Base Homeostasis 1. List the three important buffer systems in the body: protein buffer systems 1. _______________________________________________________________________ carbonic acid- bicarbonate system 2. _______________________________________________________________________ phosphate buffer system 3. _______________________________________________________________________ 2. Write the equation showing the relationship
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Introduction: Acid rain increases the rate of corrosion on statues made of certain material. The town council wants to build a statue that will not be affected by acid rain. In this experiment‚ three different types of rock are used on vinegar (acting as acid rain). The rocks used are marble‚ granite‚ and red sandstone‚ which are the most popular forms of rocks used to build monuments. Each type of rock will be submerged under 20 ml of vinegar in their own separate container. The pH of acid rain around
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Experiment #5: Esterification of Methyl Benzoate from Benzoic Acid October 28‚ 2010 Abstract: This experiment was conducted to synthesize methyl benzoate from benzoic acid and methanol by using the Fischer esterification method. Methanol (12.5ml) and Benzoic acid (4.9 grams) are heated together in the presence of concentrated sulfuric acid (1.5ml) until equilibrium is achieved. A reflux apparatus is set up for 1 hour to carry out the reaction at the boiling point of the solvent (Methanol
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1. Obtain 1 gram of an impure‚ unknown substance solid. Make sure to stir the mixture before measuring the sample; record the mixture’s code in the data section. 2. Add approx. 25-50 mL of water and several boiling chips to a 125 mL Erlenmeyer flask and heat the water to a gentle boil using a hotplate. 3. On a second hotplate‚ place a 125 mL Erlenmeyer flask containing the one gram of unknown solid along with a boiling chip. 4. Using a ring clamp‚ slowly pour approx. 5-10 mL of boiling water into
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Freem an‚ Biological Science‚ 4e‚ Chapter 4 Chapter 4 - Nucleic Acids and the RNA World Learning Objectives: Students should be able to... • Sketch a nucleotide‚ label its three basic parts‚ and identify the 2’‚ 3’‚ and 5’ carbons. • Make another sketch showing the primary and secondary structures of DNA. • Describe the primary‚ secondary‚ tertiary‚ and quaternary structures of RNA‚ and explain in what ways RNA differs from DNA. • Explain why and how the secondary structure of DNA allows
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to get the plugin configuration screen Select Acidspunk and press configure Select a video mode and configure the plugin as desired Click OK Click Close Press Ctrl-Shift-K each time you want to start acidspunk How do I stop acidspunk ? Press ESC Acidspunk requires MMX‚ where can I download that ? You can’t download MMX. MMX is a processor feature introduced in the pentium-chip. Not all pentium chips have MMX‚ however‚ but all Pentium II and newer chips have MMX. Celeron chips have MMX
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