Introduction Chemical Kinetics‚ described as the study of rate of chemical processes‚ varies on many factors to determine the time needed for a reaction to complete. The rate of reaction of a chemical reaction is important‚ as reactions are of little use if the time period needed for the reaction to occur is too lengthy. Many factors influence the rate of a chemical reaction‚ such as temperature‚ concentration and surface area. The order of the reaction is based on the concentration of the reactants
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What Factors Affect Chemical Equilibrium? Introduction: In investigation 14‚ “What Factors Affect Chemical Equilibrium?”‚ the purpose was to find out which reagents caused a change in the chemical equilibrium. A deep red color was formed when Iron Nitrate [Fe(NO3)3 (aq)] was mixed with water and Ammonium Thiocyanate [NH4NCS (aq)]. The product of these two reactants was Iron Thiocyanate(FeNCS). After different trials of mixing the given reagents
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209 CHAPTER – V PROBLEMS FACED BY SMALL SCALE INDUSTRIES The development of small-scale industries is hampered by a diversity of problems. There are certain problems common to all types of cottage and small scale industrial units. In this context‚ the present chapter is devoted to a detailed study of the problems of the small-scale industrial sector. It also seeks to suggest remedial measures. The basic requirement for the industrial development of a region is the presence of entrepreneurship
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Name Date Class CHAPTER 18 REVIEW Chemical Equilibrium SECTION 18-1 SHORT ANSWER 1. Answer the following questions in the space provided. Silver chromate dissolves in water according to the following equation: → 2Agϩ(aq) ϩ CrO42Ϫ(aq) Ag2CrO4(s) ← Which of these correctly represents the equilibrium expression for the above equation? 2[Agϩ] ϩ [CrO 42Ϫ] [Agϩ]2[CrO42Ϫ] [Ag2CrO4] (a) ᎏᎏ (b) ᎏ ᎏ (c) ᎏ ᎏ 1 Ag2CrO4 [Agϩ]2[CrO42Ϫ] [Agϩ]2[CrO42Ϫ] (d) ᎏᎏ 2[Ag2CrO4]
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The history of the periodic table reflects over a century of growth in the understanding of chemical properties‚ and culminates with the publication of the first actual periodic table by Dmitri Mendeleev in 1869.[1] While Mendeleev built upon earlier discoveries by such scientists as Antoine-Laurent de Lavoisier and Stanislao Cannizzaro‚ the Russian scientist is generally given sole credit for development of the actualperiodic table itself. The table itself is a visual representation of the periodic
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Automotive Industry Analysis The development of the automobile came from many different people from different countries. The development stated in 1769 in France‚ with the invention of a three-wheeler that was powered by steam (Gale‚ 2003). Then in 1800’s the first internal combustion engine was created in Belgian and the first gasoline powered vehicle was constructed in 1885 in Germany (Gale‚ 2003). Henry Ford built the first car in 1896 (Gale‚ 2003). He then revolutionized the industry with the
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Incumbent Company: Dr. Reddy’s Laboratories ¬¬¬ Indian Pharmaceutical Industry can be valued at around $20billion (2009). By Volume‚ India is world’s second largest producer of pharmaceuticals‚ while by value it is world’s thirteenth largest. It is expected to grow at CAGR of 12% for 2010-2012 (global average 6%).Around 95% of Domestic demand is catered by Indian Pharmaceutical companies. In Indian Pharmaceuticals Market‚ Formulations accounted for 65% while Bulk Drugs accounted for 35% by
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Pharmacognosy is the study of drugs of natural origin. The term comes from two Greek words: "pharmakon" meaning drug or medicine‚ and "gnosis" meaning knowledge. The American Society of Pharmacognosy defines pharmacognosy as "the study of the physical‚ chemical‚ biochemical and biological properties of drugs‚ drug substances or potential drugs or drug substances of natural origin as well as the search for new drugs from natural sources". Plant preparations are said to be medicinal or herbal when they
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Atoms‚ Airs‚ and Chemical Bonding Rich McConnell‚ CH-201 Grantham University Atoms‚ Airs‚ and Chemical Bonding 1. Alcohol in our digestive system reacts with oxygen gas to form carbon dioxide and water. How many grams of carbon dioxide are released if a 10.00 g alcohol sample reacts with 20.85 g of oxygen gas and produces 11.77 g of water? Answer: 19.08g CO2 2. Using the periodic table‚ fill in the missing information in the following table: Protons Neutrons Electrons Isotope Symbol 27 32 27
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Determining the Chemical Formula of a Hydrate Chemistry 11 3/5/2013 Purpose: To determine the percent by mass of water in a hydrate of copper (II) sulfate hydrate. Hypothesis: I hypothesize that when the solution is heated the hydrate will convert to an anhydrous ionic compound. Then the percentage composition will be determined by weighing the mass of the white crystals. Materials: 400ml beaker‚ hot plate‚ tongs‚ scoopula‚ electronic balance‚ glass rod‚ hot pad‚ and 4g of hydrated
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