REACTIONS OF HYDROCARBONS Vanessa P. Manibpel De La Salle University - Dasmariñas ABSTRACT Five substances namely Hexane‚ Eugenol‚ Unknown hydrocarbon 1‚ Unknown hydrocarbon 2‚ and Acetylene gas was used for the selective reactivity of hydrocarbons to functional group tests; Bayer’s test‚ Bromine test light‚ Bromine test dark‚ and Tollen’s test. In Bayer’s test‚ only Acetylene‚ Eugenol and Unknown hydrocarbon 2 reacted positively and the rest retain the purplish color of KMnO4. On the other hand
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The following paper presents a balanced scorecard for the supply chain management in a hospital. Hospitals strive to operate efficiently while providing the best patient care. By managing the supply chain strategically‚ hospitals can save costs‚ provide better patient care‚ better serve the demands of professional staff and also maintain a sound relationship with its suppliers. According to my understanding‚ the main goal of the hospital that I previously worked was not profitability‚ but to provide
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(1) 10-Mbps Ethernet‚ 10BASE5 (also known as thick ethernet or thicknet) was the original commercially available variant of Ethernet For its physical layer it used cable similar to RG-8/U coaxial cable but with extra braided shielding Disadvantages Adding new stations to network was complicated by the need to accurately pierce the cable. The cable was stiff and difficult to bend around corners. One improper connection could take down the whole network and finding the source of the trouble
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Abstract This experiment is to study the effect of temperature on the rate of reaction between potassium permanganate with oxalic acid. We used 2cm3 of 0.02M potassium permanganate and 4cm3 of 1M sulphuric acid into a test tube. In another test tube‚ we placed 2cm3 of oxalic acid. We placed the test tubes in a water bath at 40‚ 45‚ 50‚ 55 and 60oC respectively. When the solutions have attained these temperatures pour the oxalic acid into the acidified permanganate solution and recorded the time
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Rates of Reaction Coursework Aim: To find out how different concentrations of sodium thiosulphate (Na S2 O3) affects the speed of its reaction with Hydrochloric acid (HCL). Introduction When Sodium Thiosulphate and Hydrochloric acid react they produce a cloudy precipitate. Both of the chemicals are clear solutions and they react together to form a yellow precipitate of sulphur‚ the equation for this reaction is: Na2 S2 O3 + HCL‚ H2 O + NaCL + SO2 + S Sodium Thiosulphate + Hydrochloric
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1M in net profit by 2015. The goal can be reached ONLY by changing and adapting the menu to a vegetarian one. Some loyal customers will be lost‚ because the veal cutlet sandwich will basically disappear from the menu by 2015. Nevertheless contribution margin is increased by giving advantage to products that have more contribution margin per limited resource. Analysis shows that vegetarian sandwiches are the future key success factors for the restaurants. Livoria cannot reach the 1.1M in net profit
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Running head: General Dynamics Balanced Scorecard General Dynamics Balanced Scorecard Executive Summary “General Dynamics is one of the market leaders in business aviation‚ combat vehicles‚ weapon systems and munitions; ship building and marine systems; and mission-critical information systems and technology (Corporate Overview‚ 2012).” In 2012‚ General Dynamic’s revenue has expanded from $4 billion to over $32 billion and the workforce has steadily increased from 29‚000 to
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Observations: Part I: Reaction between iron and oxygen Appearance of steel wool after 20 minutes From (relatively) shiny metal strips to not-so-shiny strips that are stained with dark‚ reddish-brown stuff. Part II: Decomposition of hydrogen peroxide Appearance of potato and hydrogen peroxide combination: Lots of white‚ foamy bubbles around the potato slices. Day 2 Observations: Part III: Reaction between zinc and acetic acid Appearance of penny in vinegar after
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CHEMICAL PARAMETERS OF FRESHWATERS Objectives At the end of this section‚ students should be able to 1. Distinguish between freshwaters and seawater in terms of ionic composition. 2. Describe the variation of ionic composition in natural freshwaters and other inland waters. 3. Explain the factors that contribute to such variation. 4. Describe Gibbs’ model that explains the major factors contributing to variation in chemical composition of inland waters. 5. Explain
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precipitation reaction is‚ describe ways which one can predict whether a precipitation reaction would form or not‚ describe the uses of precipitation reactions in everyday activities and industries BACKGROUND INFORMATION: Precipitation is the formation of a solid in a solution during a chemical reaction‚ such as evaporation. A substance that causes precipitation when it is added to a solution is called a precipitant. This can occur when an insoluble substance is formed in the solution due to a reaction or
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