Experiment # 1 Date: 18/12/13 Title: Chemical Properties of Alkanes. Aim: To test the reactivity of alkanes using cyclohexane as an example. Apparatus/Materials: Cyclohexane‚ liquid alkane‚ aqueous bromine‚ test tubes‚ light source‚ watch glass‚ splint‚ 0.1 MKMnO4‚ concentrated H2SO4‚ dilute H2SO4. Method: Combustion: 1. A watch glass was placed on a benched protection sheet in a fume cupboard and the extractor in the fume on. 2. 4 drops of cyclohexane was placed on the watch glass using
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Chemical disaster at Jaipur occurred on 29th October 2009 at 7:36 PM (IST). Fire broke out at Jaipur fuel storage and distribution terminal‚ owned by the Indian Oil Corporation (IOC) - India’s largest oil company and PSU in terms of revenue at Sitapura Industrial Area on the outskirts of Jaipur‚ Rajasthan. The oil depot at Sitapura Industrial Area is about 16 kilometers away from the city of Jaipur. The Met department recorded a tremor measuring 2.3 on the Richter scale around the time the first
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Objectives 1. To recognize the macroscopic properties of five chemical systems at equilibrium 2. To observe shifts in equilibrium concentrations as stresses are applied to the systems. 3. To observe a shift in equilibrium concentrations associated with changes in temperature. 4. To explain the observations obtained by applying Le Chatelier’s principle. Materials Refer to page 209 of Heath Chemistry Laboratory Experiments. Procedure Refer to pages 209 – 211 of Heath Chemistry
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Introduction The following report shows that the proposal of the modernisation project should obtain funding from the corporate headquarters of Victoria Chemicals. The project has an initial outlay of GBP12 million to renovate and rationalise the polypropylene production line at Merseyside plant. This is done in order to make up for deferred maintenance and exploit opportunities to achieve increased efficiency. This report will look at the following four main areas of concern in order
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is the identity of Crystal “X”‚ Liquid “Y”‚ and Liquid “Z”? 2. Why were the colors different when Crystal “X” was added to Liquid “Y”‚ but when they were mixed it turned from green to blue? 3. Why did the metal foil turn brownish red once added to Crystal “X” and Liquid “Y” solution? 4. Were Liquid “X” and Liquid “Y” the same liquid? 5.What chemical reaction happened that made vapor during the combination of metal foil and Liquid “Z”? 6. What made the liquid turn darker in the combination of
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Chemical equilibrium is the point at which the concentrations of reactants and products do not change with time. It would appear as if the reaction has stopped‚ but in fact‚ the rates of the forward and reverse reactions are equal‚ causing the reactants and products to be created at the same rate. This can be expressed mathematically in the form of the equilibrium constant. The following is the general equation for a reversible chemical reaction: aA+bB →cC+dD
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Introduction: A balanced chemical equation has reactants and product that has to represent a formulae. The amount of each element‚ number needs to be the same in either side of the equation. (E.g.‚ HCl(aq)+NaHCO3(s) reacts to produce NaCl(aq)+H2O(I)+CO2(g)‚ this is the equation given for this lab). This help us view the study of Law of Conservation of Mass‚ when either side of equation is equally balanced. The calculation for formula mass helps determine if you need to convert grams to a particular
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The Grayson Chemical Company I. Problems A. Macro 1. Grayson has become stagnant‚ failed to change‚ and is no longer competitive. 2. The current people at Grayson are not acceptable to change. 3. There is a culture of doing things by the book. B. Micro 1. Incompetent managers promoted. 2. Board does not have a consensus of opinion. II. Causes 1. Grayson has not been proactive with its environment. 2. Corporate culture is very resistant to change. 3. Board does not speak with one
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Year 11 Module 1 – The Chemical Earth The Earth is made up of a large number of different substances: elements‚ compounds & mixtures We can classify elements & compounds as pure substances. These are always HOMOGENEOUS. Mixtures are not pure substances and can be either homogeneous or HETEROGENEOUS. Pure substances have a fixed composition eg copper metal‚ sulfur‚ carbon dioxide (CO2)‚ methane (CH4). Mixtures have variable composition and can also be separated into its components relatively
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32 48 13 32 48 14 32 48 Ratio: 48:32=6:4=3:2=1.5 Conclusion: Answer the following questions in complete sentences‚ giving detailed explanations and support for each of your answers. 1. Explain in your own words what it means for a chemical system to be in the state of dynamic equilibrium. After a reaction has occurred for awhile at a given temperature‚ the forward and reverse reaction rate will eventually be equal. Although you may get this confused‚ the concentration may not be
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