of the hydrochloric acid and the rate of a reaction. To find this out I will react different concentration of hydrochloric acid and magnesium‚ from there I will monitor the gas (hydrogen) produced and analyse the results. Prediction: I predict the higher the molarity of the hydrochloric acid the faster the rate of reaction therefore the quicker the gas will be produced in the specific time interval. Overview of the experiment: In this reaction two substances will be present in the solution
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Experiment 15 & 16: Preparation of 1-bromobutane‚ an SN2 reaction Preparation of 2-chloro-2-methylbutane‚ an SN1 reaction Introduction The purpose of this experiment is to synthesize 1-bromobutane from 1-butanol and sodium bromide. In order for this reaction to reach completion there are four major operations that need to be performed. The four major operations include refluxing‚ simple distillation‚ separation‚ and drying. To begin‚ in order for the compounds to react they will be dissolved
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The Michael addition is a reaction named after Arthur Michael. Discovered in 1887‚ this is a carbon-carbon bond making reaction. The result of the Michael addition is a 1‚4 addition of a nucleophile to an alpha‚ beta-unsaturated carbonyl carbon compound. A 1‚4 addition is also commonly referred to as a conjugated addition. Another result of this reaction is a 1‚2 addition of a nucleophile. Some of the common attacking nucleophiles used in this reaction are enolates. Enolates‚ a negatively charged
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going to speak about leadership styles and try to answer the main question‚ which all leaders and managers are facing: which style is the most efficient and reasonable. I have analyzed the article by Daniel Goleman which is entitled “Leadership that gets results” and in my speaking I would mostly base on it. Let me start with the few words about the research‚ which was held by the author. Firstly‚ it offers a fine-grained understanding of how different leadership styles affect performance and
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"Daily News" (later the News Chronicle)‚ being its literary editor 1912 to 1947.[1] He settled in Hampstead‚ in Keats Grove near the John Keats house. The Lynds were well known as literary hosts‚ in the group including J. B. Priestley. They were on good terms also with Hugh Walpole; Priestley‚ Walpole and Sylvia Lynd were founding committee members of the Book Society.[1] Irish guests included James Joyce and James Stephens. On one occasion reported by Victor Gollancz‚ Joyce intoned Anna Livia Plurabelle
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Subject –Chemistry Chemical Equations and reactions Very Short Answer (1 marks each) Write the name and formula of compounds forms between a. Potassium and iodine ion .b.Sodium and sulphide ions . c. Aluminums and chloride ions 2. Why does milk sour when kept for a long time/ 3. What happen when hydrogen combine with oxygen in presence of electric current/ 4. Define electrolysis. 5. What is decomposition reaction? Give an example 6. Calcium oxide react
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Classes of Chemical Reactions Whenever a reaction takes place‚ energy is changed as well when the substances react chemically. Scientists have taken these changes in energy and generalized them. Scientists can take these generalizations and discover more about the nature and tendencies of matter. In this lab‚ the purpose was to perform seven reactions‚ write down their equations‚ and identify the type of reaction. In this lab report‚ several methods of displaying this information will be applied
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Summary This experiment will measure the rate of oxidation of iodide ions by persulphate ions to derive the rate law for the reaction. Starch will be added to the reaction to facilitate the measure of time during the reaction. The reactant solutions will contain (NH4)2SO4 and KI‚ represented as: (NH4)2S2O8 + 2KI -> I2 + (NH4)2SO4 + K2SO4 This can be simplified to: S2O82- + 2I- -> I2 + 2SO42- These equations can only be carried out and be visible after the iodine has completely
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How to get an A in class As a student at Miami Dade College‚ one thing on our minds is how to keep our grades up. This can be a bit difficult to students who return to school as adults or when switching careers. It may seem as if some students are just ‘A ‘students and they are born that way‚ but they are not‚ they just plan on being that way. Planning is the most important thing you can do when taking a new class. For this plan to work‚ you need to keep several things in mind‚ like
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voltage. Strong acids : HCl‚ HNO3‚ H2SO4. - good conductors - large value for current passing Weak acids : CH3COOH‚ H2CO3. - poor conductors - low value for current passing Strong bases : group 1 hydroxides (ie NaOH etc)‚ or lower group 2 hydroxides Ba(OH)2. - good conductors Weak bases : NH3‚ CH3CH2NH2. - poor conductors Reaction rates Similarly‚ the rate of reaction will reveal the strength of an acid. The rate of a chemical reaction is usually proportional to the concentration
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