Types of Chemical Reactions The vast number of chemical reactions can be classified in any number of ways. Under one scheme they can be categorized either as oxidation-reduction (electron transfer) reactions or non-oxidation-reduction reactions. Another completely different but common classification scheme recognizes four major reaction types: (1) combination or synthesis reactions (2) decomposition reactions (3) substitution or single replacement reactions (4) metathesis or double
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Catalysts and How They Work How do they work? A common misconception is that catalysts lower the activation energy of a reaction, whereas really, they are using an alternative route of the reaction in order for the bonds of the reactant to be broken with a lower activation energy. The way catalysts situate this ‘alternative route’ is by binding to the reactant molecule and changing the electron configuration so that there is high electron density near the bond that are trying to be broken.
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9028 for run C. Also, the percent error in run C at 33.31% was found to be much lower than the percent error in run D at 55.77%, which mean the concentration of run C is more effective than run D. I. Introduction In this experiment the chemical kinetics of the enzyme catalyzed inversion of sucrose was studied. The reaction that we will study in this experiment is the inversion of sucrose, catalyzed by the enzyme invertase that is derived from yeast:
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Insoluble- Matter that cannot be dissolved. M Miscible- When 2 liquids form a homogeneous mixture when added together. N Non-polar- A hydrophobic (water-hating) chemical group. P Polar- A hydrophilic (water-loving) chemical group. Precipitate- The formation of a solid in a solution or inside another solid during a chemical reaction or by diffusion in a solid. E.g sedimentation or settling. S Saturated- Holding as much water or moisture as can be absorbed. Solute- The minor component in
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Chapter 7-9 Homework Key, CH341 |1. |Give the major organic product of the reaction of 1-ethylcyclopentene with each of the following reagents. Show |[pic] | | |stereochemistry when appropriate. | | |a. D2 with a Pt catalyst. D’s add |b. H-Br |c. H2O with H2SO4 as a catalyst. |d. Cl2: the Cl’s add trans
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Statistics | INTRODUCTION TO STATISTICS | Exercise 1.1 | | Sarah Moya | 9/17/2013 | INTRODUCTION TO STATISTICS Solve the following problems, providing detailed steps wherever required. Also, support each solution with appropriate rationale. 1. The average (mean) atomic weight of all elements in the periodic table is 134.355 unified atomic mass units. Refer to the above data and determine whether the given value is a statistic or a parameter. It is a parameter because the information
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Curtin University of Technology Department of Civil Engineering Environmental Engineering Management 690 Assignment 2 Management of Health and Safety at Work in the Chemical Industry Prepared for: Professor Geoff Taylor By: Mohammed Alshiha Student ID: 13884145 Date: Jan 1st 2010 1.0 Introduction 1 Declaration (i) I have read and understood Curtin University’s policy on plagiarism and I confirm that the work submitted on the 1st of January by me is my own work, and that
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Introduction: I carried out an experiment to determine how the concentration of an enzyme will cause a change in the initial rate of reaction. I worked with three other people and split different tasks between ourselves. This experiment required a lot of safety measures to be taken. Safety: Goggles were needed for the experiment to avoid contact with eyes as we were using hydrogen peroxide which is corrosive, and hot water. Lab. Coats were a necessity in order to avoid the risk of getting the
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Nukes? Summary James Carroll’s “If Poison Gas Can Go, Why Not Nukes?” is a rally for readers to support the elimination of nuclear weapons from acceptable military arsenal just like poison gas was banned. The author believes that just like chemical weapons were developed, used successfully in war and eventually abandoned so will nuclear weapons. Carroll believes that nuclear weapons are dangerous and can be used for enormous destruction. The author builds his arguments from a historical
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LABORATORY NOTEBOOKS Why do we keep a lab notebook? In the ‘real world’, you will be expected to record what you do and how you do it, with the data clearly identifiable. There are 2 reasons for this: • Any scientific experiment is only considered valid if it can be repeated by someone else using your notebook. • If you develop a new product or process, your notebook becomes a legal document that can be scrutinized in a court of law, especially in cases of
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