Investigating Aspirin Aims Synthesize my own aspirin Analyse the purity of my aspirin samples (aspirin and recrystallized aspirin) compared to commercial aspirin by use of analysing melting points‚ TLC plates and colorimetry tests Investigate how pH effects the rate of hydrolysis of aspirin Background theory Making my own sample of Salicylic acid (to then be converted into Aspirin) Salicylic acid (2-Hydroxybenzoic acid) can be made by hydrolysing methyl 2-hydroxybenzoate. Oil
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Kinetic Art Kinetic art: the art of motion. Kinetic art contains a/or several moving parts and depends on motion for its effect. The motion of the art work can be provided in virtually any way. It can be powered by natures elements; wind‚ wave power from water‚ or heat from a fire; It can also be powered mechanically through electricity‚ steam‚ clockwork using earths natural phenomena’s ‚ gravity‚ motors‚ or even through the observer such as cranking a handle‚ or giving a push. (Kinetic) What
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Introduction Reactions don’t always produce the same product‚ even if the reactants are kept constant. Some reactions have the capacity to produce two or more different products‚ depending on the reaction conditions and control such as thermodynamic and kinetic control. Thermodynamic control produces more stable products (University of Windsor‚ 2015). A kinetic control forms products at a faster rate faster rate because of its lower activation energy (UC Davis ChemWiki‚ 2015). By manipulating these
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The idea of kinetic art is getting a bit of a workout at the moment. MIT Museum recently hosted “year of kinetic art‚ including “5000 Moving Parts‚” a kinetic art exhibiton featuring large-scale works by Arthur Ganson‚ Anne Lilly‚ Rafael Lozano-Hemmer and John Douglas Powers. Plus the Kinetic Art Organization has published a digital “International Collection of Essays About Kinetic Art—2013—volume 1.” The two don’t overlap: The MIT show highlights a somewhat different segment of artists working
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Investigating the rate of reaction between Marble Chips (Calcium Carbonate) and hydrochloric acid Aim. In the investigation I am going to find out how the surface area affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small/large pieces of Marble Chips (Calcium Carbonate) and Hydrochloric acid per minute. Hypothesis. The rate of reaction increases when the surface area of a solid reactant is increased. This happens because by
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Molecular Biology CTW: Enzyme Kinetic Dr. Cruz 07/22/2010 Enzyme kinetics Introduction Enzymes are biological catalysts or assistants‚ without enzyme many of important processes of life could not happen. Most of enzymes are proteins that help speed up chemical reactions by lowering amount of activation energy needed for the reaction1. Enzymes are usually highly selective‚ only bind to specific substrate and convert it to product at a particular rate1. The rate of the reaction affects by substrate concentration:
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KINETIC SCULPTURE EVALUATION Ekin Kara KINETIC SCULPTURE EVALUATION TESTS TEST 1 Movement Test Procedure Blow Dryer‚Wind‚ Blowing‚ Touching‚ Fan Outcome When I used blow dryer‚ the only vane that turned was the one that was right in front of the blow dryer even though I increased the volume. But I think it happened because the blow dryer only focuses on one point so it doesn’t effect the other vanes. When I used the power of wind‚ I realized that the result was so much
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solid surfaces in contact. Dry friction is also subdivided into static friction between non-moving surfaces‚ and kinetic friction (sometimes called sliding friction or dynamic friction) between moving surfaces. * Lubricated friction or fluid friction resists relative lateral motion of two solid surfaces separated by a layer of gas or liquid. * Fluid friction is also used to describe the friction between layers within a fluid that are moving relative to each other. * Skin friction
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Tenth Annual WILLEM C. VIS (EAST) INTERNATIONAL COMMERCIAL ARBITRATION MOOT Hong Kong SAR September 2012 - March 2013 Oral Arguments 11 to 17th March 2013 th THE RULES Organized by: The Vis East Moot Foundation Limited INTRODUCTION I. The Willem C. Vis (East) International Commercial Arbitration Moot 1. The Willem C. Vis (East) International Commercial Arbitration Moot is an annual competition of teams representing law schools throughout the world (the "Moot"). In the Ninth Annual Moot
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Introduction to Amino Acids and Protein Molecules In the following tutorial you are going to - View molecules with the help of molecular visualization software (Jmol) - Get an introduction to amino acids and protein molecules - Model amino acids and dipeptides with molecule kits - Use a data base (PDB) to view protein molecules (hemoglobin and myoglobin) - Inform yourself about sickle-cell-anemia To use all following links properly JAVA has to be enabled on your computer! Where appropriate
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