The Structure of Matter There is a large overlap of the world of static electricity and the everyday world that you experience. Clothes tumble in the dryer and cling together. You walk across the carpeting to exit a room and receive a door knob shock. You pull a wool sweater off at the end of the day and see sparks of electricity. During the dryness of winter‚ you step out of your car and receive a car door shock as you try to close the door. Sparks of electricity are seen as you pull a wool blanket
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into one molecule of molecular oxygen. The 4 electrons removed from the water molecules are transferred by an electron transport chain to ultimately reduce 2NADP+ to 2NADPH. During the electron transport process a proton gradient is generated across the thylakoid membrane. This proton motive force is then used to drive the synthesis of ATP. This process requires PSI‚ PSII‚ cytochrome bf‚ ferredoxin-NADP+ reductase and chloroplast ATP synthase. I. Photosystem II Photosystem II transfers electrons
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Preparing nitriles from carbonyl compounds is useful in reactions because nitriles are versatile functional groups1. Not only are they versatile functional groups but they serve as precursors in several transformations. The cyano-group is found in many bioactive molecules and plays a role in hydrogen bonding to certain biological receptors.4 Nitriles are carboxylic acid derivatives because they can easily be converted to carboxylic acid under either basic or acidic conditions. Piperonal is an aromatic
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Acid: substance that donates a proton to another substance Base: substance that accepts a proton from another substance -Lewis: Acid: electron pair acceptor Base: electron pair donor Be able to identify Arrhenius‚ Bronsted-Lowry and Lewis acids and bases in an acid-base reaction equation. Understand the concept of conjugate acid-base pairs and how each member differs from the other by one proton. -conjugate base formed by removing a proton from the acid -conjugate acid
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1.0 ASSIGNMENT 1 1.1 Automobile Industry History The birth of the car as we know it today took several years and the works and developments of many people. It was not until 1885 that the first car rolled down the streets‚ however‚ earlier attempts at steam powered road vehicles were successful‚ giving people the idea that cars as we know them today have existed for a lot longer than they have. In the year 1769‚ a French engineer by namely Nicolas J. Cugnot invented the first automobile to
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Nor Amirah Farhana Nawawi‚ Mia Organic Chemistry Lab Report 2 Jessica Sammons TITLE: Preparation of 2-butanone INTRODUCTION: The goal of this experiment was to prepare 2-butanone from 2-butanol. Chromic acid was used in this experiment to in order to prepare 2-butanol. Cr (VI) is rather orange‚ but Cr (III) is dark green - therefore by oxidizing the alcohol (2-butanol)‚ an orange Cr (IV) is reduced to green. NMR and IR tests were taken to determine the result‚ and the crystallized derivative of
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Hydrophobic substances –. III. Acids and Bases A. An acid is any substance that increases the H+ concentration of a solution. B. Acids are proton donors 1. An acid is a substance that dissociates in solution to yield hydrogen ions (H+) 2. H+ = one proton C. A base is any substance that reduces the H+ concentration of a solution D. Bases are proton acceptors E.
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Collins BBA 484 Global Strategies Dr. Laura Pogue April 3‚ 2006 Strategic Plan Selection Proton is currently operating in 50 countries. The company is thinking of exporting to places like Iran‚ Syria‚ China and Indonesia. In order for the company to become global it will need to think about expanding its business to markets such as South America where they are not currently present. Proton should also consider expanding their manufacturing sites to each country in which they operate so
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Atoms and the Periodic Table Chapter 2 Atoms and the Periodic Table / Elements and the Periodic Table * An element is a pure substance that cannot be broken down into simpler substances by a chemical reaction. * Each element is identified by a one- or two-letter symbol. * Elements are arranged in the periodic table. * The position of an element in the periodic table tells us much about its chemical properties. Atoms and the Periodic Table / Elements and the Periodic
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1 1 The nucleus of one of the isotopes of nickel is represented by 60 Ni. 28 Which line in the table correctly describes a neutral atom of this isotope? number of protons A B C D 28 28 60 60 number of neutrons 32 60 28 32 number of orbital electrons 28 28 28 32 2 A nucleus of bohrium x Bh decays to mendelevium y emissions. bohrium x Bh → dubnium + α y → lawrencium + α 255 Md 101 by a sequence of three α-particle → mendelevium 255 Md + α 101 How many neutrons are there in a
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