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    acid pickling

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    Pickling and Passivating Stainless Steel Materials and Applications Series‚ Volume 4 Euro Inox Euro Inox is the European market development association for stainless steel. The members of the Euro Inox include: • European stainless steel producers • National stainless steel development associations • Development associations of the alloying element industries. The prime objectives of Euro Inox are to create awareness of the unique properties of stainless steels and to further their

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    Acid Rain Lab Report

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    Acid Rain Lab #1 Chem. 1 20 February 2016 Concordia University Texas Angelina Luna angelinaluna97@yahoo.com Chem 1- Sect C Acid Rain Lab #1 Professor Koeck Abstract In this experiment our main objective was to create three gaseous oxides CO₂‚ SO₂ and NO₂ by using data that was collected using a pH sensor which was connected to a laptop with LoggerPro and Vernier. We created the gases by bubbling each gas into the water to create the three acidic solutions we were looking for. Once that

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    What Is Acid Rain

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    What is acid rain? Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm‚ typically to forests and lakes. What chemicals make rain acidic‚ and how does it happen? Besides water‚ and carbonic acid (from carbon dioxide dissolved in the rain droplets)‚ the primary components of acid rain are sulfuric acid‚ which comes from sulfur dioxide derived from the burning of coal‚ and nitric acid‚ which from nitrogen emissions. Where do these chemical come from?

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    PRACTICAL 7 TITLE : DETERMINATION OF ERYTHROSINE CONCENTRATION USING UV- VISIBLE SPECTROPHOTOMETER INTRODUCTION In chemistry‚ spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. It is more specific than the general term electromagnetic spectroscopy in that spectrophotometry deals with visible light‚ near-ultraviolet‚ and near-infrared‚ but does not cover time-resolved spectroscopic techniques. Spectrophotometry

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    Effects of Acid Rain

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    Acid Rain Definition: The term acid rain refers to what scientists call acid deposition.  It is caused by airborne acidic pollutants and has highly destructive results. Scientists first discovered acid rain in 1852‚ when the English chemist Robert Agnus invented the term.  From then until now‚ acid rain has been an issue of intense debate among scientists and policy makers. Acid rain‚ one of the most important environmental problems of all‚ cannot be seen.  The invisible gases that cause acid

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    (room temperature‚ humidity etc.) Materials: 2 apples A stopwatch A camera 7 cups 7 plates Paper and pen (for labels) 300mL of vinegar 300mL of orange juice 300mL of lemon juice 300mL of milk 300mL of water 300mL of methylated spirits 300mL of baking soda solution 1 serrated knife Method: 1. Gather all materials and determine the pH of the 7 substances used. 2. Make the baking soda solution by dissolving the powder into water at a ratio of 1:3. 3. Pour each substance into

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    CARBOXYLIC ACID

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    CARBOXYLIC ACID Introduction: Organic compounds containing (–C(O)–OH) as a functional group are called carboxylic acids. The –C (O)-OH group which itself is made up of a carbonyl group (>C=O) and a hydroxyl group (-OH) is called a carboxyl group (carb from carbonyl and oxyl from hydroxyl group). Carboxylic acid may be an aliphatic or an aromatic depending upon whether –C–OH is attached to an alkyl group ( or a hydrogen atom) or an aryl group. Their general formulas are; ALIPHATIC CARBOXYLIC ACID: R–C

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    Lauric Acid

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    Lauric Acid Lauric acid‚ also known as Dodecanoic Acid‚ was discovered in 1849 by Marrsson T. It was first discovered in Lauraceae seeds‚ but it is also commonly found in soaps‚ vegetable oil‚ coconut oil‚ and breast milk. Lauric Acid is a clear‚ solid compound that is insoluble in water. It also comes in the form of a white powdery substance. The chemical formula is C12H24O2. It has a molecular weight of 200.32 g/mol. Lauric Acid also has a melting point of 44 C and a boiling point of 289.9

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    Acids and Bases Exercises

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    CALCULATIONS INVOLVING ACIDS AND BASES    Review of Important formulas      pH = ‐ log10[H+]                            [H+]   =  10‐pH          pKa = ‐ log10 Ka                             Ka   =  10‐pKa    pOH = ‐ log10[OH‐]                       [OH‐]   =  10‐pOH    pKb = ‐ log10 Kb                              Kb  =  10‐pKb          The ionic product of water = Kw  =  [H+]  x  [OH‐]  =  1.0 x 10‐14 mol2 dm‐6 at 298 K  The expression varies with temperature    pH    +     pOH      =     14 

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    Nucleic acids

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    on biological thinking as the discovery of base-pairing in nucleic acids. These complementariness principles do not only underlie current ideas on the structure of the nucleic acids‚ but they form the foundation of all speculations‚ more or less well- founded‚ on their physical properties (denaturation‚ hypochromic- ity‚ etc.)‚ on the transfer of biological information from deoxy- ribonucleic acid to ribonucleic acid‚ and on the role of the latter in directing the synthesis of specific

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