Determination of the Solubility of Calcium Hydroxide Apparatus * Solid calcium hydroxide * 0.4 mol/dm hydrochloric acid * Distilled water * Pipette * Triple valve rubber pipette filler * Conical flask * Beaker * White tile * Clamp and stand * Methyl orange indicator Producing the calcium hydroxide solution 1. Roughly fill a beaker with 200cm³ of distilled water. This does not need to be accurate because samples will be taken from this. 2. Add solid calcium
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ABSTRACT The average concentration of CaCO3 obtained was 212 ppm‚ with a standard deviation of 1 ppt. The results indicate that the unk B tap water can be considered as hard water. INTRODUCTION Hard water is due to metal ions (minerals) that are dissolved in the ground water. These minerals include Ca 2+‚ Mg2+‚ Fe3+‚ SO42-‚ HCO3-. When this water evaporates or boils‚ the difficult to dissolve metal salts remain as a scaly residue. Hard water inhibits the effectiveness of soap and detergents
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| Determination of the Critical Micelle Concentration | | | | Introduction: Purpose: The purpose of this experiment is to use the Conductometric method to determine the critical micelle concentration of SDS. Materials and Equipment: * SDS- Sigma Aldrich‚ Lot: 38H0080‚ S/N: L-439‚ * NaCl- Food grade Great Value * SDS 20% solution- Fisher Biotech‚ S/N: BP1311-200‚ Lot: 468059 * Wave generator- Pasco Scientific‚ S/N PI-9587C * Ammeter- Keithley Auto-ranging
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The Themes of Antigone Antigone is credited as one of the best works of Sophocles‚ ranked by most modern critics above Oedipus the King. There are many aspects of Antigone that make it the play critics love to ramble about. "Antigone must be received as the canon of ancient tragedy: no tragedy of antiquity that we possess approaches it in pure idealism‚ or in harmony of artistic development" says one critic named Berhardy. Tragedy is usually concerned with a person of great stature‚ a king
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Alchemist‚ Santiago embarked on a journey that he would have never completed without determination‚ courage‚ and love aiding him along the way. If Santiago had not possessed these traits‚ he would have never been able to fulfill his dream. An examination of his journey reveals the importance of determination‚ courage‚ and love in Santiago’s life. One of Santiago’s defining qualities was his determination. Santiago was determined to pursue his personal legend which he saw in his dream. Also
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Themes of Change When you are born people are there to take care of you‚ love you‚ and guide you through life. As you grow up and life changes‚ you must take charge of your own life and not become so dependent on others. Throughout the course of life a person will encounter many changes‚ whether good or bad. In “A&P”‚ “The Secret Lion”‚ and “A Rose for Emily”‚ the main characters in the stories are Sammy‚ the boys‚ and Miss Emily who face changes during their
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The Themes of Antigone Antigone is credited as one of the best works of Sophocles‚ ranked by most modern critics above Oedipus the King. There are many aspects of Antigone that make it the play critics love to decipher and rave about. "Antigone must be received as the canon of ancient tragedy: no tragedy of antiquity that we possess approaches it in pure idealism‚ or in harmony of artistic development" hails critic Berhardy (Theatre History). He goes on to rave "It is the first poem produced by
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Journal of Engineering and Applied Science Volume 4‚ June 2012 © 2012 Cenresin Publications www.cenresinpub.org DETERMINATION OF THE RHEOLOGICAL PROPERTIES OF DRILLING FLUID FROM LOCALLY SOURCED CLAY FROM VARIOUS GEOGRAPHICAL AREAS Ajugwe .C‚ Oloro. J and 3Akpotu. D. Department of Petroleum Engineering Delta State University‚ Oleh Campus E-mail: joloroeng@yahoo.com ABSTRACT The rheological formulation of our locally sourced bentonite clay in substitute for the imported foreign bentonite clay
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Theme is a very important part of any work‚ whether that work is a poem‚ a short story‚ a novel‚ or even a play. The theme incorporates a common idea‚ emotion‚ or item that is expressed throughout the work using different literary tools and styles. Themes allow a reader to relate to the story‚ learn a lesson or a moral‚ or understand a point that an author is trying to get across. In literature‚ death is a predominant theme. Death is a major part of any religion or worldview‚ and every group handles
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Determining the Percent Copper and Zinc in Pennies from Density Lab Report Procedure: For pre-1982 pennies- Mass 10 pennies‚ record data. Fill a 100mL graduated cylinder to 40mL or enough to fully submerge the pennies with water‚ record the volume in data table. Carefully place the pennies into the graduated cylinder‚ record the final volume of the water in data table. To find the volume of the pennies‚ subtract the final volume from the initial‚ record the data. Repeat this procedure twice more
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