"Spectrophotometric determination of ascorbic acid concentration in an unknown solution" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 24 of 50 - About 500 Essays
  • Good Essays

    1. The label CORROSIVE on a chemical container indicates Ans : ( b ) that contact destroys living tissue as well as equipment 2. FLAMMABLE means Ans : ( a ) easily ignited and capable of burning rapidly 3. " Fatal if swallowed " indicates Ans : ( c ) that the substance will cause death if ingested 4. What is the correct way to handle the following situation? Briefly explain. a. Chemical : Acetic asid i. Inhalation exposure Ans : Remove the person from the exposure. Begin rescue

    Free Concentration Solution Chemistry

    • 724 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    The Unknown Citizen

    • 705 Words
    • 3 Pages

    <center><b>The Unknown Citizen Is Me</b></center> <br> <br>"The Unknown Citizen"‚ a poem written by W.H. Auden‚ reflects a period of vast change in America’s history‚ making "The Unknown Citizen" an example of the government’s view of the perfect modern man in an overrated‚ unrealistic society. <br> <br>During the time period that this poem was written‚ in the late 1930’s‚ The United States was going through tremendous social‚ political and economic change. Following the passing of Black Monday

    Premium Great Depression United States President of the United States

    • 705 Words
    • 3 Pages
    Satisfactory Essays
  • Better Essays

    Acid-Base Titrations

    • 1141 Words
    • 5 Pages

    Acid-Base Titrations A Titration of Potassium Hydroxide Phthalate and Sodium Hydroxide Hanna Piper Department of Chemistry‚ SUNY College at Brockport‚ Brockport‚ NY 14420 Chemistry 205.06 Abstract Titrations are used to find the molarity of an unknown solution. A titration begins with an analyte and titrant being used to measure the unknown molarity of the analyte. In the following experiment‚ sodium hydroxide was used as the titrant and potassium hydroxide phthalate was used as the

    Premium Sodium hydroxide Titration Chemistry

    • 1141 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Unknown Soldier

    • 680 Words
    • 3 Pages

    I believe that getting the chance to lay a wreath at the Tomb of the Unknown Soldier in Arlington Cemetery would be a tremendous honor. Guarding the tomb is one of the highest military honors‚ but I also think it is a great honor to get to represent your school to remember those who have lost their lives. One major reason I want to lay the wreath is because I have several family members that have been in the military. Fortunately‚ I have been lucky to have my family come home to me alive and known

    Premium United States American Civil War Abraham Lincoln

    • 680 Words
    • 3 Pages
    Good Essays
  • Good Essays

    -The gaining of electrons -The loss of oxygen -The gaining of hydrogen -A decrease in the oxidation state Objective: To find the redox reactions between a metal and dilute acid‚ metal-metal ion displacement and halogen displacement reaction. Materials: Test tubes (8)‚ pea size samples of the following metals; copper‚ lead‚ magnesium and zinc (10 ml)‚ 2M hydrochloric

    Premium Hydrogen Iron Zinc

    • 906 Words
    • 4 Pages
    Good Essays
  • Good Essays

    The Unknown Citizen

    • 945 Words
    • 4 Pages

    Karen Cote English 102 15 February 2011 W. H Auden: The Unknown Citizen The marble monument erected by the state or town is usually of a hometown hero. The person is almost always someone who did well for the country and originated from a certain town. The statue is almost never of someone who is just an ordinary man living life just like everyone else around him. This man is the model citizen; one who never causes a stir‚ goes to war when asked‚ and does everything to serve the common good

    Premium Government Rhyme State

    • 945 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Nitric Acid

    • 1164 Words
    • 5 Pages

    Nitric acid is a highly reactive oxidizing agent used in making fertilizers‚ explosives‚ and rocket fuels‚ and in a wide variety of industrial metallurgical processes. It is also a component of acid rain. Its chemical formula is HNO3 and it has been known as “aqua fortis”‚ which means strong water‚ to alchemists. It is a transparent‚ colorless to yellowish‚ fuming corrosive liquid. Nitric acid is a strong acid and therefore it completely dissociates in water. It has a gravity of 1.41 and the concentration

    Premium Nitric acid Oxygen Sulfuric acid

    • 1164 Words
    • 5 Pages
    Good Essays
  • Powerful Essays

    Acetic Acid

    • 6586 Words
    • 27 Pages

    Vol. 1 ACETIC ACID 115 ACETIC ACID 1. Introduction Acetic acid [64-19-7]‚ CH3COOH‚ is a corrosive organic acid having a sharp odor‚ burning taste‚ and pernicious blistering properties. It is found in ocean water‚ oilfield brines‚ rain‚ and at trace concentrations in many plant and animal liquids. It is central to all biological energy pathways. Fermentation of fruit and vegetable juices yields 2–12% acetic acid solutions‚ usually called vinegar (qv). Any sugar-containing sap or juice can

    Premium Acetic acid

    • 6586 Words
    • 27 Pages
    Powerful Essays
  • Good Essays

    EXPERIMENT 1 IDENTIFICATION OF UNKNOWN COMPOUNDS Date of experiment : 7th August 2012 Venue: ME204 INTRODUCTION Chemical reactions are regularly categorized into 3 types: oxidation-reduction (redox reaction)‚ precipitation (double displacement) and acid-base reaction (double displacement) Type 1: Oxidation-Reduction Reactions Oxidation-reduction processes include the movements of electrons form oxidants to reductants‚ which lead to increases in oxidation

    Premium Chemical reaction

    • 874 Words
    • 4 Pages
    Good Essays
  • Good Essays

    An Unknown Girl

    • 626 Words
    • 3 Pages

    An unknown Girl Moniza Alvi was born in Pakistan .Her father was Pakistani and mother English. She left Pakistan when she was a baby for England. The poet is thus caught between two worlds and her poems exemplify her quest for her cultural identity. The prescribed poem appears to be set in India. Pakistan was a part of India before the partition‚ therefore the setting may be a symbolic thirst for her motherland. The title of the poem is “The Unknown Girl”‚ though it may refer to the girl in the

    Premium Woman Pakistan The Culture

    • 626 Words
    • 3 Pages
    Good Essays
Page 1 21 22 23 24 25 26 27 28 50