| 0 | 0 | 0 | Volume NaOH used (ml) | 30.6 | 30.2 | 30.0 | | | | | Acid to Base Ratio | 0.87 | 0.86 | 0.86 | Average acid/base ratio | 0.86 | | | | | Base to Acid Ratio | 1.14 | 1.16 | 1.17 | Average base/acid Ratio | 1.16 | Name: Jared Philip Condez Date Performed: June 28‚ July 2 & 5‚ 2013 Partner: Shiela Mae Molina Date Submitted: July 12‚ 2013 Experiment 3 ACID – BASE TITRATION I. Objectives * Determine the purity of Potassium Acid Phthalate
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ACIDS AND BASES The reason that acid-base reactions are so important is that many of the things you come into contact with on a daily basis are either acids or bases. Most fruits are acids‚ as are carbonated beverages‚ tea‚ and battery acid. Common household bases include baking soda‚ ammonia‚ soap‚ and antacids. What are acids and bases? There are not one but three common definitions used to describe acids and bases: 1. Arrhenius acids and bases 2. Brønsted-Lowry acids and bases 3. Lewis acids
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BRONSTED-LOWRY ACIDS AND BASES 1. The Bronsted-Lowry definition There are many definitions of acids and bases in existence‚ but the most useful one is the Bronsted-Lowry definition: An acid is a substance which can behave as a proton (re presented as a hydrogen ion‚ H+) donor. Any substance which contains hydrogen bonded to a more electronegative element can thus behave as an acid: HCl == H+ + Cl- H2SO4 == H+ + HSO4- A base is a substance which can behave as a proton acceptor. Any
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I have lived in Fort Pierce for fifteen years. I have also vacationed yearly‚ in Miami for the past five years. For my own reasons‚ I choose to live where I live. Miami and Fort Pierce differ in size‚ types of restaurants‚ and prices. Most importantly‚ Miami has better transportation for travel. On the other hand‚ Fort Pierce has cleaner air‚ and a much calmer atmosphere. Both cities are in Florida‚ and they contribute to the beautiful weather‚ and beaches. Living in Fort Pierce‚ all these
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worries me is the overhaul of gang violence. It’s late when I get out of school and that’s when gangs attack night hours. (5.) Should students be able to obtain licenses to carry concealed weapons on your campus? Why or why not? No. That’s what police security is for to protect students. *How would you feel if you were sitting next to someone with a handgun in his or her belt? I would be petrified sitting next to someone with firearms because that would lead me to believe he would use it on the students
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on their pH. Substances may be * Acid 2. Base 3. Neutral INDICATORS This is a substance which is one color in and acid and another color in a base. Indicators can ten be used to test for the presence of acids or bases in a substance. Some are available in paper form (litmus) and others in liquid form (methyl orange). INDICATOR | COLOR IN ACID | COLOR IN BASE | LITMUS | RED |
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Histórico Fuerte de Santiago Fort Santiago is part of the walled city in Manila called Intramuros. José Rizal‚ our national hero‚ was imprisoned in the fort before his execution in 1896. But who would have thought that every piece of these Hispanic stones witnessed one great event in the Philippine history. Now‚ let’s walk into one of the oldest Hispanic stone fortress in the country… It was built in 1571‚ on the site of the native settlement of Raja Soliman. First Fort was a palisaded structure of
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determined by colorimetric titration‚ and the identity of an unknown acid was determined by potentiometric titration. In the first titration‚ a strong acid standard‚ potassium hydrogen phthalate (KHP)‚ was used‚ to determine the concentration of a strong base‚ sodium hydroxide (NaOH). In order to do so‚ we prepared NaOH solution‚ prepared a buret‚ and standardized this solution by performing a colorimetric titration of the KHP with the solution until a color change was present. The color change was introduced
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Base Details Siegfried Sassoon’s epic war poem "Base Details" focuses on a soldier’s bitterness toward the fact that old men wage war while young men fight it. Sassoon uses various literary devices to express his anger toward such injustice. The main ones being rhyme‚ strong connotative words and especially diction. The speaker‚ a soldier in World War I‚ contemplates what it would be like to be an officer in during war. By using a sarcastic and cynical tone‚ he is effectively able to condemn war
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The maintenance of tradition and ritual is what holds the microcosmic society of Fort Apache together when the community is challenged by threats within and without the fort‚ just as American society has relied on the preservation of myth and tradition‚ even when untrue‚ in order to retain national cohesion and identity. Likewise‚ Fort Apache challenges conventional depictions of heroism by revealing that those originally thought to be heroes also are those who facilitate such lies. There have been
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