"Percent of acetic acid in vinegar by volumetric analysis" Essays and Research Papers

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    Running Head: Factors Affecting Citric Acid Production by Aspergillus niger Factors Affecting Citric Acid Production by Aspergillus niger Ong Chia Swing‚ Student. Nilai University 1. Introduction Citric acid is a natural preservative or conservative that is used to add an acidic‚ sour taste to foods and beverages. In the context of biochemistry‚ the conjugate base of citric acid which is the citrate plays an important role as an intermediate in the citric acid cycle which occurs in the metabolism

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    STANDARDISATION OF HYDROCHLORIC ACID REPORT Aim: To standardize an unknown solution of hydrochloric acid Method: See INSTRUCTIONS for practical 6.2 & 6.3 Results: Attempt No. | Titre (mL) | | 1 | 20.9 | Rough Titration | 2 | 20.5 | | 3 | 20.7 | Concordant Titres | 4 | 20.7 | | 5 | 20.7 | | (1) Tabled Results (2) Concordant Titrations Results 20.7 mL | 20.7 mL | 20.7 mL | Average of Concordant: (20.7 + 20.7 +20.7) 3= 20.7 mL Calculations:

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    Acid Spunk Documentation

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    ---------------------------------- Acidspunk installation instruction ---------------------------------- Acidspunk requires an MMX processor and DirectX Place the .dll in winamp’s plugin directory. Start winamp and press "ctrl-k" Choose acidspunk and press "configure" (or "alt-k") Set the screen resolution Start the plugin "ctrl-shift-k" Check the framerate by pressing F2 while the plugin is running. The plugin should run between 20-30 frames per second to look good. If not adjust

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    Acid Rain Case Study

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    Acid Rain: The Southern Company (A) Problem Statement In 1992‚ executives at the Southern Company have three years to formulate a robust and complex strategy that will involve massive capital outlay and substantial modifications to processes and procedures as it works to comply with provisions enacted in 1990 to the amendments of the Clean Air Act‚ while simultaneously ensuring they remain sustainable and profitable. Analysis The Southern Company is an American based electric utilities

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    or not‚ it is still unethical. In June of 2001 six former and current female Wal - Mart employees filed a sexual discrimination suit against the company. The lawsuit alleged that Wal - Mart failed to provide equal employment for women. Seventy percent of the workforce was comprised of females but only a very small percentage of the females were in management positions. “Wal - Mart is the nation’s largest employer of women but‚ unfortunately they are being treated without dignity and respect.”

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    MASS OF AMIDOSULPHURIC ACID DATA COLLECTION AND PROCESSING. QUANTITATIVE DATA Type equation here. Experiment | Burette reading / cm3 | Volume of solution used(±0.1 cm3) | | Initial reading(± 0.05 cm3) | Final reading(± 0.05 cm3) | | 1 | 0.00 | 24.70 | 24.7 | 2 | 18.20 | 48.00 | 29.8 | 3 | 6.00 | 33.00 | 27.0 | QUALITATIVE DATA 1. When amidosulphuric acid was diluted with distilled water‚ the beaker feel cold. 2. When the

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    Five Percent Nation: The Non-Ascribed Faith The Five-Percent Nation is a revisionist movement in America that began in 1964. It borrows the philosophies from the traditional Islam. In addition‚ the Five percenters otherwise‚ known as Nation of G-ds’ and Earths‚ resulted from the departure of the Nation of Islam in 1963. Although they are a sole religion‚ the Five Percent Nation does not consider themselves a religion‚ but merely a religious affiliation‚ followed by Islāmic tradition defined as “culture”

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    which both prove the erythro-2‚3-dibromo-3-phenylpropanoic. Determination of the Stereochemistry of 2‚3-dibromo-3-phenylpropanoic acid. Introduction The purpose of this experiment was to determine the mechanism of the reaction of trans-cinnamic acid with the addition of bromines to 2‚3-dibromo-3-phenylpropanoic acid. An addition of bromine was added to trans-cinnamic acid and it is necessary to determine whether the intermediates were syn or anti addition or a mixture of them both to find the stereochemistry

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    than the weight of the crude caffeine. Explain why the percent recovery is frequently low. • Crude caffeine contains contaminants‚ such as organic compounds‚ while purified caffeine is just pure caffeine. Therefore‚ the weight of the crude caffeine is more than the purified caffeine because of the additional contaminants adds weight. Since there are no additional contaminants to the purified caffeine‚ the percent recovery would be low. The percent recovery would also be low since the caffeine is pure

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    Chapter 10 ComMon Acids and Alkalis 10.1 Acids and Alkalis 1. Acids taste sour. Many fruits contain acids. 2. The three mineral acids commonly found in the laboratory are hydrochloric acid‚ sulphuric acid and nitric acid. 3. Alkalis taste bitter and feel soapy or slippery. 4. The common alkalis found in the laboratory are sodium hydroxide solution‚ potassium hydroxide solution‚ calcium hydroxide solution and ammonia solution. 10.2 Acid-Alkali Indicators 1. An acid-alkali indicator

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