Melting Point Determination and Thermometer Calibration Lab Background: The melting point of a substance‚ a solid in this case‚ signifies the temperature at which the first crystal starts to melt until the temperature at which the last crystal disappears is reached. That being said‚ melting points are expressed in ranges‚ am organic compound will have a sharp range depending on the purity of the compound. Impurity of an organic substance will register an abnormal melting point based on its
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Experiment 28: The reaction of Butanols with Hydrobromic Acid Pre-lab Objective: The objective of this experiment is to synthesize 1-bromobutane and 2-bromobutane with different catalyst:substrate ratios to determine which ratio is the most economically favorable. Discussion: In this experiment‚ 1-butanol or 2-butanol will be converted to the corresponding alkyl bromide with HBR‚ while using sulfuric acid as a catalyst. The sulfuric acid will accelerate the chemical reaction with being consumed
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Acid Determination of Vitamin C Tablets and Salt Solutions Chem 1290-016 03-05-2010 ------------------------------------------------- Purpose: The purpose of this lab was to use acid-base titrations to find the mass percent of ascorbic acid in a Vitamin C tablet. A known concentration of sodium hydroxide was used and the value found was compared to the stated amount of ascorbic acid listed on the vitamin container. Also in this lab the acidity of different salt solutions were tested using
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Chemistry: Strong Acid and Weak Base Titration Lab Cherno Okafor Mr. Huang SCH4U7 November 21st‚ 2012 Data Collection and Processing Concentration of the standard HCl solution: 0.1 M Data Collection: | Trial 1 | Trial 2 | Trial 3 | Final HCl Buret Reading ± 0.05 mL | 38.3 | 45 | 54.5 | Initial HCl Buret Reading ± 0.05 mL | 29.9 | 38.3 | 45 | Volume of NaHCO3 used ± 0.1 mL | 9.2 | 9.5 | 9.8 | Qualitative Data: * I used the
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Determination of Postmortem Interval Emily Morello University of New Haven FORS-2216-03-F15 Professor Peter Valentin 30 November 2015 Post mortem interval (PMI) is a commonly used term in the Forensic Science field meaning the time since death‚ or the time elapsed between death and the time of postmortem examination. Due to its assistance in suspect investigations‚ post mortem interval is very important in criminal cases. The more time elapsed‚ the larger the limits of probability. Therefore‚ the need
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I will admit that I am rather new to the discussion on bigotry‚ privilege‚ and the various -isms. I was speaking with a female friend of mine a few months ago‚ and I remarked that women‚ on average‚ are less able to compartmentalize their emotions than men. She was (justifiably) irate‚ and I qualified myself. You see‚ I had never been explicitly exposed to the socially-propagated idea that women are emotionally unstable. When I found out‚ I felt rather embarrassed in not only being sexist‚ but
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What is Postcolonial Literature? In a broad sense‚ postcolonial literature is writing which has been “affected by the imperial process from the moment of colonization to the present day” (Ashcroft et al‚ 2). In India’s case‚ this includes novels‚ poetry‚ and drama which were written both during and after the British Raj or “Reign‚” which came to a formal conclusion with Indian Independence in August 1947. Although writing from India and other formerly colonized countries such as Nigeria‚ Jamaica
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LTWR 410 ---August 29‚ 2012 Economically -People relied on trade/barter/the importance of Mecca in bringing people together and disseminating news -Nomadic culture -Slavery -Unbalanced distribution of wealth The Guided Caliphs -The early caliphs survive in Islamic history as guided advocating social justice‚ and treating everybody equally -Early expansion -This brought Arab Muslims in contact with different ethnic groups and peoples including the Berbers of North Africa -Islamic Spain/The
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Which of the following is classified as an entrepreneur? A manager in a large corporation A financial manager in a small firm An owner-manager who bought out the founder of a firm A salaried technician in a rapidly-growing high-tech firm Compared to large corporations‚ small businesses play just as important a part in the economy. attract more attention and make more headlines in the media. are not as important to the well-being of society. are highly visible
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Enhancing Asset Protection through an adequate monitoring of internal control system by internal audit. By Danique Channer (ID # 0908607 SOBA) November 12‚ 2012 Lecturer: Ms. Simone Bewry Summary of Article Since the start of the global economic recession there has been a reduction in the ablity of organization’s to acquire assets for business operations therefore increasing the need for asset protection against fraud. Studies have shown
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