CHM 3120L ANALYTICAL CHEMISTRY I LABORATORY REPORT EXPERIMENT: SPECTROPHOTOMETRIC DETERMINATION OF IRON IN DRINKING WATER Name: Steven Adrien Section: 3 Date Experiment Completed: Wednesday‚ July 17‚ 2013 1. Complete the following table Fe(II) stock solution | mass‚ g | 0.1756 | volume‚ mL | 500.0 | MW(Fe(NH4)2(SO4)2 x 6H2O)‚ g/mol | 392.14 | AW(Fe)‚ g/mol | 55.85 | conc. Fe(II)‚ ppm | 50.0 | Use Equation Editor to show how you calculated the concentration of Fe(II)
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Determination of Chemical Formulae: The Reaction of Zinc and Iodine By Sarah Abstract: The main objective of this experiment was to use to the reaction between zinc and iodine to examine the validity of the Law of Conservation of Mass and the Law of Constant Composition. The Law of Constant Composition was tested by determining the mass of each of the reactants‚ zinc and iodine‚ and comparing their total to the mass of the zinc iodide product plus the excess zinc. The total mass of the reactants
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Microbiology Lab Report II Title: Determination of a Bacteriophage Titer Purpose: To determine the number of phage particles or plaque-forming units in a suspension of T4 bacteriophage. Materials: 18 24 hour broth culture of Escherichia coli B. 2 ml suspension of T4 bacteriophages with a titer of at least 10‚000 phages/ml 5 trypticase soy agar (TSA) plates. These should be warmed to 37c before use 5 tubes of soft agar (0.7% agar). Prior
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On September 1‚ 2016 you participated in a pre-determination meeting as a continuation of a prior meeting held with you August 10‚ 2016. Both meetings were regarding allegations you failed to follow call-in procedures‚ you were tardy multiple times‚ and you were absent from work on one occasion without notifying anyone of your absence. The Department has completed its investigation and substantiated the allegations. During both pre-determination meetings you acknowledged you have been counseled
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| | 1 | 0.2123 | 0.00 | 42.34 | 42.34 | 2 | 0.2195 | 0.00 | 47.24 | 47.24 | 3 | 0.2049 | 0.00 | 26.65 | 46.65 | After Boiling | 1 | | 31.52 | 32.22 | 0.70 | 2 | | 29.34 | 30.61 | 1.27 | 3 | | 30.61 | 31.52 | 0.91 | Week 2: Determination of Sodium Carbonate in the unknown via titrating using bromocresol indicator Sample number: SC 8 Table 2: Titration of the unknown using hydrochloric acid Trial | Mass of unknown (g) | Burette reading (before boiling) | Final Volume
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Experiment 5 Gravimetric Determination of Sulfate Eisman E. Morales TA: Jackeline Pennywiit Chemistry 121 02/14/2011 Purpose: To determine the percent sulfate in a sample using a semimicro scale gravimetric procedure. Procedure: Refer to pages 41-42 of General Chemistry volume 1 Laboratory Experiments by Judith Casey and Robert Tatz‚ Hayden McNeil Publishing‚ 2010 Report Sheet See attached report sheet. Report Questions 1. Explain how your calculated value for percent
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E.W. Scripps 1854-1926 Edward W. Scripps built a media empire that includes daily newspapers in 20 markets stretching from Washington to Florida‚ Scripps Howard News Service‚ United Media‚ and the worldwide licensing and syndication home of PEANUTS and DILBERT. He started the business in 1878‚ borrowing $10‚000 to launch a newspaper in Cleveland called "The Penny Press." It was aimed at an unserved market of urban workers‚ and quickly became the model for the nation’s first mass medium. He found
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Being your own boss has many obvious advantages. The main advantage is that you are in charge. You have the opportunity to do something you really believe in‚ for instance offering a new product or providing a new service. The another advantage is that you do not have a boss watching over you‚ which gives you more freedom to do things your way. Finally‚ the greatest advantage of all for some people‚ you could also become extremely rich if your company become successful. This all seems very tempting
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PRACTICAL 15: DETERMINATION OF HEAT OF NEUTRALIZATION Data collection: |Reaction |Initial Temperature/°C (±0.25) |Final Temperature of Mixture/°C (±0.25) | | |Acid |Base | | |HNO3 + NaOH |28.00 |28.25 |34.50 | |HNO3 + KOH |28.25 |28.25 |34.00
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Demonstrate which value adding activities the Virgin HQ is performing and give examples of each of these. According to Goold et al (1994) there are four main types of activity by which a corporate parent can add value. Envisioning – The corporate parent can provide a clear overall vision or strategic intent for its business units. Coaching & Facilitating – The corporate parent can help business unit managers develop strategic capabilities. Providing Central services – A provider of capital
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