and lower the self esteem of many women. Because of the shame‚ the topic of periods can be hard to talk about for the homeless‚ which means seeking help is even harder. This source also introduced the problems of bathrooms that provide free toilet paper‚ but do not provide feminine products. However‚ this article concludes that even if feminine hygiene products become more easily accessible‚ women will still have a tough time on finding safe areas to
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industrial settings due to the simplified synthesis and safety parameters of the overall reaction. Both benzoic acid and methanol are relatively cheap to obtain from a commercial source as well as being easy to store with a relatively long shelf life. The Fischer esterification method is a fundamental and important synthesis process in training our future chemists in both commercial and academic employment and principles. By utilizing this method of synthesis‚ the chemist has the knowledge to utilize
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but all cultures. By determining which artifacts should be secured‚ the audience should be considered. The person responsible needs to consider how the works will appeal to a specific group of individuals. Different kinds of artifacts‚ such as‚ paper‚ photos‚ or pottery will have very different effects on a given
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accompaniment. For writing styles‚ the main suggestions included simplifying the amount of words used‚ presenting the claim first and then the evidence‚ and to watch for any repetitions that are common in analysis papers. Also included with the writing styles‚ what are the best sources to base the paper on and how to verify that it is a good source. This week I do not have any questions‚ all is pretty
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Abstract: The purpose of this lab is to synthesise acetylsalicylic acid (aspirin) by creating a reaction between acetic anhydride and salicylic acid. This was be accomplished through the use of recrystallization. Acetic anhydride and salicylic acid are mixed together‚ and then acidified by the addition of a few drops of concentrated sulfuric acid‚ which catalyzed the reaction. The percent yield is calculated to determine the effectiveness of the reaction in preparing the desired product (aspirin)
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gravity filter and the Hirsch funnel‚ as it was difficult to obtain the entire product from the filter paper and the sides of the funnel. As the experiment follows a semi microscale technique even a small amount of lost product yields a great loss in the yield 4. These sources of error could be minimized by doing a larger reflux in order to increase the yield. However‚ as the purpose was to simply synthesis SnI4 in order to identify the stable oxidation states (the melting point range requires very little
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Rebecca Boreham 7/1/14 Chem 2423 Experiment #5 Synthesis of Aspirin Elizabeth Ajasa Kaylee Seymour Lauren Hatfield Suveda Perikala Introduction/ Purpose Aspirin is the most commonly used drug in the United States. Forty million pounds are produced each year. The chemical name for aspirin is Acetylsalicylic acid. Aspirin is a pain reliever and a fever reducer. Aspirin originated from the bark of a White Willow Tree. Chewing the bark however is extremely acidicand irritates the mucous membranes
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Tyre Recycling in the UK: Present and Future Trends End-of-life vehicles (ELV’s) are motor vehicles that are defined as waste by the Waste Directive. All of the components are classed as waste as well‚ including the tyres‚ which represent approximately 3.5% of the weight of an ELV. Considering 8 million vehicles are disposed of and 18 million part-worn tyres are disposed of‚ a total of 50 million tyres need to be dealt with each year. This report will discuss the current methods of recycling
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LITERATURE REVIEW The entire purpose of this paper is to find out the answer to the question: How does technology affect our daily lives?” Many different sources said many different things‚ however they somehow all connected at one point or another. “Body and Soul: Beware of Digital Gluttony‚” by Kate Wicker‚ suggests that technology is now apart of us and our lives and there isn’t much we can do to change it. “Technology is a real part of our lives‚ we are living in an “ICulture” whether we like
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A research study entitled‚ Exploratory Investigation on the Hypoglycemic Effect of Abelmoschus Esculentus in Miceconducted was conducted by John Ray T. Perez et al (2013). Their paper made an exploratory investigation on the hypoglycemic effect of a common food item known as ―okra‖ or Abemoschus esculentus (EA). Six (6) mice were randomly selected and grouped into 2 groups and were given extracts from the fruit of Abelmoschus esculentus (EA)/okra which was chopped into three pieces and was soak in
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