of ointment base. The types of ointment bases used as vehicles for drugs are selected or designed for optimum delivery of the drugs and also to contribute emolliency or other quasi-medicinal qualities. Ointments properties vary since they are designed for specific uses‚ ease of application or extent of application. The purpose of the lab was to learn the difference between different types of ointment bases. In this experiment‚ we learned how to measure the ability of each ointment base to incorporate
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All is Well in Land of “The Lion King” In the article‚ All’s Not Well in Land of “The Lion King‚” by Margaret Lazarus‚ the author over exaggerates an animated classic‚ investigating as to whether or not the movie is politically correct and morally right. The essay examines and stereotypes the movie‚ and comes to various misguided conclusions. Lazarus defines the hyenas and the lion‚ Scar symbolic‚ and declares that Disney already has gays and blacks ruining the “natural order.” She also draws to
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Lab Partner: Keren Appiahene Mussie Gide 10 September 2016 Experiment 2: Acid- Base Extraction Separation of an Organic Acid‚ a Base and a Neutral Compound Introduction: The extraction technique is often used in the organic lab to separate organic compounds from mixtures. One type of an extraction technique is the acid-base extraction‚ which is used to separate organic compounds from a mixture based on their acid-base properties.1 There are certain principles that must be taken into account when
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Several internet sites that discuss Margaret Atwood’s "The Resplendent Quetzal" believe the story is about the happiness and love of a couple being destroyed due to losing a child. For example‚ DedicatedWriters says “the Resplendent Quetzal‚ portrays a married couple‚ Sarah and Edward‚ whose marriage has become dysfunctional since their child’s death at birth."I believe the death of the child did cause problems to their relationship‚ however‚ I think there were always problems in their relationship
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What were the key changes in welfare provision under Margaret Thatcher (1979 – 1990) and what political ideas influenced these changes? Give examples from specific social policy areas. Margaret Thatcher was one of the most significant women in political history. She was born in 1925 and throughout her school and college career she was always interested in politics and would often take the role of a leader‚ for example being elected as President of Oxford University Conservative Association
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Acid-Base Strengths of Organic Compounds By: Chris Frankmore Due Date: February 15‚ 2011 Resonance Benzenesulfonic Acid Benzoic Acid Benzyl Alcohol Benzylamine P-Cresol P-Toluidine Acid/Base | Structure | pH | Why It is a strong/weak acid/base | Benzenesulfonic Acid | | 1 | This is a strong acid because it has a pH of 1. Another reason why this is a strong acid is that its conjugate base has strong resonance stabilization
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consistency. Consistency requires minimal temperature sensitivity. For those who anticipate shooting in different climate settings‚ single-base propellants (also known as nitrocellulose) will have less performance variation with temperature fluctuation when compared to double-base powders. Hodgdon and Vihtavuori 100 series are great examples of single-base powders.
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DKFLSDFKLFKJ | Acid-Base Titration. | kfjhdkjhvdkfj | | April Jowers | 12/19/2012 | DKFJSDKJFHDSKJHF | Introduction In this lab we will use basic titrating skills and techniques in order to titrate HCl. We will also be practicing how to prepare the solution. Using the titration data‚ we can practice our stoichiometric skills and also become more familiar with using lab equipment. Titration is the process of measuring the exact volume of a solution of known concentration that is
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Members: Cabatic‚ Sophia Mae E. October 1‚ 2012 Peria‚ Ellen Faith L. Tacula‚ Jassy Camille D.S. Activity 11 Acids and Bases I. Objectives * To identify some acids and some bases which are used in common household products. * To construct an operational definition of an acid and a base‚ using the characteristic properties of those substances. II. Procedure A. For acids * Place 2ml each of dilute acetic acid‚ hydrochloric
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ACID / BASE BUFFER SYSTEMS Abstract A buffer solution is a solution that contains both an acid and a salt containing the conjugate base / acid in sufficient concentrations so as to maintain a relatively constant pH when either acid or base is added. In this experiment a selection of buffer solutions (Bicarbonate/carbonic acid)‚ Lake water and distilled water were obtained to compare their buffering behaviours when mixed both with an acid and a base. The results showed buffering capacities for
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