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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Microwave Synthesis of 5‚10‚15‚20- Tetraphenylporphyrin Abstract: In this green chemistry experiment of 5‚10‚15‚20-tetraphenylporphyrin was synthesized from benzaldehyde and pyrrole. using microwave irradiation to heat the reactants.‚ The liquid reactants are absorbed on a solid support‚ silica gel‚ which acts as a Lewis acid catalyst to facilitate the reaction. The reaction forms a porphyrinogen‚ which is then oxidized to the porphyrin product by atmospheric oxygen. Column chromatography is performed
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solution‚ CaCl2(s)‚ xylene‚ t-butyl peroxybenzoate‚ methanol‚ 5% aqueous solution of 1‚ 6-hexanediamine‚ NaOH(s)‚ 5% sebacoyl chloride in hexane‚ glacial acetic acid‚ concentrated H2SO4‚ cotton balls‚ acetic anhydride‚ CH2Cl2 Procedure: For the synthesis of polystyrene‚ 10 ml styrene and 20 ml of 1 M NaOH solution was placed in separatory funnel and they were shaked for several times. Aqueous layer was discarded. The styrene layer was washed with water and dried with CaCl2(s). The styrene was placed
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Analysis‚ Synthesis‚ and Argumentative Essays The three types of essays mentioned in “Five Steps to a Five: AP English Language” are analysis‚ argumentative‚ and synthesis. An analysis essay is complied of different parts‚ it explains how the many parts can come together to produce a complete result. To have an argumentative essay you must acknowledge what you are defending and have sufficient and accurate information to support your claim. A synthesis essay should contain the main points of compared
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Abortion One of the most constant battles our society faces is the issue of abortion. It is a controversial issue that continues to create tension and diversion among our culture. But what makes abortion such an emotional and personal conflict? Often time people aren’t fully aware of what takes place in the process of aborting a fetus. Let’s take a look at what abortion is and what makes it so controversial. By understanding what an abortion is and the different viewpoints of society‚ one will acquire
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The birth and growth of the media age has paved the way for numerous outlets for advertising. Millions of people reading magazines‚ watching TV‚ listening to the radio and surfing the web are constantly bombarded with ads for different products or services. Although the creation of media has given us great power and knowledge‚ we see its consequences in our personal lives and in society as a whole. Advertising has negatively affected society through its use of false claims and manipulation‚ influencing
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C. Reeves‚ M. O’Neal‚ D. Tran Mrs. D English II 3B 1st March 2012 Effects of Culture How much of your life has changed because of the culture you’ve been used to? Think about everything you ’ve ever done in your life. All your actions and emotions towards things–how naturally did they come? The cultural background of a person sways him or her to act in certain ways. Culture is the source of what one comes out to be‚ even after many years from what he or she first saw of a culture. A person’s
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Ancient artifacts and works of art can be seen as some of the most important elements of the past in today’s museums. Some considerations for acquisitions upon an ancient piece must be made. Research and correct installation are just the beginning parts of securing a particular artifact. Preparation of grant proposals and ensuring proper storage are two needed steps in the process of decision. The message that the museum seeks to convey to the audience is quite imperative. It is important that only
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In today’s world‚ where one is expected to conform to the masses‚ maintaining individuality is often difficult. There are some people who simply follow the herd‚ and then there are those certain other people who strive to take the reins and become their own person. The former often succeed in their desire to fit in and become another faceless member of the crowd. The latter‚ however‚ commands society’s respect and ultimately has a better grasp of their identity. The subject of identity and individuality
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Thesis: Racism continues to be a prevailing negative theme (despite some radical claims of extinction ) that has evolved to be nurtured by America’s society through media‚ parents and schools‚ and technology. On a trip to the north in 1947 Mary Sive learned the meaning of segregation and racism when she realized that the point of it all was to loom over every aspect of life and make everything more difficult for a colored person no matter how trivially small the matter was. A little over fifty years
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