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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rhetorical analysis‚ and synthesis‚ instructed by Dr. Tina Giovanielli. Although I believe all four arguments were strong‚ for the purpose of this reflective assignment I am going to choose one argument that I think is my strongest piece of writing then analyze it and explain why I think that is my best work. I believe my last assignment (synthesis) was very challenging at first but it ended up to be my strongest piece in the whole semester. Since I have never done any synthesis before this one‚ I found
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Business Strategy Guidance for Contents Contents 2 Introduction 3 Strategic Concepts and Terms 4 Business Strategy 5 Strategic Thinking 5 Ansoff’s Growth Vector Matrix 5 Strategic Planning 7 BCG Growth-Share Matrix 7 Directional Policy Matrix 8 Co-Operative Food Store Audits 10 Environmental Audit 10 PESTEL Analysis 10 Porters 5 Forces: 10 Organisational Audit 11 Stakeholder Analysis 14 Co-operative Stakeholders 14 Stakeholder Mapping 14 Bibliography 16
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Although taboo in Western culture‚ co-sleeping is making a comeback. After the retraction of previous statements against co-sleeping‚ Dr. Richard Ferber‚ child sleep guru‚ has now sided with a family’s decision to share a bed with their infants. Although the American Society of Pediatrics warns that sleeping with your infant can increase the risk of sudden infant death syndrome‚ the exact cause of SIDS is still unknown. The emotional benefits of sharing a bed with your baby can be enormous and some
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employed by management executives Co-opetition: The organisation of the future. known as co-opetition in which Zineldin considers that in a global market‚ organisations that are self governing may be able to combine resources and work as a team. This involves pooling resources for a certain objective whilst remaining independent of each other yet still challenging each other and other rivals for the same business. Zineldin refers to his earlier work suggesting that co-opetition is a kind of business
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Take the voice recorder and record the 2 people of any gender but different age. 3. Record notes on what happens in the video. Observation: While recording I noticed that the older person’s voice sounds more mature than the younger person. Also that the older person catches more breath than the younger person to complete the task
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Poetry can be used as a way of transforming experience and emotions into words‚ which often details personal and intimate feelings that allow the reader to have a taste of what the poet felt in that vulnerable moment. However‚ being a poet often means your work is published and open to the scrutiny and opinions of the public. Thereby turning a once personal experience into a public spectacle. This can either unify reader and author in the comfort that someone else has gone through the same experiences
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feel hated. The bully makes the victim feel unloved. According to Source 1‚ the bully makes the victim feel ashamed. Those are the reasons why a victim might kill themselves. Lastly‚ the bully has to suffer a huge consequence. According to Source 3‚ the bully might go to jail. The bully could get suspended. They bully can even go to jail. According to DustinO’ Field‚ the bully can also go to an alternative school. Those are just only a few of many consequences. In conclusion‚ children are
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room temp White cloudy liquid Mixture in ice bath White particles settled at the bottom of cloudy white liquid Suction Filtration Filtrate White powdery crystals Residue Clear yellowish liquid Crude Aspirin White powdery crystals Table 3. Recrystallization of Aspirin. Description Crude aspirin + EtOH Clear colorless liquid with undissolved white solids Mixture during heating Powdery white solids dissolve in clear colorless liquid Mixture after heating Clear yellowish liquid
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The Sherwin-Williams Company Sherwin Williams is the largest manufacturer of paint products in the U.S. It is the most famous painting company in the United States. The Company owns more than 34 factories and 3‚200 of their own branded stores‚ that is why it is considered the largest chain stores in the world of colors. The American company Sherwin-Williams was founded in 1866. Since its establishment‚ the company made a bid for new technology and innovation. 11 years after its founding in 1877
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