Lab #5: Grignard Reaction – Synthesis of Triphenylmethanol John Kang Chem 152L Performed: 7/20/04 Date submitted: ________________ Lab Partners: Sang Lee‚ Vicky Lai TA: John Stanko Abstract: This experiment explored the synthesis of triphenylmethanol through the use of Grignard reagents. The percent yield of the product was 10% on a relatively humid day. The melting point was calculate to be 127.2oC with a literature value of 162oC. An IR spectrum of the product was taken and used
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Chemical Reaction Lab Well #1 CuCl2 + Al (shot) - Bubbling - Turning reddish-maroon - 33oC Well #2 CuCl2 + Al (foil) - Bubbling‚ but less than well #1 - Turning black - 28oC Well #3 CuCl2 + Zn - Turned black then red - No bubbling - 29oC Well #4 CuCl2 + NH4OH - Cloudy - No bubbling - 26oC Well #5 CuCl2 + NaCO3 - Not mixing with CuCl2 - Heterogeneous - 25oC Well #6 CuCl2 + AgNO3 - Cloudy - Top layer is white -29oC 1. The more pronounced reaction was the aluminum
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Reaction Paper — Fiction: Short Story “The Jilting of Granny Weatherall” is a small story written by Katherine Anne Porter‚ the American writer. It was published in 1930 along with other short stories alike‚ as part of story collection called “Flowering Judas”. The reaction to this fiction story from a reader’s point of view I’m going to express in this short essay. The whole setting of this story is drawn around the bed of Ms. Weatherall‚ where she is spending the last moments of
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1 Amber Coleman Professor Wood Eng. 101 5 December 2001 Individualism Many characteristics may create one ’s individualism. Personality‚ appearance‚ environment‚ and heredity are the characteristics that make up one ’s individuality. One can control the individual he may become with the help of individualism. Personality is a characteristic that plays a major role in one ’s individuality. "One has many parts that make up his personality" (Kramer 27). One may show these parts in different
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is a focus on the individual individual achievement is common dynamism of the U.S. economy high level of entrepreneurship But‚ creates a lack of company loyalty and failure to gain company specific knowledge competition between individuals in a company instead of than team building less ability to develop a strong network of contacts within a firm How does this mindset affect business? Well‚ it can be both beneficial and harmful. On one hand‚ the focus on individual achievements leads
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worried about work deadlines. But maybe it’s your procrastination‚ rather than the actual job demands‚ that leads to deadline stress. Stress Management - Topic Overview What happens when you are stressed? Stress is what you feel when you have to handle more than you are used to. When you are stressed‚ your body responds as though you are in danger. It makes hormones that speed up your heart‚ make you breathe faster‚ and give you a burst of energy. This is called the fight-or-flight stress response
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SIGNOS Reaction Paper Global warming is one of the most serious hazard that we our facing today. The alarming signs were seen‚ even here in our country. Drought happens during rainy season while typhoons come upon summer months. The abnormal rainfall causes the rise of sea water level and more areas experience flooding. These are only some of the signs of growing global phenomenon. This environmental crisis brings risk to a million lives. Signos is one of a documentary that will awaken our minds
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country is facing. It is indicated that‚ even though‚ us‚ Filipinos are regarded as one of the largest English-speaking countries‚ it cannot be denied that most of us do not seem to know how to speak English properly. And prior to this‚ rises a problem that has to do with many things such as difficulty in communicating with foreign people which makes it harder for us to catch up with other fast-growing countries. To justify the author’s statements‚ certain things were pointed out like her observation
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Respond to “Learning: Your First Job” “Learning: Your First Job” is a very good article that worth to spend time to read it. The writer professor Robert Leamnson wrote this article with good intention. Moreover‚ he did explain the information in detail and extremely clear‚ in order to make sure most of the people can understand information in this article. In this article he gave the college students some good learning skills‚ such as how to learn with remembering‚ how to make good use of the
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THE HILL REACTION: EFFECT OF HERBICIDES (CLEAROUT 41 PLUS AND DIURON 50 WP) IN CORN (ZEA MAYS) LEAVES JENNY A. ADTOON ELIEZER B. GALOPE II SANDY FAYE D. SALMASAN JYAN DESSE M. SOLANO MARIANNE KRISTELLE E. YARRA INTRODUCTION Photosynthesis sustains almost all of the living world directly or indirectly. It is the process of converting light energy to chemical energy of sugars and other organic compounds. The process depends on the interaction between two sets of reactions‚ namely the
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