(stretch) 1599&1493 Benzene C=C (aromatic stretch) 1597&1493 Benzene C=C (aromatic stretch) 1293 Carboxylic acid C-O (stretch) 1267 Carboxylic acid C-O (stretch) 788 Alkene =C-H bending (stretch) 786-845 Alkene =C-H bending (stretch) Pure (E)-α-phenylcinnamic acid 3054 Aromatic =C-H (stretch) 5053 Aromatic =C-H (stretch) 2616-3054 Carboxylic acid O-H (stretch) 2516-2951 Carboxylic acid O-H (stretch) 1676 Carbonyl C=O (stretch) 1673 Carbonyl C=O (stretch) 1599&1493 Benzene C=C (aromatic stretch)
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the inhibited ability to produce and provide normal red blood cells‚ white blood cells‚ and plates to maintain homeostatic mechanisms. There are several modifying risk factors for leukemia including: exposure to high energy radiation‚ exposure to benzene and certain other chemicals‚ exposure to herbicides and/or pesticides‚ drugs that cause bone marrow depression such as Cytoxan‚ and adults over 60 who smoke have an increased risk. The underlining factor to all of the environmental or modifiable
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displays the 20-day PGPI moving average in blue. “Benzene prices‚ which were up 7% from November‚ continued to push the global petrochemical index higher‚” said Jim Foster‚ Platts senior editor of petrochemical analytics. “Benzene contracts hit record highs in recent months as demand continued to outpace supply. Global toluene prices also rose on the back of high benzene prices and continued strength in the xylene markets.” The 7% increase in benzene‚ a petrochemical used in packaging‚ various plastics
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care products which contain carcinogens and endocrine disruptors may increase a woman’s breast cancer risk (Thu). Although many women come to nail salons to get artificial nails‚ none of them knows that primer and powder of artificial nails contain benzene and methylene which contribute to tumors. In order to support this point‚ animal studies have proved that these two components induce mammary gland tumors (Thu). And it is very clear that these tumors may soon transfer into cancer in woman’s breast
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ASSIGNMENT NO. I Subject Name: Project Management Submitted By Ashvin Laxmanji Karemore on Topic: Various types of projects in India Question: Find out various types of projects in India? Ans: Types of Projects in India A chemical engineering project is broadly classified into two types i.e. Greenfield projects and Add-on projects. 1. Greenfield Projects (Grassroots Projects)- In above type of project
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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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CHEMISTRY (Theory) Time allowed : 3 hours General Instructions: (i) All questions are compulsory. Maximum Marks : 70 (ii) Marks for each question are indicated against it. (iii) Question numbers 1 to 8 are very short-answer questions and carry 1 mark each. (iv) Question numbers 9 to 18 are short-answer questions and carry 2 marks each. (v) Question numbers 19 to 27 are also short-answer questions and carry 3 marks each. (vi) Question numbers 28 to 30 are long-answer questions and carry 5 marks
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to: Determine the molecular weight of benzene and an unknown liquid by applying the simple variation of the Dumas Method which is an appropriate process in the determination of organic volatile substances that are liquid at room temperature. Utilize the Ideal Gas Law and Berthelot’s equation in connection with the experiment Get a hint in the identity of the unknown volatile liquid. II. Research Questions What is the molecular weight of Benzene? What is the molar mass of the unknown
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Electrophilic Aromatic Substitution: Bromination of Aromatic Compounds Introduction: The experiment focuses on finding out what kind of activating effects that four different substituents will have on an aromatic benzene ring. The substituents being tested are aniline‚ anisole‚ acetamide (acetanilide)‚ and phenol. All four of these groups are either para or ortho activating. Bromination is the reaction that will be carried out. The melting point ranges of the final products will be taken in order
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Procedure and observations: Part A: Extraction of water soluble dyes (an introduction to extracting) added 1ml of ether and 1ml of distilled water into two test tubes‚ then added 0.006M of methylene blue to one test tube and 0.006M of methyl red solution to the other and shook each vigorously with a stopper in the first test tube there was blue on the bottom and clear on top‚ in the second test tube it was yellow on top and purple on bottom Salting out added 5ml of distilled
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