1. Enter the Second Life site (secondlife.com) and identify EC activities there. In second life virtual world‚ user creating a citizen inside the virtual world‚ they can be a business creator or a buyer; they can provide goods for sell‚ exchange information via the second life virtual world. 2. Which types of transactions are observable at the site? Inside second life we can find B2C‚ B2B transactions. Second life using virtual money call L$‚ user pay L$ to buy land or item‚ when seller collected
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David Kennedy CHE 235 Lab 10/30/14 Scale-up Synthesis and Characterization of Butyl 2-Cyano-3-(3‚5-dichloro-phenyl)-2-propenoate‚ TSE Project #131 Introduction: This report describes the steps taken to create the scale-up of targeted trisubstituted ethylene‚ Butyl 2-Cyano-3-(3‚5-dichloro-phenyl)-2-propenoate compound (#131)‚ and also the characterization methods deployed to the results. This report serves as a critical step in the overall objective of the project; the synthesis of the copolymer
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References: A chapter from a book: Francis Rouessac and Annick Rouessac. Chemical Analysis: Modern Instrumentation Methods and Techniques 2nd edition. John Wiley & Sons. Ltd; 2007. Chapter 9‚ Ultraviolet and visible absorption spectroscopy; p.181-186 A chapter from a textbook: G H Jeffery‚ J Bassette‚ J Mendham‚ R C Denny. Vogel ’s Textbook of Quantitative Chemical Analysis 5th edition. Longman Scientific and Technical; 1989. Chapter 17‚ colorimetry and spectrophotometry; p. 645-651
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Panther ID: NAME: FLORIDA INTERNATIONAL UNIVERSITY Department of Chemistry CHM 2211-U02– ORGANIC CHEMISTRY II PRACTICE EXAM I CHM 2211-U01 SAMPLE EXAM I‚ Page 2 Type of Vibration C-H Frequency (cm-1) 3000-2850 1450 and 1375 1465 3100-3000 1700-1000 3150-3050 1000-700 ca. 3300 2900-2800 2800-2700 1680-1600 1600-1400 2250-2100 1740-1720 1725-1705 1725-1700 1750-1730 1700-1640 1810 and 1760 1300-1000 Intensity s m m m s s s m w w m-w m-w m-w s s s s s s s Alkanes -CH3 -CH2Alkenes
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2.2.1.6 Inductively Coupled Plasma-Atomic Emission Spectroscopy Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) is one of several techniques available in analytical atomic spectroscopy. ICP-AES utilizes plasma as the atomization and excitation source. Plasma is an electrically neutral‚ highly ionized gas that consists of ions‚ electrons‚ and atoms. Most analytical plasmas operate with pure argon or helium‚ which makes combustion impossible. Plasmas are characterized by their temperature
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INFRARED SPECTROSCOPY: FUNDAMENTALS AND APPLICATIONS Barbara H. Stuart University of Technology‚ Sydney‚ Australia 72 Infrared Spectroscopy: Fundamentals and Applications hydrocarbons appear in the 3000–2800 cm−1 range and the C–H stretching bands of methyl groups and methylene groups are readily differentiated. For methyl groups‚ asymmetric C–H stretching occurs at 2870 cm−1 ‚ while symmetric C–H stretching occurs at 2960 cm−1 . By comparison‚ methylene groups show asymmetric stretching at 2930
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CC Bright red blood per rectum. Sinus pressure‚ sore throat. S The patient is a 62-year-old female who tells me that about a week ago she noticed bright red blood per rectum. She states she had a fairly normal stool‚ which was brown in color followed by drops of bright red blood into the toilet. She is quite certain this came from her rectum and not her vagina. She states the next day there was even a little bit more blood‚ and the third day continued. She then had several days where she did
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8. Terfenedine is an amino diol that is the active ingredient in the antihistamine Seldane. Mass spectral analysis of terfenedine shows a molecular ion at m/z = 471 and a peak at m/z = 472 which is 35.5% the height of the molecular ion. Terfenedine is known to contain C‚ H‚ O and N. (a) Suggest five molecular formulas for terfenedine. (b) Terfenedine has an even number of carbons and contains nine double bonds and four rings. Based on this additional information‚ what is the formula for terfenedine
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uses the absorbance of light by an analyte (the substance to be analyzed) at a certain wavelength to determine the analyte concentration. Useful wavelengths for spectrophotometry range from 185 to 3‚000 nm. Spectroscopy is one of the most powerful analytical techniques in modern science. Spectroscopy works by correlating the concentration of a species in solution to the amount of light it absorbs. It included the observations of absorption or emission of electromagnetic radiation resulting from transitions
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Walter A. Shewhart March 18‚ 1981- March 11‚ 1967 Walter Andrew Shewhart is regarded by many as the “father of statistical quality control.” He was born in New Canton‚ Illinois on March 18‚ 1891 to Anton and Esta Barney Shewhart. Walter attained his bachelor’s and master’s from the University of Illinois in physics and graduated with is PhD from UC Berkely in 1917. Throughout his adulthood‚ he was a professor at both universities and ran the physics department at the Wisconsin Normal School
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