The 13C NMR spectrum was useful to help finding the structure of the unknown. It showed six different signals in the spectrum. Signal 1 had an observed peak value of 19.242 ppm‚ and its peak calculated value was 19.1 ppm. This signal was first to most upfield and shielded in the spectrum because of the high electron density of carbon. This signal was agreed to a literature value for a CH3 group between 5-30 ppm. Signal 2 was branched to signal 1‚ and had the same value‚ but it was agreed for the
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"The truth about the past is not that it is too brief‚ or too superficial‚ but only that we‚ having turned our faces so resolutely away from it‚ have never demanded from it what it has to give‚" wrote James Baldwin in his essay "A Question of Identity‚" published in The Price of the Ticket. James Baldwin (1924-1987)‚ the internationally acclaimed writer who wrote brilliantly and sometimes bitterly about what it meant to be human in the 20th century in books that topped bestsellers lists and who
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Finding and analysis of online used by Singapore youth The above graph reveals how many times Singapore youth surfing the internet for a variety of reason. According a survey conducted‚ the majority of people spend their times on internet for 0-3 hours. Nowadays the Internets are widely used for various purposes and provide us with so many positive things and are definitely going to be a part of our lives. Users can get vast amounts of information from the Internet. Users can use The Internet
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Michael Estes Instructor: Jeffrey Mexia English 100 20 June 2012 Maui Diver: Finding Pearls in Plunging Necklines Why does looking at this female model make me want to buy pearls? The focus of this advertisement is that of a particularly attractive female model‚ sitting on what appears to be an outdoor couch. The entire composition of the image‚ has the female subject positioned in a close-up and frontal view; angled in such a way that the subject appears to be sitting right next to the advertisement’s
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Virgin Group: Finding New Avenues for Growth Virgin is a leading international investment group and one of the most respected and recognized brands in the world. It has been one of the fastest growing companies in the world since its inception. Conceived in 1970 by Sir Richard Branson as a music mail-in service‚ the company has gone to grow as one of the largest companies in UK. Today‚ Virgin group has more than 400 companies worldwide in 34 different countries and with global
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Finding True Identity Women who immigrated to America during the 1950s and 1960s to escape the communist revolution struggled to transition from Chinese to American culture‚ while still establishing their own identity. The Joy Luck Club describes the relationships between recently immigrated Chinese mothers and their culturally confused daughters. Because the daughters of the novel are genetically Chinese and have been raised in Chinese households‚ they struggle to fully adjust in the modern American
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Finding out the accurate concentrain of sulphuric acid Aim The point of this investigation is to find out the concentration of the sulphuric acid in my experiment. I will do this by titrating the sulphuric acid with sodium carbonate. H2SO4 + Na2CO3 à Na2SO4 + H2O + CO2 Acid + Alkali à Salt + Water + Carbon dioxide Ratio of sulphuric acid to sodium carbonate: H2SO4 : Na2CO3 1 : 1 Concentration of sulphuric acid: H2SO4 is approximately 0.05 - 0.15 moldm-3 The average concentration of the
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Gabby Peitsch English 12 Honors Frank Period 5 Invisible Man The title of the novel I read is the Invisible Man by Ralph Ellison. The title enforces the novel’s theme of finding an identity as a black man in the 1930s. The protagonist is an unnamed African American man who tries to succeed in a society that wants him to fail. He calls himself “an invisible man” for he gives himself no name. He feels invisible‚ but is simultaneously okay with that to stay out of harm’s way. An identity includes personality
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Lab Report 2: Quantitative Analysis Finding the Percentage Composition of Nickel in an Unknown Compound Introduction: This section of lab was about using analytical chemistry and learning how to identify the amount of nickel in an unknown substance. The purpose was to use gravimetric analysis to quantitatively separate and weigh insoluble reaction products as well as utilize the mole method to compute the amount and percentage of nickel in an unknown nickel sample. The chemical reaction that took
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include‚ moral values in an organization are and often difficult to enforce unless there are policies in places. It begins from day one‚ policies‚ procedures‚ trainings‚ and external inspections to ensure adherence this becomes the core concept. Fact Finding Two - Coleen Colombo has been sexually harassed by a male colleague who made her feel “uncomfortable and fearful” by “intentionally rubbing his body against hers.” (Hellriegel‚
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