label it as polar or non-polar. Silica gel - polar alumina - polar cellulose - non-polar (3) Why do “do-it-yourself” TLC plates give inconsistent results? Due to variations in the thickness of the absorbent layer. (4) What concentration of compound(s) should be prepared to spot on a TLC plate? The sample should be dissolved in a suitable solvent to make around a 1% solution. The solute should be present at a concentration in the 0.2-2.0% range. (5) Why should TLC plates be marked
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1. From Van den Bosch’s point of view‚ what was his intention in sending the email? The Van Den Bosch case shows issues in different responsiveness and cultural values and cross culture communication. In the case‚ Johannes van den Bosch‚ the Rotterdam office representative of Big Four Firm‚ is having problems communicating and getting the expected actions and results from his partner in Mexico‚ Pablo Menendez. As the result of this Van den Bosch has been receiving a lot of verbal abuse and pressure
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OnOnce More to the Lake White‚ E.B. “Once More to the Lake.” The Norton Reader. 13th ed. Linda Peterson et al. New York: W.W. Norton and Company 2012. 79-83. Print. In E.B. Whites essay “Once more to the Lake”‚ E.B. White writes of childhood memory going to the lake camping with his father as a young boy and now taking his own son to the lake. Most of the essay is very descriptive detail of memories camping at the lake as a child and White conflicting growing older as he makes new memories with
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parents should have been given access to his email. The reason I feel this way is because there are things that us as humans do that we keep private. The parents have the right to know what their son was doing in his private life so that they could better understand their son and find out things that maybe he did not feel they needed to know about his life. They way that Yahoo handled the situation was correct in that‚ they followed exactly what they say in their privacy statement when
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Based on the novel by Humphrey Cobb‚ Stanley Kubrick directed the movie Paths of Glory in 1957. Kirk Douglas plays the role of Colonel Dax‚ a commander of the French army in World War I. Held in their trenches against the threat of German cannons‚ the regiment is ordered on a suicidal mission to capture the Germans. When the mission fails‚ French generals order three soldiers to be tried and executed on the charge of cowardice. Dax is selected defense attorney for the chosen soldiers. Kubrick explores
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The book The Giver is a dystopia. It is a dystopia because you get your bike at 12 years old‚ they kill small children‚ and they can’t leave the community. Children in The Giver receive their bikes when they are twelve. I think that is too old.I think you need to get your bike it eight years old.Because if you get your bike at 8 you can practice. So when you get twelve you will know how to ride your bike to where you need to go. So you need to get your bike taller than twelve. In the b community
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In Eudora Welty’s short story “ A Worn Path ”‚ the author uses visual imagery and apostrophe to characterize Phoenix Jackson as a poverty stricken elderly woman. Phoenix Jackson is portrayed as a very poor elderly woman by the way Welty describes her apparel. Her clothes weren’t made from traditional cloth‚ “ She wore a dark striped dress reaching down to her shoe tops‚ and an equally long apron of bleached sugar sacks”. That piece of her wardrobe is usually kept as a kitchen accessory and usually
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exist only with the consent of those managed. The culture main focus on luxury‚ comfort‚ style‚ hospitality and the cuisine‚ in order to meet the objective of company is to give its customers a service like kings and queens. Employees of this organization are trained in very precise standards and specification for treating customers. "While service is declining in other industries‚ The Ritz-Carlton Hotel Company‚ L.L.C. has continued to increase it’s business and offer its guests unparalleled
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E-mail to an old friend Hi Jenny! Do you remember me?? I couldn’t believe my eyes when I saw your name on the friends reunited website and I also can’t believe that it have been 22 years since we graduated from Lasalle!! How are things with you? I really hope you are well. That time you said you will go to Paris for your further studies‚ but unfortunately‚ we lost contact after that... You told me you have your ambitions to run your own business on Fashion when you finished
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apologizing to Lillian Jean and begging for forgiveness. When this affair happened‚ the white folks felt superior to Cassie‚ therefore forcing the little girl to be pushed into the road and begging for her forgiveness. Racism has come a long way from the 1930’s‚ but do we see a difference in the
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