composition is 0.50 mole fraction A. (a) Draw a rough graph of temperature versus volume of liquid collected for a distillation starting with 100 mL of liquid having composition 0.60 mole fraction A. 9. Examine Figure 5.51. Assume the melting point of pure A is 102oC‚ of the eutectic is 80oC‚ and of pure B is 110oC. Assume cooling ends when the temperature drops to 50oC. Draw the cooling curve for composition a (assume a2 occurs at 104oC). 10. Identify
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The earth has not always looked the way it looks today. In other words‚ the United States one billion years ago was in a totally different location than it is today!! How does this happen? And why does this happen? Let’s take a look. In order for us to get some understanding of how the earth has changed over time‚ we first need to understand some of the things that took place‚ and are still taking place‚ in the earth. What about the internal structure of the Earth? Our best clues about the interior
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Vietnamese Youths No Longer Look Homeward Nancy Wride In her essay‚ ‘’Vietnamese Youths No longer Look Homeward’’‚ Wride familiarizes readers with the so-called 1.5 generation and does this by interviewing a group of California high school and college students‚ who share their thought about the American dream‚ Vietnamese ancestry‚ and assimilation. According to Wride the 1.5 generation are Vietnamese who immigrated to the United States of America‚ typically at an early age‚ thus most
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is mainly made of a solvent‚ while the solute is the smaller part of the solution. A solution’s freezing point depression is a type of colligative property. There are four types of colligative properties: vapor pressure‚ freezing point depression‚ melting-point elevation‚ and osmotic pressure. When a non-volatile (does not vaporize) solute mixes with the solvent‚ it lowers the vapor pressure of the solvent. This also raises the boiling point and lowers the freezing point. To find the molar mass of
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in grey cast iron gives the material good resistance to wear and also provides good corrosion resistance and lubrication characteristics which gives it exceptional machinability. The Carbon also provides good strength and toughness and has a high melting point which allows it to handle more heat under intense driving conditions. The composition of the grey cast iron is 3.5% carbon‚ 2.5% silicon and .65% manganese. Cast Iron engine blocks are still very common to this day in larger vehicles such as
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References: Anon.‚ 2009. Lead or Tin Phase diagrams. [Online] Available at: http://www.sanjose.edu/labnotes/tech25 [Accessed 09 April 2013]. Bunnelle‚ W. H.‚ Meyer‚ L. A. & Glaser‚ R. E.‚ n.d. Recrystallization and Melting Point Determination. [Online] Available at: www.chem.missouri.edu/.../Recrystallization%20notes.doc [Accessed 09 April 2013]. Garland‚ C. W.‚ Nibler‚ J. W. & Shoemaker‚ D. P.‚ 2003. Experiments in Physical Chemistry. 7th Edition ed. New York:
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and names. Fitting into American has been a major topic for my English courses for the last 3 years. From an inside perspective‚ it doesn’t seem very hard to be able to fit into a country where just about anything is acceptable. Known as “the melting pot” of different cultures‚ America should be welcoming to non-Americans. The father describes a dramatic moment in their immigration process when he says‚ “We are people without a country‚ until we walk out of that gate‚ and then we are American”
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1. Examine the approach Trader Joe’s uses to promote a positive work environment for its employees. Determine at least three (3) ways in which Trader Joe’s is able to increase job satisfaction and performance. Trader Joe’s has become a multi-billion dollar national chain partly through its ability to find cheap real estate‚ skip name brands and smartly manage its supply chain. Trader Joes is a company that truly appreciates it employee. They literally put their money where its mouth is. This company
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Everyone is made from a collection of nationalities in the United States. What if you were told you had to act a certain way to appease national standards? Everyone should have the right to individuality‚ with movement away from conformity. The United States has come into a new age of diversity‚ with no limitations on who you have to be in society. Even though the people of the United States have many nationalities‚ everyone remains pushing towards the same goal in life. In D’Souza’ article What’s
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Canada prides itself at home and abroad as a country made up of a cultural mosaic rather than a cultural melting pot. The mosaic is based on our belief that Canada as a whole becomes stronger by having immigrants bring with them their cultural diversity for all Canadians to learn from. The cultural melting pot‚ as adopted in the United States‚ tells immigrants that no matter who they have been in the past‚ upon landing on American shores‚ they are Americans and are expected to adopt and follow the
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