Multicomponent distillation 1) Mass balances The feed flowrate is 350 kmols hr-1 and the feed composition is known: 48 mol% propene‚ 50 mol% propane and 2 mol% butane. The distillate stream composition: 99.9 mol% propene and 0.1 mol% propane. The bottom product stream contains 0.5 mol% propene but the mole fractions of propane and butane are unknown. Therefore‚ mass balances are carried out around the distillate column. Overall mass balance: F=D+B Component mass balance for propene: xFF=yDD+xBB
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Side Effects of Plastic Surgery Plastic surgery‚ like most of medicine‚ was a work in progress for centuries. Now people are paying top dollar to modify their body‚ everything from their face to their stomach to even their buttocks. The question one must consider before making a decision to change physically is‚ are the side effects worth it? Under going plastic surgery can open-doors for bacterial or viral infections‚ allergic reactions from medications to result in unwanted scars‚ irreversible
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Sandra Lawson English 101 Jen Heckler 15March2013 To Use or Not to Use Plastic Grocery Bags an d Plastic Drinking Bottles. Most people if asked would say that they want to do the correct thing when it comes to their plastic waste. Every day the human race throws out millions of pounds of toxic waste in the form of plastic drink bottles and plastic grocery bags‚ for the most part‚ we do not do this maliciously; most people just do not know where to dispose of it other than the wastebaskets
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to cross; it is more of a bridge than a barrier‚ even though there is a sharp drop both in altitude and life-supporting conditions from the Atlas into the Sahara desert itself‚ which is one of the most arid and least hospitable climates on earth. Trans-Sahara trade refer to the trade between North Africa and Western Sudan across the Sahara desert. The trade requires travel across the Sahara to reach Sub-Saharan Africa from the North Africa Coast‚ Europe or the Levant. While the trade existed from
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under "Case Study Instructions." With the following questions in mind‚ develop a case analysis. ***Additional Note: Please make sure to specifically answer each question below. 1. Would you go under the knife to enhance your career opportunities? Why or why not? 2. What negative stereotypes are fueling the use of cosmetic surgery to change one’s appearance? 3. To what extent does the Pygmalion effect‚ Galatea effect‚ and Golem effect play a role in this case? Explain 4. Based on this case and what
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been disputed is the idea of banning plastic bags. As people become more aware of the environment and are attempting help‚ the environment they come up with more ways to. The most known way to help the environment is to reuse and recycle; however‚ many want to go even further than that and ban certain items. There is a recent argument on both a local and global level on the issue of banning plastic bags. There are grocery stores that have already banned plastic bags and there are stores that are debating
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reasoning for my opinion. The articles and information exposed as of today could be targeted to only one side of the argument and favoring the pros side‚ or vice versa. Most of my ideas were formed from the opinions of professionals dealing with the Trans-Pacific Partnership because of the lack of information‚ analysts can only make predictions and educated estimates on the effect of the TPP on the Canadian economy. That means‚ their arguments are based on a limited amount of information
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EXPERIMENT A: CIS-TRANS CONVERSION OF BUTENEDIOIC ACID PRE-LAB ASSIGNMENT 1. Maleic acid is the cis version and fumaric acis is the trans version of butenedioic acid. 2. 3. See attached paper. 4. Maleic anhydride is the compound that crystalizes in part A in the experiment. 5. HCl acts as a catalyst to break one of the carbonyl group in the maleic acid which rotates the structure to form a trans structure of the butonal acid which is the fumaric acid. And it does so by donating
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statistically proven that 90% of teenage girls are insecure about their bodies‚ about half of that percentage have considered plastic surgery to solve their insecurities. But is plastic surgery really the way to lean to in your developing teenage years? Plastic Surgery can be very advantageous for the teenager who is insecure about their appearance. But‚ it may also be very consequential. Plastic surgery comes with many side effects and sometimes even results
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Partnership with Plastic Recycling Companies It goes without saying that some recycling measures‚ including setting up of recycling bins‚ have been done by the school to promote recycling of plastic in the campus‚ but we believe that the duty of recycling cannot count on the school solely on account of the limited school resources. In view of this‚ we suggest that the school can ask for partnership with some of the plastic recycling companies in Shantou City. The partnership will be a mutually-beneficial
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