Mechanism 4 shows the debromination of 2α-bromocholestan-3-one to give 4. This mechanism which is similar to a Favoskii rearrangement‚ is likely to go via this path as other research has shown that there is often a by-product with this reaction. The by-product is cholest-4-en-3-one which requires the intermediate seen in the third molecule in the above mechanism. The intermediate is highly strained and with the presence of base a proton will be extracted which aids the collapse of the three membered
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FI 512 Week 1 Answer Key Chapter 1 1. [Financing Concepts] The following ventures are at different stages in their life cycles. Identify the likely stage for each venture and describe the type of financing each venture is likely to be seeking and identify potential sources for that financing. A. Phil Young‚ founder of Pedal Pushers‚ has an idea for a pedal replacement for children’s bicycles. The Pedal Pusher will replace existing bicycle pedals with an easy release stirrup to help
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Overview There are 3 online assessments (Assessment #1 ‚#2‚ and #3) Each assessment will take approximately 15 minutes to complete Please complete the assessments when you are alone and cannot be distracted‚ as the results are affected by the consistency of your answers Please complete the assessments on a computer that meets these requirements: Screen resolution width of 1024 pixels or greater (do not take the assessments on a cell phone) Apple: Mac OS 10.5 or higher using Safari v4.0 or higher
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Problem 1: Workload Balancing Digital Imaging: Balancing Photo Printer Production Digital Imaging‚ a company that produces photo printers‚ recently introduced two models of printers into the average consumer market: the DI-910‚ and the more sophisticated and faster DI-950. Analysis shows that management can expect profit contributions of $42 for each DI-910 and $87 for each DI-950 produced. Both models are assembled in an automated plant using two production lines. Production line 1 allocates
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1(a) Explain the general principles of utilitarianism‚ including reference to both act and rule utilitarianism The theory of utilitarianism was devised by Jeremy Bentham (1748-1832)‚ an English philosopher‚ who gave us the general principle which is used in Bentham and Mill’s theory of utilitarianism and act and rule utilitarianism. The general principle which utilitarianism is based around is the idea of maximising pleasure and minimising pain. Bentham put forward his hedonistic theory in the
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easier such as the stone axe. They also developed the technique of sculpturing with clay and stone which was better than sculpturing with stone or reindeer horns like the Paleolithic people did. On the other hand‚ when taking a closer look at the disadvantages it was not all so great. As people where entering the Neolithic Era they were becoming less health‚ and was making them more prone to diseases such as; malaria‚ tuberculosis etc. The lifespan for the Paleolithic people was much longer than those
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ADVANTAGES AND DISADVANTAGES OF USING INTERNET In the history of human mankind‚ the Internet has undoubtedly been the greatest development in the domain of communication industry. Internet has tremendous potentials and a lot to offer in terms of services. However‚ if examined carefully‚ the Internet appears to have not only advantages but also some drawbacks. One good point is that the Internet is a source of information. There is a huge amount of information available on the Internet for just
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Both Sides of the Fence Have you ever been so selfish and greedy about something that you did not want to share? In the story‚ "Both Sides of The Fence”‚ a greedy and selfish man named Alberto learns a very valuable lesson from his neighbor Juan. Alberto learns a lifelong lesson that his selfish pride is very foolish‚ and being kind and generous is more rewarding. In the beginning of the story‚ Alberto was seen as being very selfish and wanted his apple tree all to himself. Alberto also brags that
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5% Used dent and ends/dent : 90/3 dent 1) Cover Factor Ccover = C1 + C2 – C1 . C 35 Tex = 16.87 Ne C1 = d1 x n1 C2 = d2 x n2 D1 and D2 = 1/ 28. (Ne)^1/2 (inch) n1 = 30 ends/cm D1 and D2 = 0.0220 cm n2 = 24 picks/cm C1 = 0.0220 x 30 = 0.662 C2 = 0.0220 x 24 = 0.528 Ccover = (0.662 + 0.528) – ( 0.662 x 0.528) Ccover = % 85.2 2) Basis Weight Warp Weight = [30 x 100 x (1 + 0.08)]/ 16.87 = 192‚05 g/m^2 Weft Weight = [24 x 100 x (1 + 0.05)]/ 16.87 = 149. 377 g/m^2
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Chapter 3 Ecosystems: What Are They and How Do They Work? Section 3-1: What Keeps Us and Other Organisms Alive? Earth’s life support system has four major components: The atmosphere (air) The hydrosphere (water) The geosphere (rock‚ soil‚ and sediment) The biosphere (living things) The Atmosphere The atmosphere can be divided into two layers: The troposphere extends about 17 km above sea level at the tropics and about 7 km above the north and south poles. It contains the air we breathe: 78% Nitrogen
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