FACTORS AFFECTING SOLUBILITY There are three main factors that control solubility of a solute. (1) Temperature (2) Nature of solute or solvent (3) Pressure EFFECT OF TEMPERATURE Generally in many cases solubility increases with the rise in temperature and decreases with the fall of temperature but it is not necessary in all cases. However we must follow two behaviours: In endothermic process‚ solubility increases with the increase in temperature and vice versa. For
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life emerges in the universe was Earth‚ and the fraction of life bearing planets on which intelligent life appears in Milky Way was (according to the given value) . So it was difficult to define that there is intelligent life outside of the Earth. However‚ in our calculation‚ we plugged the number 2 in instead of 1‚ and this makes a very significant change because it indicates intelligent life emerges outside of Earth. Thus‚ the importance of the fraction 2 is that it proves the emergence of the intelligent
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this represents the fraction of those stars per planetary systems. Since there is relationship a 1 to1 ratio of planetary systems between stars and within stars of each habitable planet‚
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S OUTHEAST ASIAN J T ROP MED P UBLIC H EALTH ANTI-HEAD LICE EFFECT OF ANNONA SQUAMOSA SEEDS Junya Intaranongpai 1‚ Warinthorn Chavasiri 2 and Wandee Gritsanapan 1 1 Department of Pharmacognosy‚ Faculty of Pharmacy‚ Mahidol University‚ Bangkok; Department of Chemistry‚ Faculty of Science‚ Chulalongkorn University‚ Bangkok‚ Thailand 2 Abstract. The present study focused on the separation and identification of the active compounds against head lice from the hexane extract of Annona squamosa
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temperatures. This process is often used to separate a high boiling component from small amounts of nonvolatile impurities. Continuous distillation This is a process in which a liquid mixture is continuously fed into the process and separated fractions are removed continuously. Vacuum distillation It is used for some compounds
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Chapter 4 Fundamentals of Material Balances Material Balance-Part 1 Process Classification 3 type of chemical processes: 1. Batch process – Feed is charge to the process and product is removed when the process is completed – No mass is fed or removed from the process during the operation – Used for small scale production – Operate in unsteady state March 31‚ 2009 ChE 201/shoukat@buet.ac.bd 2 Process Classification 2. Continuous process – Input and output is continuously
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Contents MODULE 2 1 Scatter graphs 1.1 Scatter graphs and relationships 1.2 Lines of best fit and correlation 1.3 Using lines of best fit Chapter summary Chapter review questions 1 1 5 6 10 10 4 Processing‚ representing and interpreting data 4.1 Frequency polygons 4.2 Cumulative frequency 4.3 Box plots 4.4 Comparing distributions 4.5 Frequency density and histograms Chapter summary Chapter review questions 51 51 56 64 65 68 73 73 2 Collecting and recording data 14 2.1 Introduction
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Laboratory report Aluminum Copper Alloy MSCI 300 – Thermodynamics of Materials Alexandre de Freitas Silveira Eau Claire December 18th‚ 2012. Abstract: At this experiment‚ the composition of an alloy of Aluminum Copper was analyzed via X-Ray Fluorescence. From this‚ it was possible to construct a phase diagram a make some predictions about the possible phases presents at considering the 3 samples used in this experiment‚ the samples prepared at this experiment the sample as delivered
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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 0.48×350=0.999×F-B+0.005B‚ B=182.75 kmols hr-1 D=F-B=350-182
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Financial Decision Analysis~Marriott Corporation Case Study Executive Summary – Q5 – Hurdle Rate Analysis Hurdle rates‚ the weighted cost of capital that projected cash flows must exceed for initiatives to be considered‚ vary within Marriott Corporations due to their unique industry risk levels and capital structures. They use this number to determine which projects to accept‚ to adjust the rate at which the firm grows and as a measure for compensation within each business area‚ and as incentive
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