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As part of the process of producing sugar crystals from sugar cane, raw sugar cane juice is sent to a series of evaporators to remove water. The sugar cane juice, which is 85wt% water, is fed to the first evaporator at 10,000 lb/h. The concentrated juice out of the last evaporator is 40wt% water. First examine a system with two evaporators. Calculate the water evaporated n each evaporator, assuming that the fraction of water in the feed removed in each evaporator is the same. Then, develop a linear model of a flow sheet with N evaporators, assuming that the fractional recovery of water fr,w is each evaporator is the same and that the concentrated juice coming out of the last evaporator still contains 40wt% water.
Calculate the equilibrium constant of the following reaction at 25 C from the standard potential data:
A 122 piece of metal is heated to 285 and dropped into 84.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal.
Calculate the percent yield for an experiment in which 5.50 g of SOCl2 was obtained in a reaction of 5.80 g of SO2 with excess PCl5
A stock solution is prepared by adding 20 mL of 1.21 M AlCl3 to enough water to make 72 mL. What is the Al3+ concentration of 30 mL of the stock solution
A radiation detector exposed to sunlight records the energy falling on a given area each unit time. If such a detector has a reading of .430 cal cm^-2 min^-1, how many photons of sunlight are striking each cm^2 in one minute? Assume the average wa..
formulate a complete mechanism for the thiamine-catalyzed conversion of benzaldehyde to benzoin
Predict the product that is formed when methyl 2-(3-oxocyclohexyl)acetate undergoes
When you heat baking soda (NaHCO3), it breaks down into sodium carbonate powder (Na2CO3), carbon dioxide and water vapor. Write a correct thermo chemical equation and explain what it tells you about the reaction ( The enthalpy of this reaction is ..
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
write the amino acid sequence in the N-terminal to C-terminal direction. Use the three-letter amino acid abbreviations (for example, Glu-Asp-Val).
The rate constant of the reaction A ? B + C is 2.75 x 10-7 s-1 at a certain temperature. The initial [A] is 2.19 M. How many days would pass before A had decomposed to the extent that 0.601 M of A remained?
If the enthalpy of combustion of the compound is -2978.0 kJ/mol and the temperature of the calorimeter rises from 25.44 C to 27.7 C, how many moles of the compound were oxidized?
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