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A single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH solution. Saturated steam at 3 atm is available for heating. The vapour space in the evaporator is at a pressure of 10 kPa. The overall heat transfer coefficient is 2000 W m-2 K-1 Determine:
a) the amount of vapour produced.
b) the area required for the evaporator. Include clearly values of relevant properties. c) the economy.
Name the most basic amino acid a) The most basic amino acid is arginine. It has the highest isoelectric point. b) Glycine is not chiral and therefore it cannot be optically
Q. Preparation of hot souffle ? i) Melt 12 g butter in a saucepan. Add 12 g flour and stir cook for 1-2 minutes. ii) Gradually add ¼ cup of scalded milk stirring continuou
Q. Illustrate the structure of Alkanes? Ans. Alkanes have the general formula C n H 2n+2 . This means that for every n atoms of carbon, there are 2n + 2 atoms of hydrogen.
How do you know if a property is extensive or intensive?
Carbohydrates The carbohydrates are naturally taking place organic molecules. They exist in both of the animals and plants. "Carbohydrates are ddescribed as a class of comp
FIND HYBRIDISATION OF NITROGEN IN NO
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Evaporation theory and describe advantages, disadvantages and application?
When a result of barium nitrate and a solution of copper(II) sulphate are mixed a chemical reaction produces solid barium sulphate which sinks to the bottom and a solution of coppe
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