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I s it possible to carry out steam distillation at a temperature higher than 100C at 1 atm? Explain
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- What gas law is applicable to the fractional distillation of ethanol-water mixture?Explain the principle behind vacuum distillation.2.67 g of pure acenapthene (AN) is completed dissolved in 15.1 mL of hot ethanol at 70∘C. If this hot solution is then cooled in an ice bath, what quantity of AN would crystallize out of the cold ethanol at 0∘C?
- Is it possible to carry out steam distillation at a temperature higher than 100C at 1 atm? Why?12 (a) (b) Describe how you can obtain the integrated form of the Clapeyron equation as below. State any assumptions you have to make. Afus H (T-T) P₂≈ P₁+ AfusV T₁ The heat of fusion (Afus H) of Hg at its normal melting point (-38.9 °C) is 2.82 cal.g¹. The densities of Hg(s) and Hg(1) at -38.9 °C and 1 atm are 14.193 and 13.690 g cm Estimate the melting point of Hg at 100 atm using the result in (a). respectively. Ans 234.8K or -38.4°CWhat limitations are encountered in the apolication of sublimation as a general method of purification?
- Draw a temperature-composition diagram for the acetone-chloroform mixture, wherein the boiling points of acetone and chloroform are 329 K and 334 K, respectively. They supposedly form a high boiling azeotropic mixture at Xacetone = 0.34 with boiling point at 430 K.The vapor pressure of aniline near 100°C is approximately 46 mm Hg. Estimate the amount of aniline that would steam distill if 500 g of water (steam) is collected at barometric pressure of 760 mm Hg. 2.does the boiling point of liquid solution independent of its composition (yes or no?)
- Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4°C. The vapor pressure of water at 69.4°C is 227.7 mm Hg. Compare the result with the data in the given table.4. The water levels inside and outside the flask when it was submerged in cold bath must be equal before the flask is removed. Explain.The solvent for an organic reaction is prepared by mixing 70.0 mL of acetone (C3H6OC3H6O) with 56.0 mL of ethyl acetate (C4H8O2C4H8O2). This mixture is stored at 25.0 ∘C∘C. The vapor pressure and the densities for the two pure components at 25.0 ∘C∘C are given in the following table. What is the vapor pressure of the stored mixture? Compound Vapor pressure(mmHg) Density(g/mLg/mL) acetone 230.0 0.791 ethyl acetate 95.38 0.900