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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Third semester B.Tech examinations (S) September 2020

Course Code: CH201
Course Name: CHEMICAL PROCESS CALCULATIONS

PARTA
Answer any two full questions, each carries 15 marks.
Convert the following empirical equation into SI units.

_ 0.02 6004957025
0027

where h is heat transfer coefficient in Btu/hr ft” °F

Gis mass velocity of liquids in Ib/ft’s

k is thermal conductivity in Btu/ft.hr. °F

C, is specific heat in Btu/Ib °F

D is diameter of tube in ft

‎is viscosity of liquid in lb/ft 5‏ یر
‎An aq. solution of KxCO3 is prepared by dissolving 43 kg 182000; in 100 kg water‏
‎at 293 K. The density of the solution is 1.3 kg/L. Find the molarity, normality‏
‎and molality of the solution.‏
‎A gas mixture at 1 atm and 273 K has the following composition by volume.‏
‎Ethylene — 30.6 %, Benzene — 24.5 %, Oxygen — 1.3 %, Methane — 15.5 %,‏
‎Ethane — 25 %, Nitrogen — 3.1 %. Find the average molecular weight, density and‏
‎composition by weight of the gas mixture.‏
‎State and explain Soave Redlich-Kwong equation of state.‏
‎Write a note on specific gravity scales.‏
‎State and prove Amagat’s law.‏
‎State and explain Kay’s rule. Write its application.‏

‎PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.

‎Derive Clausius-Clapeyron equation. Write its significance.
A distillation column separates 10,000 kg/hr of 50% benzene - 50 % toluene

‎mixture. The product recovered from the top contains 95% benzene while the

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‎Duration: 3 Hours

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