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Answer: Thank you Dear Vikash for your questions. Yes, It will be 1855 instead of 1955. By mistake the year is 1955. Please read it 1855 instead of 1955.
Answer: The purpose of the reboiler is to produce the vapour stream in the distillation column, called the reboiled vapour or the boil-up vapour. Reboilers can be both external or internal. Steam reboilers or fired reboilers can be used. If the reboiler is considered one trays then the no of trays will be ideal stage+1.
Answer: Please try yourself. You can follow lecture No 6 in Module 2. The equation (2.72) is useful for your solution.
Answer: Please follow the lecture notes along with different reference books to understand your doubt.
Answer: Number of collisions will increase with temperature. But, the extent of random thermal movement will preside over additional collisions. As a result diffusivity will increase.
Answer: Always, total pressure of the system is P=pA+pB, where pA and pB are the partial pressures of gas A and B. pA and pB will vary from point to point due to diffusion, but total pressure will remain constant at P.
Answer: Dear Mukund, according to Fick's first law, molar flux of a species relative to an observer moving with molar average velocity is proportional to concentration gradient. Hence, the driving force is linear.
