Answered: There is liquid methanol at the bottom…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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There is liquid methanol at the bottom of a square-section tank with a total height of 7.50 m and a side of 1.50 m open to the atmosphere. The tank is under 25°C temperature and 1 atm pressure and the liquid level height at the bottom is kept constant at 0.450 m . If the lid of the tank is left open, the alcohol vapor diffuses through the stagnant air in the tank and disperses into the atmosphere. What is the rate of evaporation of methanol from the tank in g/day when the lid is left open? Saturated vapor pressure of methanol at 25^oC: P_A = 16960 Pa Diffusion coefficient of methanol vapor in air at 25^oC and 1 atm: D_AB = 14.0 x10^-6 m²/s

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