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A cylindrical open top vessel with 30 cm diameter contains 100 grams of water at 25 °C and 1 atm. The time required to evaporate all the water is 30 hours at the given conditions. What is the time required to evaporate the same amount of the water from the same vessel if the temperature is 65 °C and the pressure is 0.8 atmosphere. Given that the vapor pressures of water at 25 °C and 65 °C are 0.031 atmosphere and 0.247 atmosphere respectively, and the vapor pressure of water at 50 mm far from the water surface is negligible at all temperatures.

A cylindrical open top vessel with 30 cm diameter contains 100 grams of water at 25 °C and 1 atm. The time required to evaporate all the water is 30 hours at the given conditions. What is the time required to evaporate the same amount of the water from the same vessel if the temperature is 65 °C and the pressure is 0.8 atmosphere. Given that the vapor pressures of water at 25 °C and 65 °C are 0.031 atmosphere and 0.247 atmosphere respectively, and the vapor pressure of water at 50 mm far from the water surface is negligible at all temperatures.

Introduction to Chemical Engineering Thermodynamics
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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Q2: A cylindrical open top vessel with 30 cm diameter contains 100 grams of water at 25 °C and 1 atm. The time required to evaporate all the water is 30 hours at the given conditions. What is the time required to evaporate the same amount of the water from the same vessel if the temperature is 65 °C and the pressure is 0.8 atmosphere. Given that the vapor pressures of water at 25 °C and 65 °C are 0.031 atmosphere and 0.247 atmosphere respectively, and the vapor pressure of water at 50 mm far from the water surface is negligible at all temperatures.
Transcribed Image Text:Q2: A cylindrical open top vessel with 30 cm diameter contains 100 grams of water at 25 °C and 1 atm. The time required to evaporate all the water is 30 hours at the given conditions. What is the time required to evaporate the same amount of the water from the same vessel if the temperature is 65 °C and the pressure is 0.8 atmosphere. Given that the vapor pressures of water at 25 °C and 65 °C are 0.031 atmosphere and 0.247 atmosphere respectively, and the vapor pressure of water at 50 mm far from the water surface is negligible at all temperatures.
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