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Chemistry / Elementary Principles of Chemical Processes 4 / Chapter 6.8 / Problem 6.22

Elementary Principles of Chemical Processes | 4th Edition | ISBN: 9780470616291 | Authors: Richard M. Felder Ronald W. Rousseau, Lisa G. Bullard

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A 1000-gallon tank currently contains 100.0 gallons of liquid toluene and a gas

Chapter 6, Problem 6.22

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QUESTION:

A 1000-gallon tank currently contains 100.0 gallons of liquid toluene and a gas saturated with toluene vapor at 85F and 1 atm. (a) What quantity of toluene (lbm) will enter the atmosphere when the tank is filled and the gas displaced? (b) Suppose that 90% of the displaced toluene is to be recovered by compressing the displaced gas to a total pressure of 5 atm and then cooling it isobarically to a temperature TF. Calculate T.

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QUESTION:

A 1000-gallon tank currently contains 100.0 gallons of liquid toluene and a gas saturated with toluene vapor at 85F and 1 atm. (a) What quantity of toluene (lbm) will enter the atmosphere when the tank is filled and the gas displaced? (b) Suppose that 90% of the displaced toluene is to be recovered by compressing the displaced gas to a total pressure of 5 atm and then cooling it isobarically to a temperature TF. Calculate T.

ANSWER:

F in degree F.

a) Assuming that the tank experiences a negligible pressure change (1 atm above and 1 atm below) and that all of the liquid evaporates, the qauntity of toluene (in lbm) that will enter the atmosphere is calculated as follows:

100 g

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