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a. The mixture average molecular weight of air is 29.0 g/mol. How many grams of air are in the cylinder? b. What would the pressure of the cylinder be if the temperature of the cylinder was reduced to 5oC? c. How much volume would the same amount of air occupy at standard temperature and pressure?

a. The mixture average molecular weight of air is 29.0 g/mol. How many grams of air are in the cylinder? b. What would the pressure of the cylinder be if the temperature of the cylinder was reduced to 5oC? c. How much volume would the same amount of air occupy at standard temperature and pressure?

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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2. The properties of air at moderate pressure and temperature are well modeled by the ideal gas
equation of state. Compressed air fills a 50.0 L gas cylinder. The absolute pressure and
temperature of the air is 7.40 atm and 35oC.
a. The mixture average molecular weight of air is 29.0 g/mol. How many grams of air
are in the cylinder?
b. What would the pressure of the cylinder be if the temperature of the cylinder was
reduced to 5oC?
c. How much volume would the same amount of air occupy at standard temperature and
pressure?

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