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Air (N, = 77%, O, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5 m'. Some quantíty of carbon dioxide is forced into the vessel so that the temperature remains at 20°C but the pressure rises to 15 bar. Find the masses of oxygen, nitrogen and carbon dioxide in the cylinder. The universal gas constant is 8.3143 kJ/kg K. [Ans. 1.35 kg, 4.54 kg, 4.51 kg)

Air (N, = 77%, O, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5 m'. Some quantíty of carbon dioxide is forced into the vessel so that the temperature remains at 20°C but the pressure rises to 15 bar. Find the masses of oxygen, nitrogen and carbon dioxide in the cylinder. The universal gas constant is 8.3143 kJ/kg K. [Ans. 1.35 kg, 4.54 kg, 4.51 kg)

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
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18. Air (N, = 77%, 0, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5 m². Some quantíty of carbon dioxide is forced into the vessel so that the temperature remains at 20°C but the pressure rises to 15 bar. Find the masses of oxygen, nitrogen and earbon dioxide in the cylinder. The universal gas constant is 8.3143 kJ/kg K. (Ans. 1.35 kg, 4.54 kg, 4.51 kg)
Transcribed Image Text:18. Air (N, = 77%, 0, = 23% by weight) at 20°C and 10 bar is contained in a vessel of capacity of 0.5 m². Some quantíty of carbon dioxide is forced into the vessel so that the temperature remains at 20°C but the pressure rises to 15 bar. Find the masses of oxygen, nitrogen and earbon dioxide in the cylinder. The universal gas constant is 8.3143 kJ/kg K. (Ans. 1.35 kg, 4.54 kg, 4.51 kg)
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