A mixture of gas (50% nitrogen and 50% oxygen) at 18°C has a volume of 2500 cm3, and initially it is held at the atmospheric pressure Patm = 101.3 kPa. The temperature of the gas mixture is first raised to 37°C using a heater while maintaining the same atmospheric pressure, and then, it is compressed until the gauge pressure is 40 cm H2O while maintaining the same temperature 37°C.What is the partial pressure of oxygen (in absolute pressure) when the gauge pressure is 40 cm H2O?If 40% of the oxygen is replaced by carbon dioxide, find the partial pressure of each gas (nitrogen, oxygen, and carbon dioxide). Assume that the gauge pressure is still 40 cm H2O and the temperature is 37°C.

Given: State 1 conditions: Composition of the gas mixture: 50% N2 and 50% O2 The initial temperature…

Answered: A mixture of gas (50% nitrogen and 50%…

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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A mixture of gas (50% nitrogen and 50% oxygen) at 18°C has a volume of 2500 cm³, and initially it is held at the atmospheric pressure P_atm = 101.3 kPa. The temperature of the gas mixture is first raised to 37°C using a heater while maintaining the same atmospheric pressure, and then, it is compressed until the gauge pressure is 40 cm H₂O while maintaining the same temperature 37°C.

What is the partial pressure of oxygen (in absolute pressure) when the gauge pressure is 40 cm H₂O?

If 40% of the oxygen is replaced by carbon dioxide, find the partial pressure of each gas (nitrogen, oxygen, and carbon dioxide). Assume that the gauge pressure is still 40 cm H₂O and the temperature is 37°C.

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