You are an officer in the US Navy and have volunteered for submarine duty. As an environmental engineer, your job is to ensure the health and safety of all personnel on the submarine. You monitor an air purification system that automatically generates oxygen to maintain and N2/O2 ratio of 3.75 and a water vapor mole fraction of 0.017. At what CO2 level (in ppm) must you set the alarm to ensure that the O2 never drops below 19.5%?

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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You are an officer in the US Navy and have volunteered for submarine duty. As an environmental engineer, your job is to ensure the health and safety of all personnel on the submarine. You monitor an air purification system that automatically generates oxygen to maintain and N2/O2 ratio of 3.75 and a water vapor mole fraction of 0.017. At what CO2 level (in ppm) must you set the alarm to ensure that the O2 never drops below 19.5%?

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