The size of your classroom is 80 ft wide, 40 ft deep, and 12 ft high. Assume that theair in the classroom is 25 oC and at 14.7 psia. Calculate(a) the mass of oxygen in the room in kilograms, and(b)  the viscosity of the air, in pascal-seconds (Paꞏs) [kg/(mꞏs)].

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
Question

The size of your classroom is 80 ft wide, 40 ft deep, and 12 ft high. Assume that the
air in the classroom is 25 o
C and at 14.7 psia. Calculate
(a) the mass of oxygen in the room in kilograms, and
(b)  the viscosity of the air, in pascal-seconds (Paꞏs) [kg/(mꞏs)]. 

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