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66. Air is compressed into a 0.5ft³ rigid tank until the initial pressure is 345 psia when the temperature raises from 35°F. If the air is allowed to cool to 24°F. What will be the final pressure of the air?

66. Air is compressed into a 0.5ft³ rigid tank until the initial pressure is 345 psia when the temperature raises from 35°F. If the air is allowed to cool to 24°F. What will be the final pressure of the air?

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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please answer #66 Topic: Gas Law
65. The temperature of an ideal gas remains constant at 250 °K while the absolute pressure changes from 345 kPaa to 209 kPaa and initial volume is 0.310 m³. What is the final volume of the gas at this process? 66. Air is compressed into a 0.5ft³ rigid tank until the initial pressure is 345 psia when the temperature raises from 35°F. If the air is allowed to cool to 24°F. What will be the final pressure of the air? 67. The temperature of a 3kg oxygen occupying 0.31m³ is 26°C, while the pressure remains constant at 800kPaa. Determine the final volume of the oxygen if the temperature of the gas during this change increases to 410 °C. 68. Air is compressed into a 45 ft³ rigid tank until the pressure is 52.5 psia and the temperature becomes 652°R. What is the mass of the air in lbm? Rair = 53.342 ft-lb/ lbm-ºR
Transcribed Image Text:65. The temperature of an ideal gas remains constant at 250 °K while the absolute pressure changes from 345 kPaa to 209 kPaa and initial volume is 0.310 m³. What is the final volume of the gas at this process? 66. Air is compressed into a 0.5ft³ rigid tank until the initial pressure is 345 psia when the temperature raises from 35°F. If the air is allowed to cool to 24°F. What will be the final pressure of the air? 67. The temperature of a 3kg oxygen occupying 0.31m³ is 26°C, while the pressure remains constant at 800kPaa. Determine the final volume of the oxygen if the temperature of the gas during this change increases to 410 °C. 68. Air is compressed into a 45 ft³ rigid tank until the pressure is 52.5 psia and the temperature becomes 652°R. What is the mass of the air in lbm? Rair = 53.342 ft-lb/ lbm-ºR
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