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An ideal gas initially at 500 K and 8bar undergoes a four-step mechanically reversiblecycle in a closed system. In step 1-2, pressure decreases isothermally to 3 bar(isothermal process); instep 2-3, pressure decreases at constant volume to 2 bar(isochoricprocess); in step 3-4, volume decreasesat constant pressure(isobaricprocess); and in step 41, the gas returns adiabatically to its initial state(adiabatic process).Take CP= (7/2)R and CV= (5/2)R.  Determine (where unknown) both T and P for states 1, 2, 3, and 4.[ Calculate Q, W, ΔU, and ΔH for each step of the cycle

An ideal gas initially at 500 K and 8bar undergoes a four-step mechanically reversiblecycle in a closed system. In step 1-2, pressure decreases isothermally to 3 bar(isothermal process); instep 2-3, pressure decreases at constant volume to 2 bar(isochoricprocess); in step 3-4, volume decreasesat constant pressure(isobaricprocess); and in step 41, the gas returns adiabatically to its initial state(adiabatic process).Take CP= (7/2)R and CV= (5/2)R.  Determine (where unknown) both T and P for states 1, 2, 3, and 4.[ Calculate Q, W, ΔU, and ΔH for each step of the cycle

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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 An ideal gas initially at 500 K and 8bar undergoes a four-step mechanically reversiblecycle in a closed system. In step 1-2, pressure decreases isothermally to 3 bar(isothermal process); instep 2-3, pressure decreases at constant volume to 2 bar(isochoricprocess); in step 3-4, volume decreasesat constant pressure(isobaricprocess); and in step 41, the gas returns adiabatically to its initial state(adiabatic process).Take CP= (7/2)R and CV= (5/2)R.

 Determine (where unknown) both T and P for states 1, 2, 3, and 4.[

Calculate Q, W, ΔU, and ΔH for each step of the cycle

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