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One kilogram on a diatomic ideal gas undergoes the following four step process starting at Point A (100 kPa, 300K, 4 m³) A=> B Isothermal compression that quarters the volume (to 1 m³) ●

One kilogram on a diatomic ideal gas undergoes the following four step process starting at Point A (100 kPa, 300K, 4 m³) A=> B Isothermal compression that quarters the volume (to 1 m³) ●

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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Problem 1 and 2 please If you can’t answer two , answer at least problem no 2
**Problem 1** One kilogram of a *diatomic ideal gas* undergoes the following four-step process starting at Point A (100 kPa, 300K, 4 m³): - **A => B**: Isothermal compression that quarters the volume (to 1 m³). - **B => C**: Isobaric expansion that triples the temperature (to 900K). - **C => D**: Adiabatic expansion to the original volume (to 4 m³). - **D => A**: Isochoric process to the original pressure (to 100 kPa). Tasks: (a) Determine P, V, and T for all points. (b) Calculate ΔU, Q, W, ΔH, and ΔS for each leg of the cycle. (c) Determine the efficiency of this cycle. (d) Sketch a P-V diagram and T-S diagram, indicating P, V, T, and the values of ΔU, Q, W, ΔH, and ΔS for each leg. **Problem 2** Repeat Problem 1 for a *monoatomic ideal gas*. Compare the thermal efficiency of a monoatomic ideal gas to the thermal efficiency of a diatomic ideal gas for this same cycle.
Transcribed Image Text:**Problem 1** One kilogram of a *diatomic ideal gas* undergoes the following four-step process starting at Point A (100 kPa, 300K, 4 m³): - **A => B**: Isothermal compression that quarters the volume (to 1 m³). - **B => C**: Isobaric expansion that triples the temperature (to 900K). - **C => D**: Adiabatic expansion to the original volume (to 4 m³). - **D => A**: Isochoric process to the original pressure (to 100 kPa). Tasks: (a) Determine P, V, and T for all points. (b) Calculate ΔU, Q, W, ΔH, and ΔS for each leg of the cycle. (c) Determine the efficiency of this cycle. (d) Sketch a P-V diagram and T-S diagram, indicating P, V, T, and the values of ΔU, Q, W, ΔH, and ΔS for each leg. **Problem 2** Repeat Problem 1 for a *monoatomic ideal gas*. Compare the thermal efficiency of a monoatomic ideal gas to the thermal efficiency of a diatomic ideal gas for this same cycle.
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