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Question 1: (a) An ideal gas is expanded reversibly and ad- iabatically. Decide which of q, w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. K and an initial pressure of 3.10 bar to a final pressure of 1.00 bar, and Cp, m = 5R/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.

Question 1: (a) An ideal gas is expanded reversibly and ad- iabatically. Decide which of q, w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. K and an initial pressure of 3.10 bar to a final pressure of 1.00 bar, and Cp, m = 5R/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.

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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Question 1: (a) An ideal gas is expanded reversibly and ad- iabatically. Decide which of q, w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. K and an initial pressure of 3.10 bar to a final pressure of 1.00 bar, and CPp, m = 5R/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.
Transcribed Image Text:Question 1: (a) An ideal gas is expanded reversibly and ad- iabatically. Decide which of q, w, AU, and AH are pos- itive, negative, or zero. (b) A 1.25 mole sample of an ideal gas is expanded from 320. K and an initial pressure of 3.10 bar to a final pressure of 1.00 bar, and CPp, m = 5R/2. Calculate w for the following two cases: Condition: The expansion is isothermal and reversible.
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