Answered: (a) An ideal gas undergoes an adiabatic…

(a) An ideal gas undergoes an adiabatic expansion into a vacuum. Are AS, ASsurrounding and AStotal positive, negative, or zero? Explain your reasoning

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter1: Gases And The Zeroth Law Of Thermodynamics

Section: Chapter Questions

Problem 1.65E: Determine an expression for V/T p, n in terms of and . Does the sign on the expression make sense...

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Question

(a) An ideal gas undergoes an adiabatic expansion into
a vacuum. Are AS, ASsurrounding and AStotal positive, negative,
or zero? Explain your reasoning.
(b) 2.25 moles of an ideal gas with Cv, m = 5R/2 are trans-
formed from an initial state T= 680. K and P= 1.15 bar to a
final state I'= 298 K and P= 4.75 bar. Calculate for this pro-
cess: AH & AS.

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