For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS AS < 0 20. L of pure helium (He) gas and 20.0 L of pure argon (Ar) gas, O AS = 0 The gases are mixed, with the pressure kept constant at 5 atm, O AS > 0 both at 5 atm and -3°C. O not enough information AS < 0 300 mL of a solution made from 0.5 g of NH,Br crystallizes out of O AS = 0 ammonium bromide (NHB1) the solution, without changing the temperature. O AS > 0 dissolved in water. not enough information

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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For each system listed in the first column of the table below, decide (if possible) whether the change described in the
second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough
information to decide, check the "not enough information" button in the last column.
Note for advanced students: you may assume ideal gas and ideal solution behaviour.
System
Change
AS
AS < 0
20. L of pure helium (He) gas and
20.0 L of pure argon (Ar) gas,
AS = 0
The gases are mixed, with the
pressure kept constant at
5
atm,
AS > 0
both at 5 atm and -3°C.
not enough
information
AS < 0
300 mL of a solution made from
0.5 g of NH Br crystallizes out of
AS = 0
4
ammonium bromide (NHB.)
the solution, without changing the
temperature.
AS > 0
dissolved in water.
not enough
information
Transcribed Image Text:For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS AS < 0 20. L of pure helium (He) gas and 20.0 L of pure argon (Ar) gas, AS = 0 The gases are mixed, with the pressure kept constant at 5 atm, AS > 0 both at 5 atm and -3°C. not enough information AS < 0 300 mL of a solution made from 0.5 g of NH Br crystallizes out of AS = 0 4 ammonium bromide (NHB.) the solution, without changing the temperature. AS > 0 dissolved in water. not enough information
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