Predicting qualitatively how entropy changes with mixing and separation 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 A mixture of oxygen (O2) gas and An additional 2.0 L of He pure AS = 0 gas helium (He) gas at 5 atm and 25°C. is added to the mixture, with the pressure kept constant at 5 atm. AS > 0 1.0 g of ammonium chloride (NH4Cl) and 2.0 L of pure water at 36 °C. not enough information AS < 0 AS = 0 The ammonium chloride is dissolved in the water. AS > O not enough information AS < 0 A solution made of ammonium AS = 0 chloride (NH4Cl) in water, at 50. mL of pure water is added to the solution. AS > O 36°C. not enough information ? 18 Ar 日。
Predicting qualitatively how entropy changes with mixing and separation 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 A mixture of oxygen (O2) gas and An additional 2.0 L of He pure AS = 0 gas helium (He) gas at 5 atm and 25°C. is added to the mixture, with the pressure kept constant at 5 atm. AS > 0 1.0 g of ammonium chloride (NH4Cl) and 2.0 L of pure water at 36 °C. not enough information AS < 0 AS = 0 The ammonium chloride is dissolved in the water. AS > O not enough information AS < 0 A solution made of ammonium AS = 0 chloride (NH4Cl) in water, at 50. mL of pure water is added to the solution. AS > O 36°C. not enough information ? 18 Ar 日。
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter6: Equilibria In Single-component Systems
Section: Chapter Questions
Problem 6.55E
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Transcribed Image Text:Predicting qualitatively how entropy changes with mixing and separation
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
A mixture of oxygen (O2) gas and
An additional 2.0 L of
He
pure
AS = 0
gas
helium (He) gas at 5 atm and
25°C.
is added to the mixture, with the
pressure kept constant at 5 atm.
AS > 0
1.0 g of ammonium chloride
(NH4Cl) and 2.0 L of pure water
at 36 °C.
not enough
information
AS < 0
AS = 0
The ammonium chloride is dissolved
in the water.
AS > O
not enough
information
AS < 0
A solution made of ammonium
AS = 0
chloride (NH4Cl) in water, at
50. mL of pure water is added to
the solution.
AS > O
36°C.
not enough
information
?
18
Ar
日。
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