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 helium (He) gas and An additional 2.0 L of pure O, gas O AS = 0 oxygen (0,) gas at 4 atm and is added to the mixture, with the O AS > 0 27°C. pressure kept constant at atm. not enough information O AS <0 1.0 g of ammonium iodide (NH I) O AS = 0 The ammonium iodide is dissolved in the water. and 2.0 L of pure water at 87 °C. O AS > 0 not enough information O AS <0 A solution made of ammonium iodide O AS = 0 50. mL of pure water is added to (NH I) in water, at 87°C. O AS > 0 the solution. not enough information

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 121QRT
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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
O AS <0
A mixture of helium (He) gas and
An additional 2,0 L of pure O, gas
O AS = 0
oxygen (O,) gas at 4 atm and
is added to the mixture, with the
O AS > 0
27°C.
pressure kept constant at 4 atm.
not enough
O information
O AS <0
1.0 g of ammonium iodide (NH,I)
O AS = 0
The ammonium iodide is dissolved in
the water.
and 2,0
of pure water at 87 °C.
O AS > 0
not enough
information
O AS <0
O AS = 0
A solution made of ammonium iodide
50. mL of pure water is added to
(NH,1) in water, at 87°C.
O AS > 0
the solution.
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 O AS <0 A mixture of helium (He) gas and An additional 2,0 L of pure O, gas O AS = 0 oxygen (O,) gas at 4 atm and is added to the mixture, with the O AS > 0 27°C. pressure kept constant at 4 atm. not enough O information O AS <0 1.0 g of ammonium iodide (NH,I) O AS = 0 The ammonium iodide is dissolved in the water. and 2,0 of pure water at 87 °C. O AS > 0 not enough information O AS <0 O AS = 0 A solution made of ammonium iodide 50. mL of pure water is added to (NH,1) in water, at 87°C. O AS > 0 the solution. not enough information
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