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.

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
AS < 0
1.0
g of ammonium bromide
AS = 0
The ammonium bromide is dissolved
(NH Br) and 2.0 L of pure water
4
in the water.
AS > 0
at 45 °C.
not enough
information
AS < 0
A solution made of ammonium
AS = 0
bromide (NHBr) in water, at
50. mL of pure water is added to
the solution.
AS > 0
45°C.
not enough
information
AS < 0
A mixture of oxygen (O,) gas and
An additional 2.0 L of pure
Kr
AS = 0
gas
is added to the mixture, with the
krypton (Kr) gas at 1 atm and
17°C.
AS > 0
pressure kept constant at 1 atm,
not enough
information
Olo
O O O
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 1.0 g of ammonium bromide AS = 0 The ammonium bromide is dissolved (NH Br) and 2.0 L of pure water 4 in the water. AS > 0 at 45 °C. not enough information AS < 0 A solution made of ammonium AS = 0 bromide (NHBr) in water, at 50. mL of pure water is added to the solution. AS > 0 45°C. not enough information AS < 0 A mixture of oxygen (O,) gas and An additional 2.0 L of pure Kr AS = 0 gas is added to the mixture, with the krypton (Kr) gas at 1 atm and 17°C. AS > 0 pressure kept constant at 1 atm, not enough information Olo O O O
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