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
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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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
The seawater is passed through a
reverse-osmosis filter, which
AS = 0
A liter of seawater at 15°C.
separates it into 750. mL of
pure
AS > 0
water and 250. mL of brine (very
salty water).
not enough
information
AS < 0
20. L of pure oxygen (O,) gas and
AS = 0
The gases are mixed, with the
20.0 L of pure hydrogen (H2) gas,
pressure kept constant at 2 atm.
AS > 0
both at 2 atm and – 1°C.
not enough
information
AS < 0
300 mL of a solution made from
0.5 g of NH,Cl crystallizes out of
AS = 0
4
ammonium chloride (NH,CI)
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 The seawater is passed through a reverse-osmosis filter, which AS = 0 A liter of seawater at 15°C. separates it into 750. mL of pure AS > 0 water and 250. mL of brine (very salty water). not enough information AS < 0 20. L of pure oxygen (O,) gas and AS = 0 The gases are mixed, with the 20.0 L of pure hydrogen (H2) gas, pressure kept constant at 2 atm. AS > 0 both at 2 atm and – 1°C. not enough information AS < 0 300 mL of a solution made from 0.5 g of NH,Cl crystallizes out of AS = 0 4 ammonium chloride (NH,CI) the solution, without changing the temperature. AS > 0 dissolved in water. not enough information
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