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 The seawater is passed through a reverse-osmosis filter, which separates it into 750. mL of pure O AS = 0 A liter of seawater at 15°C. O AS> 0 water and 250. mL of brine (very salty water). not enough information O AS < 0 O AS = 0 1.0 g of potassium iodide (KI) and The potassium iodide is dissolved in the water. 2.0 L of pure water at 79 °C. O AS > 0 not enough O information O AS <0 A mixture of carbon dioxide (CO,) An additional2.0 L of pure Ar gas is added to the mixture, with the O AS = 0 gas and argon (Ar) gas at 4 atm O AS > 0 and 47°C. pressure kept constant at 4 atm not enough O information O
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 The seawater is passed through a reverse-osmosis filter, which separates it into 750. mL of pure O AS = 0 A liter of seawater at 15°C. O AS> 0 water and 250. mL of brine (very salty water). not enough information O AS < 0 O AS = 0 1.0 g of potassium iodide (KI) and The potassium iodide is dissolved in the water. 2.0 L of pure water at 79 °C. O AS > 0 not enough O information O AS <0 A mixture of carbon dioxide (CO,) An additional2.0 L of pure Ar gas is added to the mixture, with the O AS = 0 gas and argon (Ar) gas at 4 atm O AS > 0 and 47°C. pressure kept constant at 4 atm not enough O information O
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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