Question

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. 4S change System The seavater is passed through aKo reverse-osmosis filter, which separates it into 750. mL of pure water and 250. mL of brine (very salty water) A liter of seawater at 15°C. o not enough information The solution is put into semipermeable bag immersed in the as S loas>。 A 0.35 M solution of sucrose in wate. .ndabeaker of pure water, both at 37. C I water. and 50 mL of pure water flows through the bag into the sucrose solution. o not enough information 20. L of pure xenon (Xe) gas and 200 L ol oure both at 3 atm and 19° C The gases are mixed, with the pressure kept constant at 3 atm. s 0 not anough informabion

Answer 1

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