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 nitrogen (N2) gas, pressure kept constant at 4 atm. AS > 0 both at 4 atm and -16°C. not enough information AS < 0 300 mL of a solution made from 0.5 g of NH,Br crystallizes out of O AS = 0 ammonium bromide (NH,Br) the solution, without changing the temperature. O AS > 0 dissolved in water. not enough information

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 nitrogen (N2) gas, pressure kept constant at 4 atm. AS > 0 both at 4 atm and -16°C. not enough information AS < 0 300 mL of a solution made from 0.5 g of NH,Br crystallizes out of O AS = 0 ammonium bromide (NH,Br) the solution, without changing the temperature. O AS > 0 dissolved in water. not enough information

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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