3. At a certain point in time, a 1.00 L rigid reaction vessel contains 0.050 mol of PCl«@» 0.05 mol of Cl) and 0.075 mol of PCI5®)- PCI, (g) + Cl, (g) s PCI5 (g) K. = 4.2 a. Calculate the total initial pressure of the system (in atm) if K = 4.2 at 100. °C b. Which of the following describes how the measured pressure in the reaction vessel will change and why it will change the way that way as the reaction system approaches equilibrium at constant temperature? A) The total pressure will increase because Q. < K.. B) The total pressure will decrease because Q. < K.. C) The total pressure will increase because Q. > K̟. D) The total pressure will decrease because Q. > K.. く

3. At a certain point in time, a 1.00 L rigid reaction vessel contains 0.050 mol of PCl«@» 0.05 mol of Cl) and 0.075 mol of PCI5®)- PCI, (g) + Cl, (g) s PCI5 (g) K. = 4.2 a. Calculate the total initial pressure of the system (in atm) if K = 4.2 at 100. °C b. Which of the following describes how the measured pressure in the reaction vessel will change and why it will change the way that way as the reaction system approaches equilibrium at constant temperature? A) The total pressure will increase because Q. < K.. B) The total pressure will decrease because Q. < K.. C) The total pressure will increase because Q. > K̟. D) The total pressure will decrease because Q. > K.. く

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 97QRT

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Similar questions

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