21. At 250°C, the equilibrium constant K, for the reaction PCIS(g) –> PC13(g) + Ch(g) is 1.80. Sufficient PCI5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250°C. Calculate the pressure of PCI5 after the system has reached equilibrium. A. 1.50 atm B. 1.24 atm C. 4.24 atm D. 0.94 atm E. 1.12 atm

21. At 250°C, the equilibrium constant K, for the reaction PCIS(g) –> PC13(g) + Ch(g) is 1.80. Sufficient PCI5 is put into a reaction vessel to give an initial pressure of 2.74 atm at 250°C. Calculate the pressure of PCI5 after the system has reached equilibrium. A. 1.50 atm B. 1.24 atm C. 4.24 atm D. 0.94 atm E. 1.12 atm

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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