(a) Determine the equilibrium constant, Kc, for the reaction. (b) At time t, 0.0200 mole of Cl(g) is injected into the constant volume vessel. The system achieve a new state of equilibrium at time t2. (i) Calculate the equilibrium concentration of each gas at time t2. (ii) Sketch on the graph to show the changes in concentrations of PCIS(g) and Cl2(g).

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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3.
Consider the decomposition of PCI5(g):
PCIS(g) 2 PCI:(g) + Cl2(g)
2.00 moles of PCI:(g) are injected into a 1.00 dm3 flask and the system is allowed to reach equilibrium.
The temperature of the flask is kept constant. The following figure shows the changes in the
concentrations of PCIS(g) and Cl2(g).
0.200-
0.180-
0.160-
0.140-
0.120-
0.100-
0.0800-
0.0600-
0.0400-
0.0200-
Time
(a) Determine the equilibrium constant, Ke, for the reaction.
(b) At time ti, 0.0200 mole of Clz(g) is injected into the constant volume vessel. The system adjusts to
achieve a new state of equilibrium at time t2.
(i) Calculate the equilibrium concentration of each gas at time t2.
(ii) Sketch on the graph to show the changes in concentrations of PCIS(g) and Cl2(g).
Concentration (mol dm )
Transcribed Image Text:3. Consider the decomposition of PCI5(g): PCIS(g) 2 PCI:(g) + Cl2(g) 2.00 moles of PCI:(g) are injected into a 1.00 dm3 flask and the system is allowed to reach equilibrium. The temperature of the flask is kept constant. The following figure shows the changes in the concentrations of PCIS(g) and Cl2(g). 0.200- 0.180- 0.160- 0.140- 0.120- 0.100- 0.0800- 0.0600- 0.0400- 0.0200- Time (a) Determine the equilibrium constant, Ke, for the reaction. (b) At time ti, 0.0200 mole of Clz(g) is injected into the constant volume vessel. The system adjusts to achieve a new state of equilibrium at time t2. (i) Calculate the equilibrium concentration of each gas at time t2. (ii) Sketch on the graph to show the changes in concentrations of PCIS(g) and Cl2(g). Concentration (mol dm )
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