PCl3(g) + Cl2(g) -> PCl5(g)       Kc = 0.11 A 0.60 mol sample of PCl3(g) and 0.70 mol sample of Cl2(g) are placed in a previously evacuated 1.0 L rigid container, and the reaction represented above takes place. At equilibrium, the concentration of PCl5(g) in the container is 0.040 M. (c) On the graph above, carefully draw three curves, one for each of the three gases. The curves must show how the concentration of each of the three gases changes as equilibrium is established. Label each curve with the formula of the gas. (d) Explain how the slopes of the curves at equilibrium can be used to show that the rates of the forward and reverse reactions are the same at equilibrium. (e) As the reaction occurs at constant temperature, does the pressure inside the container increase, decrease, or remain the same? Explain.

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PCl3(g) + Cl2(g) -> PCl5(g)       K= 0.11

A 0.60 mol sample of PCl3(g) and 0.70 mol sample of Cl2(g) are placed in a previously evacuated 1.0 L rigid container, and the reaction represented above takes place. At equilibrium, the concentration of PCl5(g) in the container is 0.040 M.

(c) On the graph above, carefully draw three curves, one for each of the three gases. The curves must show how the concentration of each of the three gases changes as equilibrium is established. Label each curve with the formula of the gas.

(d) Explain how the slopes of the curves at equilibrium can be used to show that the rates of the forward and reverse reactions are the same at equilibrium.

(e) As the reaction occurs at constant temperature, does the pressure inside the container increase, decrease, or remain the same? Explain.

Another mixture of PCl3(g), Cl2(g), and PCl5(g) is at equilibrium at a different temperature in a different vessel. The system at equilibrium is represented by the following box on the left. Then the volume of the vessel is decreased. The box in the middle represents the system before equilibrium is reestablished at the same temperature.

(f) In the box above on the right, draw an appropriate number of each type of molecule to represent a possible new equilibrium.

32 of
Another mixture of PCI3 (g), Cl2 (g), and PCl; (g) is at equilibrium at a different temperature in a different vessel. The system at equilibrium is represented by the following box on the left. Then
the volume of the vessel is decreased. The box in the middle represents the system before equilibrium is reestablished at the same temperature.
Legend
= PCI3
0 = Cl2
%3D
= PCI5
%3D
8.
New
Equilibrium
(f) In the box above on the right, draw an appropriate number of each type of molecule to represent a possible new equilibrium.
Original
Equilibrium
Immediately After
Volume Change
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Transcribed Image Text:32 of Another mixture of PCI3 (g), Cl2 (g), and PCl; (g) is at equilibrium at a different temperature in a different vessel. The system at equilibrium is represented by the following box on the left. Then the volume of the vessel is decreased. The box in the middle represents the system before equilibrium is reestablished at the same temperature. Legend = PCI3 0 = Cl2 %3D = PCI5 %3D 8. New Equilibrium (f) In the box above on the right, draw an appropriate number of each type of molecule to represent a possible new equilibrium. Original Equilibrium Immediately After Volume Change 国 EXTD 2 8: acer % 田 !! !! %24
A 0.60 mol sample of PCI3 (g) and a 0.70 mol sample of Cl2 (g) are placed in a previously evacuated 1.0 L rigid container, and the reaction represented above takes place. At equilibrium, the
concentration of PCl; (g) in the container is 0.040 M.
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
Time
(c) On the graph above, carefully draw three curves, one for each of the three gases. The curves must show how the concentration of each of the three gases changes as equilibrium is established.
Label each curve with the formula of the gas.
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Concentration (M)
Transcribed Image Text:A 0.60 mol sample of PCI3 (g) and a 0.70 mol sample of Cl2 (g) are placed in a previously evacuated 1.0 L rigid container, and the reaction represented above takes place. At equilibrium, the concentration of PCl; (g) in the container is 0.040 M. 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 Time (c) On the graph above, carefully draw three curves, one for each of the three gases. The curves must show how the concentration of each of the three gases changes as equilibrium is established. Label each curve with the formula of the gas. 国 EXTD 回 8:2- acer @ & 田 %24 Concentration (M)
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