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At a certain temperature, Kc = 0.18 for the following reaction:PCl3 (g) + Cl2 (g) PCl5 (g)Suppose a reaction vessel at this temperature contained these three gases at the following concentrations:[PCl3] = 0.420 M, [Cl2] = 0.240 M, [PCl5] = 0.00500 M:(10a): Is the system in a state of equilibrium? Justify your answer with a calculation.(10b): If the system is not in equilibrium, which direction will the reaction proceed to reach equilibrium?

Question

At a certain temperature, Kc = 0.18 for the following reaction:
PCl3 (g) + Cl2 (g) PCl5 (g)
Suppose a reaction vessel at this temperature contained these three gases at the following concentrations:
[PCl3] = 0.420 M, [Cl2] = 0.240 M, [PCl5] = 0.00500 M:

(10a): Is the system in a state of equilibrium? Justify your answer with a calculation.
(10b): If the system is not in equilibrium, which direction will the reaction proceed to reach equilibrium?

check_circleAnswer
Step 1

Here, the concentration of three gas are given and in order to state whether the given system is in equilibrium or not, we have to calculate the value of reaction quotient (Q). If Q = Kc, then we can say that the given system is at equilibrium.

The value of Kc is given as 0.18

Step 2

For the given reaction and concentrations, ...

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Equilibrium Concepts

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