Consider the following system at equilibrium where delta Ho = -87.9 kJ, and Kc =

Question

Consider the following system at equilibrium where delta Ho = -87.9 kJ, and Kc = 83.3, at 500 K: PCI3(g) + CI2(g) rightarrow PCI5(g) If the TEMPERATURE on the equilibrium system is suddenly increased: The value of Kc Increases Decreases Remains the same The value of Q Is greater than K Is equal to K Is less than K The reaction must : Run in the forward direction to restablish equilibrium. Run in the reverse direction to restablish equilibrium. Remain the same. Already at equilibrium. The concentration of Cl2 will: Increase. Decrease. Remain the same

Explanation / Answer

b. decrease because it is an exothermic reaction a. is greater than K b.run in the reverse direction to restablish equilibrium a. increase

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