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Consider the following system at equilibrium where H° = 198 kJ, and Kc = 2.90×10-2, at...

Consider the following system at equilibrium where H° = 198 kJ, and Kc = 2.90×10-2, at 1150 K: 2SO3(g) 2SO2(g) + O2(g) If the TEMPERATURE on the equilibrium system is suddenly decreased: The value of Kc A. Increases B. Decreases C. Remains the same The value of Qc A. Is greater than Kc B. Is equal to Kc C. Is less than Kc The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same. Already at equilibrium. The concentration of O2 will: A. Increase. B. Decrease. C. Remain the same.

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