Consider the following system at equilibrium where H° = 198 kJ/mol, and Kc = 2.

timer Asked: Jul 14th, 2015

Question description

Consider the following system at equilibrium where H° = 198 kJ/mol, and Kc =2.90E-2 , at 1150 K.

SO3 (g) SO2 (g) + O2 (g) 

When 0.30 moles of SO3 (g) are added to the equilibrium system at constant temperature:

the value of KcA. increases.
B. decreases.
C. remains the same.

the value of QcA. is greater than Kc.
B. is equal to Kc.
C. is less than Kc.

the reaction must:A. run in the forward direction to reestablish equilibrium.
B. run in the reverse direction to reestablish equilibrium.
C. remain the same. It is already at equilibrium.

the concentration of SO2 will:A. increase.
B. decrease.
C. remain the same.

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