The Equilibrium Constant K_c Is Equal to 5

question 50

Multiple Choice

The equilibrium constant K_c is equal to 5.00 L at 1300 K for the reaction:
2 SO₂(g) + O₂(g) ⇌ 2 SO₃(g)
If initial concentrations are [SO₂] = 6.00 mol L^-1,[O₂] = 0.45 mol L^-1,and [SO₃] = 9.00 mol L^-1,the system is:

• A)at equilibrium
• B)not at equilibrium and will remain in an unequilibrated state
• C)not at equilibrium and will shift to the left to achieve an equilibrium state
• D)not at equilibrium and will shift to the right to achieve an equilibrium state

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