UO2 (s) + 4 HF (g) ↔ UF4 (g) + 2H2O (g) has already reached equilibrium.  Predict the effect that each of the following changes will have on the equilibrium position.  Tell whether the equilibrium will shift to the right, shift to the left, or will not be affected. Additional UO2 (s) is added to the system. The reaction is performed in a glass reaction vessel; HF (g) attacks and reacts with glass. Water vapor (H2O (g)) is removed.

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