A sealed 1.00 L flask is charged with 0.500 mol of I₂ and 0.500 mol of Br₂. An equilibrium reaction ensues:

I₂ (g) + Br₂ (g) ⇌ 2 IBr (g)

When the container contents achieve equilibrium, the flask contains 0.84 mol of IBr.

The value of K_c is ________.

For the equilibrium below, K = 0.112 at 700.0 °C. 

For the reaction graph below, which letter corresponds to the reaction at chemical equilibrium?

Which observation provides evidence that temperature changed the equilibrium position?

Which description best matches the change when nitric acid was added to the solution from test tube 3?

Select the correct net ionic equation for the reaction between benzoate ions and added acid.

In which test tube was benzoic acid expected to be most soluble?

What is the most appropriate description of the immediate change when carbon dioxide is bubbled through calcium hydroxide solution (Step 4)?

Which equation best represents the overall equilibrium when excess carbon dioxide causes calcium carbonate to dissolve?

When carbon dioxide dissolved in water containing universal indicator, which description best matches the observed change?