Final answer:
A Keq value of 0.62 indicates reactants are favored over products at equilibrium, and this value remains constant unless temperature changes.
Step-by-step explanation:
When the Keq value of a reaction is calculated to be 0.62, this indicates the ratio of the concentrations of the products to reactants at equilibrium. The formula for Keq involves the concentrations of the substances present in the reaction raised to the power of their respective stoichiometric coefficients. A Keq value less than 1, like 0.62, suggests that, at equilibrium, reactants are favored over products. This equilibrium constant is not influenced by the initial concentrations but is dependent on temperature.
The key aspect is that once equilibrium has been reached, the value of Keq remains constant unless the temperature changes. No matter how the equilibrium is disturbed (following Le Chatelier's principle), the reaction will shift in the direction that re-establishes an equilibrium with the same Keq value.