
Interpretation: The effect of addition of reactant in the reaction equilibrium needs to be explained.
Concept introduction: According to Le Chatelier's principle if any stress is given to the equilibrium, it will shift in a direction to reduce the given stress. If change in concentration, pressure or temperature takes place at equilibrium, it will shift in the direction to undo the change or its effect.

Answer to Problem 29A
Amount the product increases when reactant is added. The value of equilibrium constant does not change.
Explanation of Solution
Consider a hypothetical reaction:
Equilibrium constant for the reaction is given by the equation,
If we add a reactant (say
Amount the product increases when reactant is added. The value of equilibrium constant does not change.
Chapter 17 Solutions
World of Chemistry, 3rd edition
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