Interpretation:
A concept map in which the effect of changes on system, reactants and products is shown according to Le-Chatelier’s principle is to be drawn.
Concept introduction:
According to Le-Chatelier’s principle, if a system at equilibrium experience any change then it responds in a way to cancel out that change.
Answer to Problem 17SSC
Explanation of Solution
The above diagram shows how addition of reactants or addition of products causes a shift in equilibrium in accordance to the Le-Chatelier’s principle.
- When there is any increase in concentration or pressure of reactants, equilibrium shifts in forward direction to cancel out the effect or to decrease the concentration or pressure of reactant.
- When there is any increase in concentration or pressure of products, equilibrium shifts in backward direction to cancel out the effect.
- At equilibrium, if increase in temperature takes place then the change depends on the type of the reaction.
For an endothermic reaction, increase in temperature shifts the equilibrium in forward direction. For an exothermic reaction, increase in temperature shifts the equilibrium in reverse direction.
Chapter 17 Solutions
Chemistry: Matter and Change
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