a)
Interpretation:
The effect of increasing the pressure by decreasing volume on the system has to be predicted.
Concept introduction:
Law of mass action: The rate of
Le-Chatelier’s principle: If an external stress is applied to a system at equilibrium, the system adjusts in such a way that the stress is partially offset as the system reaches a new equilibrium position.
b)
Interpretation:
The effect of adding oxygen on the system has to be predicted.
Concept introduction:
Law of mass action: The rate of chemical reaction is directly proportional to the product of concentrations of reactant to products.
Le-Chatelier’s principle: If an external stress is applied to a system at equilibrium, the system adjusts in such a way that the stress is partially offset as the system reaches a new equilibrium position.
c)
Interpretation:
The effect of decreasing temperature on the system has to be predicted.
Concept introduction:
Law of mass action: The rate of chemical reaction is directly proportional to the product of concentrations of reactant to products.
Le-Chatelier’s principle: If an external stress is applied to a system at equilibrium, the system adjusts in such a way that the stress is partially offset as the system reaches a new equilibrium position.
d)
Interpretation:
The effect of adding catalyst on the system has to be predicted.
Concept introduction:
Law of mass action: The rate of chemical reaction is directly proportional to the product of concentrations of reactant to products.
Le-Chatelier’s principle: If an external stress is applied to a system at equilibrium, the system adjusts in such a way that the stress is partially offset as the system reaches a new equilibrium position.
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General Chemistry, CHM 151/152, Marymount University
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