(a)
Interpretation:
The effect of increasing the concentration of
Concept Introduction:
Rate law or rate equation: The relationship between the reactant concentrations and reaction rate is expressed by an equation.
Order of a reaction: The order of a reaction with respect to a particular reactant is the exponent of its concentration term in the rate law expression, and the overall reaction order is the sum of the exponents on all concentration terms.
Rate constant, k: It is a proportionality constant that relates rate and concentration at a given temperature.
(b)
Interpretation:
The effect of adding a catalyst on the rate constant and the overall reaction rate has to be determined. The rate law for the reaction is given below.
Concept Introduction:
Properties of catalysts:
Catalysts provide a lower energy pathway by decreasing activation energy. They are not consumed by the reaction. They do not change the final amounts of reactants and products produced.
(c)
Interpretation:
The effect of decreasing the concentration
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The effect of decreasing the temperature on the rate constant and the overall reaction rate has to be determined. The rate law for the reaction is given below.
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