Chapter 14: Chemical Kinetics, Due Feb 5 Chapter 14 Question 39 - Multiple Choice Part A Using the method of initial rates for the reaction A \rightarrow B, if the initial concentration of A is doubled and the rate of reaction quadruples, what is the order of reaction with respect to A? fourth zeroth first second
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Step 1: The rate of reaction is directly proportional to the concentration of reactants raised to the power of their respective orders in the rate law equation. Show more…
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Doubling the concentration of A doubled the rate, but changing [B] had no effect. Then it would be a first order reaction. If doubling the concentration of A doubled the rate and doubling [B] also doubled the rate, then it would be a third order reaction. If changing the concentration of any of the reactants had no effect on the rate, it would be a second order reaction. If the rate equation was rate = k [A] [B], it would be a zeroth order reaction.
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