15. Chemical Kinetics

Rate Law

Multiple Choice
Which of the following best describes a partial reaction order in a rate law?
Multiple Choice
A plot of ln[A] versus time yields a straight line with slope -0.0045/s. What is the value of the rate constant (k) for this reaction at this temperature, and what is the rate law for the reaction?
Multiple Choice
Given the following chemical reaction, A → B. If the concentration of A is doubled the rate increases by a factor of 2.83, what is the order of the reaction with respect to A.
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Open Question
If a rate law is second order (reactant), doubling the reactant ________ the reaction rate.
Open Question
Consider the rate law. Rate = k[A]^x. Determine the value of x if the rate doubles when [A] is doubled.
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Multiple Choice
What is the rate law for the reaction A → B if the rate constant, k, is 0.25 M⁻¹ s⁻¹ at 75 °C?
Multiple Choice
What is the rate law for the given mechanism in terms of the overall rate constant k, where Step 1 is fast and Step 2 is slow?
Open Question
Using the data in the table, determine the rate constant of the reaction and select the appropriate units. a+2b⟶c+d
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Multiple Choice
In the reaction 3 BrO-(aq) → BrO3-(aq) + 2 Br-(aq), a plot of 1/[BrO-] vs. time is linear. What is the order of the reaction with respect to BrO-?
Multiple Choice
What is the rate law for the elementary reaction: Cl(g) + Cl(g) + N2(g) → Cl2(g) + N2(g)?
Multiple Choice
Using the figure, calculate the value of the rate constant, k, for the reaction. Express your answer using two significant figures.
Open Question
What is the rate law for the reaction A → B if the rate constant, k, is 0.25 m^-1 s^-1 at 75 °C?
Open Question
According to this data, what is the order of the reaction in OH^-, to the nearest whole number?
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Open Question
Consider the rate constants below. Which would correspond to the highest order reaction?
Open Question
Determine the rate law for each elementary step. drag the symbols into the equations as needed.
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