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Ch.14 - Chemical Kinetics
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All textbooksBrown 15th EditionCh.14 - Chemical KineticsProblem 8a

Chapter 14, Problem 8a

Which of the following linear plots do you expect for a reaction A⟶products if the kinetics are a. zero order, [Section 14.3]

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Hello everyone today. We have the following problem for the hypothetical second order reaction X to Y. Which of these graphs is valid? So the second order integrated rate law is one over the concentration sub time as you could to constant K times the time plus one over concentration sub zero. And if we compare that with a straight line equation, so if we say versus our regular slope line mx plus B, we note that Y is equal to r one over a sub, T r M is equal to K. R X is equal to T and r B is equal to one over our concentration sub zero. And so the graph of one over X against time should be a straight line, so it should be a straight line with a positive slope. Also the Y intercept will be equal to one over concentration sub zero. And so out of all of the graphs, graphs B has a straight line for the slope and the why intercept is equal to one over X sub zero. And with that we've answered the question. I hope this helped. And until next time.
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Related Practice
Textbook Question

Suppose that for the reaction K+L⟶M, you monitor the production of M over time, and then plot the following graph from your data: b. Is the reaction completed at 𝑡=15 min?

Textbook Question

The following diagrams represent mixtures of NO(g) and O2(𝑔). These two substances react as follows:

2 NO(𝑔)+O2(𝑔)⟶2 NO2(𝑔)

It has been determined experimentally that the rate is second order in NO and first order in O2. Based on this fact, which of the following mixtures will have the fastest initial rate? [Section 14.2]

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Given the following diagrams at 𝑡=0 min and 𝑡=30 min, b. After four half-life periods for a first-order reaction, what fraction of reactant remains? [Section 14.3]

Textbook Question

The accompanying graph shows plots of ln k versus 1>T for two different reactions. The plots have been extrapolated to the y-intercepts. Which reaction (red or blue) has (a) the larger value for Ea,

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The accompanying graph shows plots of ln k versus 1/𝑇 for two different reactions. The plots have been extrapolated to the y-intercepts. Which reaction (red or blue) has b. the larger value for the frequency factor, A? [Section 14.4]

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The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Is each of the following statements true or false? (b) For both paths, the rate of the reverse reaction is slower than the rate of the forward reaction.

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