### Understanding Reaction Rates in Chemical KineticsThe rate of disappearance of HBr in the gas phase reaction is given by the equation:\[2HBr \, (g) \rightarrow H_2 \, (g) + Br_2 \, (g) \]According to the problem statement, the rate of disappearance of HBr at a temperature of 150°C is \(0.310 \, \text{M/sec}\). The task then is to determine the relative rate of appearance of \(Br_2 \).To find the relative rate of the appearance of \(Br_2\), we use the stoichiometry of the reaction. In the balanced chemical equation, you can see that:\[2 \, \text{mol of} \, HBr \, \text{produce 1 mol of} \, Br_2 \]This implies that the rate at which \(Br_2\) appears is half the rate at which \(HBr\) disappears:\[\text{Rate of appearance of } Br_2 = \frac{1}{2} \times \text{(Rate of disappearance of } HBr) \]Given that the rate of disappearance of HBr is \(0.310 \, \text{M/sec}\):\[\text{Rate of appearance of } Br_2 = \frac{1}{2} \times 0.310 \, \text{M/sec} = 0.155 \, \text{M/sec}\]Thus, the relative rate of appearance of \(Br_2\) is \(0.155 \, \text{M/sec}\).This fundamental understanding of reaction rates helps in various applications within chemical kinetics and is crucial for predicting the behavior of reactions over time.

The rate of the reaction is termed as the ratio of the change of the concentrations of the reactant…

Answered: The rate of disappearance of HBr in the…

The rate of disappearance of HBr in the gas phase reaction 2HBR (g) → H2 (g) + Br2 (g) is 0.310 M/sec at 150°C. The relative rate of appearance of Br, is M/s.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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