In a study of the gas phase decomposition of phosphine at 120 °C PH3(g)→1/4 P(g) + 3/2 H2(g) the concentration of PH3 was followed as a function of time. It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.38×102s and a y-intercept of -2.47. Based on this plot, the reaction is order in PH3 and the rate constant for the reaction is

In a study of the gas phase decomposition of phosphine at 120 °C PH3(g)→1/4 P(g) + 3/2 H2(g) the concentration of PH3 was followed as a function of time. It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.38×102s and a y-intercept of -2.47. Based on this plot, the reaction is order in PH3 and the rate constant for the reaction is

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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Question

In a study of the gas phase decomposition of phosphine at 120 °C
PH3(g)1/4 P(g) + 3/2 H2(g)
the concentration of PH3 was followed as a function of time.
It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.38×102s and a
y-intercept of -2,47.
Based on this plot, the reaction is
order in PH3 and the rate constant for the reaction is

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