For the gas phase decomposition of phosphine at 120 °C4 PH3(g) →→→→P4(g) + 6 H₂(g)the following data have been obtained:[PH3], Mtime, s8.86x10-²5.55x10-²26.03.47x10-252.02.18x10-278.0The average rate of disappearance of PH3 over the time period from t = 52.0 s to t = 78.0 s isM s-¹.

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4 PH3(g)→→P4(g) + 6 H₂(g) the following data have been obtained: [PH3], M time, s 8.86x10-2 5.55x10-² 0 26.0 3.47x10-2 2.18x10-2 78.0 52.0 The average rate of disappearance of PH3 over the time period from t = 52.0 s to t = 78.0 s is M s-¹.

4 PH3(g)→→P4(g) + 6 H₂(g) the following data have been obtained: [PH3], M time, s 8.86x10-2 5.55x10-² 0 26.0 3.47x10-2 2.18x10-2 78.0 52.0 The average rate of disappearance of PH3 over the time period from t = 52.0 s to t = 78.0 s is M s-¹.

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

For the gas phase decomposition of phosphine at 120 °C
4 PH3(g) →→→→P4(g) + 6 H₂(g)
the following data have been obtained:
[PH3], M
time, s
8.86x10-²
5.55x10-²
26.0
3.47x10-2
52.0
2.18x10-2
78.0
The average rate of disappearance of PH3 over the time period from t = 52.0 s to t = 78.0 s is
M s-¹.

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