The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first- order reaction: 4PH3(g)P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. Calculate the first-order rate constant for the reaction: -1 Calculate the time required for 95.0 percent of the phosphine to decompose:

The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first- order reaction: 4PH3(g)P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. Calculate the first-order rate constant for the reaction: -1 Calculate the time required for 95.0 percent of the phosphine to decompose:

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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