The thermal decomposition of phosphine PH3 into phosphorus and molecular hydrogen is a first-order reaction: →4PH3g + P4g 6H2g The half-life of the reaction is 29.7s at 680°C Calculate the first-order rate constant for the reaction. Be sure your answer has the correct number of significant digits. Calculate the time required for 76.0percent of the phosphine to decompose. Be sure your answer ha the correct number of significant digits.

The thermal decomposition of phosphine PH3 into phosphorus and molecular hydrogen is a first-order reaction: →4PH3g + P4g 6H2g The half-life of the reaction is 29.7s at 680°C Calculate the first-order rate constant for the reaction. Be sure your answer has the correct number of significant digits. Calculate the time required for 76.0percent of the phosphine to decompose. Be sure your answer ha the correct number of significant digits.

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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