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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: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter13: Chemical Kinetics
Section: Chapter Questions
Problem 13.57QE: The decomposition of ozone is a second-order reaction with a rate constant of 30.6 atm1 s1 at 95 C....
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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 has the correct number of significant digits. 1 0
Transcribed Image Text: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 has the correct number of significant digits. 1 0
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