Answered: The decomposition of phosphine, PH3, is…

The decomposition of phosphine, PH3, is a first-order reaction. 4 PH3(g) → P4(g) + 6 H2(g) The half-life for the reaction is 100 seconds. What percentage of phosphine remains after 275 seconds?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 40QRT

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Question

The decomposition of phosphine, PH3, is a first-order reaction. 4 PH3(g) → P4(g) + 6 H2(g) The half-life for the reaction is 100 seconds. What percentage of phosphine remains after 275 seconds?

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