Light of wavelengths shorter than 275 nm can be used to photodissociate the hydrogen molecule into hydrogen atoms in the gas phase. A 80.0 mL glass cylinder contains H2(g) at 30.0 mtorr and 25 degree C. What minimum amount of light energy must be absorbed by the hydrogen in the tube to dissociate 56.0% of the molecule?

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter5: Electrons In The Atom
Section: Chapter Questions
Problem 57A
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Light of wavelengths shorter than 275 nm can be used to photodissociate the hydrogen molecule into hydrogen atoms in the gas phase. A 80.0 mL glass cylinder contains H2(g) at 30.0 mtorr and 25 degree C. What minimum amount of light energy must be absorbed by the hydrogen in the tube to dissociate 56.0% of the molecule?

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