Light of wavelengths shorter than 275 nm can be used to photodissociate the hydrogen molecule into hydrogen atoms in the gas phase. A 70.0 mL glass cylinder contains H,(g) at 65.0 mtorr and 25 °C. What minimum amount of light energy must be absorbed by the hydrogen in the tube to dissociate 26.0% of the molecules?

Chemistry
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Chapter1: Chemical Foundations
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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 70.0 mL glass cylinder contains H, (g) at 65.0 mtorr and 25 °C. What minimum amount of light energy must be
absorbed by the hydrogen in the tube to dissociate 26.0% of the molecules?
energy absorbed:
J
ТOOLS
x10
Transcribed Image Text:Light of wavelengths shorter than 275 nm can be used to photodissociate the hydrogen molecule into hydrogen atoms in the gas phase. A 70.0 mL glass cylinder contains H, (g) at 65.0 mtorr and 25 °C. What minimum amount of light energy must be absorbed by the hydrogen in the tube to dissociate 26.0% of the molecules? energy absorbed: J ТOOLS x10
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