At 25 °C, the decomposition of dinitrogen pentoxide, N205 (g), into NO2 (g) and O2 (g) follows first-order kinetics with k=3.4x10-5 s-1. A sample of N2O5 with an initial pressure of 760 torr decomposes at 25 °C until its partial pressure is 650 torr. How much time (in seconds) has elapsed?

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At 25 °C, the decomposition of dinitrogen
pentoxide, N2O5 (g), into NO2 (g) and O2 (g)
follows first-order kinetics with k=3.4×10-5 s-1. A
sample of N2O5 with an initial pressure of 760
torr decomposes at 25 °C until its partial pressure
is 650 torr. How much time (in seconds) has
elapsed?
Transcribed Image Text:At 25 °C, the decomposition of dinitrogen pentoxide, N2O5 (g), into NO2 (g) and O2 (g) follows first-order kinetics with k=3.4×10-5 s-1. A sample of N2O5 with an initial pressure of 760 torr decomposes at 25 °C until its partial pressure is 650 torr. How much time (in seconds) has elapsed?
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