3. The decomposition of nitric oxide (V) in a closed system 2N205(r) → 2N204(r) 02(g) proceeds with a rate constant equal to 7.9*10-7 s-1. The initial pressure of nitric oxide (V) was 2.5 atm. Calculate the time it takes for the pressure in the system to rise to 2.8 atm.

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