At 25 degrees C, the half-life for the first order decomposition of N2O5 (g) is 4.00 min.

N2O5 (g) - 2 NO2 (g) + 1/2 O2 (g)

If 1.00 g of N2O5 is introduced into an evacuated 15-L flask at 25 degrees C,

a. What is the initial partial pressure, in mm Hg, of N2O5 (g)?

Question

At 25  degrees C, the half-life for the first order decomposition of N2O5 (g) is 4.00 min.  

N2O5 (g) ->  2 NO2 (g) + 1/2 O2 (g)
   
 If 1.00 g of N2O5  is introduced into an evacuated 15-L flask at 25 degrees C, 
 
a. What is the initial partial pressure, in mm Hg, of N2O5 (g)?

anonymous · Answer

Anyone want to just start me of as to how I would go about doing this?