An automobile airbag produces N2(g) based on the reaction:
2 NaN₃(s) ----> 2 Na(l) + 3 N₂(g)
If 3.25 g of NaN₃(s) reacts to fill an air bag, how much P-V work (in J) will the N₂(g) (the system) do against an external pressure of 0.99 atm (the surroundings) given that the density of N₂(g) is 1.15 g L-1 at 21 °C?
Note 1 atm L = 101.325 J.
