When a Car Airbag Is Deployed, It Expands Because of Nitrogen

question 126

Short Answer

When a car airbag is deployed, it expands because of nitrogen gas generated by the rapid decomposition of sodium azide (NaN₃) according to the equation:
2 NaN3 (s) $\rightarrow$ 3 N₂ (g) +2 Na(s)
If an airbag contains 129 g of NaN₃, how many liters of nitrogen gas can be produced in the airbag when the pressure is 1.20 atm and the temperature is 23.0 $\degree$ C?

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