Automobile Airbags Inflate During a Crash Due to the Rapid $\rightarrow$

question 19

Multiple Choice

Automobile airbags inflate during a crash due to the rapid generation of nitrogen gas from the decomposition of sodium azide.
2NaN₃(s) $\rightarrow$ 2Na(s) + 3N₂(g)
How many grams of sodium azide are needed to produce enough nitrogen gas to fill a 60 cm * 60 cm * 30 cm air bag to a pressure of 1.25 atm at a temperature of 20^oC?

• A) 157 g
• B) 243 g
• C) 365 g
• D) 548 g
• E) 65.7 g

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