What is a common chemical reaction used in gas generation systems for airbags?

The correct answer highlights the rapid chemical reaction that produces nitrogen as a key component in gas generation systems for airbags. In an airbag deployment system, a specific reaction occurs that generates a large volume of gas in a very short time frame, which is essential for the effective inflation of the airbag upon impact.

This nitrogen gas is typically produced through the reaction of sodium azide and other additives. When triggered, this reaction transforms solid materials into nitrogen gas and other non-toxic products, rapidly filling the airbag with gas and ensuring that it deploys quickly to protect the occupants of the vehicle. The speed and efficiency of this reaction are crucial since airbags must inflate in milliseconds to be effective during a collision.

The other reactions presented, while interesting, do not accurately represent the process used in airbags. The combustion of ethanol, the oxidation of natural gas, and the decomposition of carbon compounds involve different chemical processes that either do not produce the requisite gas in the necessary quantity or time frame or are not utilized in the context of airbag deployment.