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While testing the air bags in a car, engineers observed that the compressed air in the bags expanded on impact. Which of the following best justifies the type of changes taking place during the process?

1. Physical change because heat of combustion is a chemical property.
2. Chemical change because heat of combustion is a chemical property.
3. Physical change because compressibility is a physical property.
4.Chemical change because compressibility is a physical property.

Respuesta :

Answer:

. Physical change because compressibility is a physical property.

Explanation:

I took a test with this in it and this was right.

Answer:

C

Explanation:

the answer is c because compressibility is a physical property