Question

Chemical reactions that release energy
A. will not occur.

B. need catalysts to occur.

C. will always explode.

D. often occur spontaneously.

Answer 1

Choice D will be the anwser, There are different typer of chemical reactions. Some chemical reactions release energy that includes like the hydrogen or necluar bomb, or the launching of the space shuttle. And some release energy without any explosion, like our body. Our body cells (in the Mitochondria) creates energy (ATP) for our body to survive and to make us do certain things. Our cell has the capacity to control these chemical reactions.

Answer 2

Thank you!:)