Why do you think it is important to be able to know the factors that can change the rate of a chemical reaction? What are situations that controlling the rate of a chemical reaction could be important?

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

i have no clue hope you find the answer

answer carbon and three oxygen atoms;