Question

What happens during chemical reactions?

O A. The total amount of energy changes
O B. Total mass increases in the products
O C. Energy is given off or absorbed
O D. Atoms are changed into new elements

Answer 1

D. Atoms are changed into new elements.

Step-by-step explanation:

atoms rearrange to form one or more different substances.

Hope that helps!!!

Sorry if its worng :(

Answer 2

It's actually C. Energy is given off or absorbed.

Step-by-step explanation:

"All chemical reactions involve changes in energy. This may be a change in heat, electricity, light, or other forms of energy. Reactions that absorb energy are endothermic. Reactions that release energy are exothermic."

-LibreTexts Chemistry