Question 3 (1 point)

Question

Which statement explains why there is a change in energy during a chemical reaction?



a
Chemical bonds are formed and broken, which releases energy.
b
Energy is released when bonds are broken, and energy is absorbed when bonds are formed.
c
Chemical bonds are formed and broken, which absorbs energy.
d
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.

Answer 1

b
Energy is released when bonds are broken, and energy is absorbed when bonds are formed.