Question

Which energy transformation occurs in an exothermic reaction?

There is a net flow of energy from the surroundings into the system
There is a net flow of energy from the system out to the surroundings
Energy from the surrounding is stored in the chemical bonds of the products
Energy from the chemical bonds of the reactants is released to the surroundings

Answer 1

In an exothermic reaction, the correct statement is:

**Energy from the chemical bonds of the reactants is released to the surroundings.**

In exothermic reactions, the energy stored in the chemical bonds of the reactants is converted into thermal energy (heat) and released to the surroundings, resulting in a net release of energy.