Question

Aanlyze the potential energy diagram of the reaction shown.



Which statements about the reaction are true? Select all that apply.

The reaction is exothermic

The reaction is endothermic

The equation shows that 891 kJ of energy are released as a product.

The equation shows that 891 kJ of energy are absorbed as a reactant.

The graph shows that the reactants have greater potential energy than the products.

Answer 1

True:
- The reaction is exothermic.
- The equation shows that 891 kJ of energy are released.
- The graph shows that the reactants have greater potential energy than the products.

False:
- The reaction is endothermic.
- The equation shows that 891 kJ of energy are absorbed.

Reason: the products lie at lower potential energy than the reactants (ΔH is negative), so 891 kJ is released to the surroundings (not absorbed).