A reaction could be spontaneous at a certain temperature if the products have a lower free energy (an exergonic reaction) even if the enthalpy of the products is higher because the change in entropic energy overcomes an opposite change in enthalpic energy.
A reaction could be spontaneous at a certain temperature. The enthalpy of the products is higher. The change in entropic energy overcomes an opposite change in enthalpic energy. The products have a lower free energy (an exergonic reaction).