How would you calculate the difference in enthalpy?

(Biology)

Equation: (delta) G = (delta) H - T (delta) S

(delta) G stand for change in free energy. When it is positive, it is endergonic. When it is negative, it is exergonic.

H stands for bond energy and is enthalpy

T is the absolute temperature expressed in the Kelvin scale

S is entropy or disorder in the system