Energy is released when new chemical bonds are formed ... For some bonds, the mean bond enthalpy is quoted. This is to give an average value to work from since the precise enthalpy value for ...

Van der Waals Equation. Condensation of gases. Principle of Corresponding States. Math Interlude Partial Differentiation. Thermodynamics First Law. Temperature. Enthalpy ... How G varies with T and P.

Hess’s Law states that the enthalpy change for a chemical reaction is independent of the route taken. This means that the enthalpy change for the overall process will be identical regardless of ...