If enthalpy changes occur without changes in volume, it implies that all enthalpy changes are connected to the heat released or produced during the reaction. As the reaction progresses, it can either ...

Enthalpy; Definition, Importance And Applications: This article will talk about Enthalpy and its definition, importance and applications. Students can get a basic understanding of Enthalpy.

Energy changes occur in chemical reactions as bonds are broken and new bonds formed. Enthalpy changes can be calculated from experimental data, and are independent of the route taken (Hess's Law).