Enthalpy

Real World Example

Imagine trying to gauge how cozy and inviting your living room feels when hosting friends. This feeling is influenced by both the warmth provided by your fireplace (internal energy) and the spaciousness created by the arrangement of your furniture (product of pressure and volume). Just like how the overall ambiance of your living room depends on both heat and space, the enthalpy of a system represents the total energy content, combining the internal energy with the effect of pressure and volume.