How to calculate enthalpy change?

The calculation of enthalpy is possibly done in a very simple way, and it is because it makes it possible to find the right answer.

What is enthalpy?

Enthalpy is a thermodynamic function of an object's energy state. The thermodynamic action in a system is equal to the sum of the product of the internal energy of the system plus its volume and pressure acting on the system from the outside world.

How to calculate enthalpy in Excel?

However, the first thing you need is data that looks like this:

enthalpy data table

This is just an example data set which contains temperature and humidity values.

Click on an empty cell (1), and enter the formula =(C4*B4) + B5*(C5+C6*B6) (2).

Enthalpy calculator

Enthalpy change has been calculated.