Standard Enthalpy Calculator

Calculate Standard Enthalpy



Formula

The formula to calculate the Standard Enthalpy is:

\[ Es = \Delta H_p - \Delta H_r \]

Where:

What is Standard Enthalpy?

Standard Enthalpy is a measure of the total heat content in a chemical reaction at standard conditions. It is calculated by subtracting the sum of the change in enthalpy of the reactants from the change in enthalpy of the products. This value helps in understanding the energy changes that occur during chemical reactions.

Example Calculation 1

Let's assume the following values:

Using the formula:

\[ Es = 500 - 300 = 200 \, \text{J} \]

The Standard Enthalpy is 200 J.

Example Calculation 2

Let's assume the following values:

Using the formula:

\[ Es = 1000 - 800 = 200 \, \text{J} \]

The Standard Enthalpy is 200 J.