ΔH formação

ΔH = Σ ΔH_p − Σ ΔH_r.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

ΔH
-135,00 kJ

Formula

ΔH_form

About this calculator

The formation enthalpy calculator is a useful tool for calculating the formation enthalpy of a chemical substance. The formation enthalpy is the energy released or absorbed during the formation of a substance from its components.

The formula used to calculate the formation enthalpy is ΔH = Σ ΔH_p − Σ ΔH_r, where ΔH_p is the formation enthalpy of each product and ΔH_r is the reaction enthalpy of each reactant.

This calculator is especially useful in cases where it is necessary to calculate the formation enthalpy of a chemical substance from its own chemical reactions. In addition, it is worth noting that the formation enthalpy may be influenced by factors such as temperature and pressure.

It is worth noting that the formation enthalpy is an important measure in chemistry, as it allows calculating the energy released or absorbed in a chemical reaction.

Frequently asked questions

What is formation enthalpy?

Formation enthalpy is the energy released or absorbed during the formation of a chemical substance from its components.

When should I use this calculator?

You should use this calculator when you need to calculate the formation enthalpy of a chemical substance from its own chemical reactions.

What factors influence formation enthalpy?

Formation enthalpy may be influenced by factors such as temperature and pressure.

What is reaction enthalpy?

Reaction enthalpy is the energy released or absorbed during a chemical reaction.

What is product enthalpy?

Product enthalpy is the energy released or absorbed during the formation of a chemical product.

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