where ∆𝐻 , , ∆𝐻 , -standard enthalpies of forma on of a product and a reactant, respec vely, kJ mol -1 . 𝑆 , (𝑆 ) -absolute standard entropies of a product and a reactant, respec vely, J mol -1 K -1 . 𝑛 -number of moles of a reactant and a product in the reac on equa on, mol. Equals to the coefficient in the reac on equa on. 𝑇absolute temperature, K.